List of state highways in Tamil Nadu

State Highways in India are stretches with heavy traffic intensity of more than 10,000 Passenger Car Units (PCUs) but less than 30,000 PCUs which connects district headquarters, important towns and the National Highways in the state and neighboring states. The Construction & Maintenance wing of the Highways Department manages construction and maintenance of all the State Highways (SH), major district roads (MDR), and other district roads (ODR). The Tamil Nadu State Highways Network has eight circles: Chennai, Villupuram, Madurai, Salem, Tiruchirappalli, Coimbatore, Tiruppur and Tirunelveli.[1]

The state has a total of 286 state highways, 161 state highways urban (SH-U) stretches and 905 major district roads (MDRs), apart from other district roads (ODRs).[2]

List of State Highways

List of State highways in Tamil Nadu (as of March 2019).[3]

SH1 to SH50
Road Number OSM Relation Name of Road Division Length (in km) Remarks
SHN1 OSM Pollachi Eastern Bypass Road Pollachi 13.847 KM 0/0 to KM 3/3, KM 3/36 to KM 8/505 and KM 9/645 to KM 15/047
SHN2 OSM Tiruppur Ring Road Tiruppur 38.00
SH1 OSM Chennai - Ennore Expressway Road Tiruvallur 10.40 KM 8/0 to KM 18/4
SH1A OSM Manali Oil Refinary Road Tiruvallur 5.70
SH2 OSM Inner Ring Road Chennai City Roads 25.20
SH2A OSM Inner Ring Road (Southern Sector) Chennai City Roads 5.00
SH3 Chennai - Tiruvallur - Tiruttani - Renigunta Road 82.10 Upgraded as NH205
SH4 OSM Arcot - Villupuram Road Vellore, Cheyyar, Villupuram 110.219 KM 0/0 to KM 77/8, KM 79/181 to KM 110/2 and KM 113/2 to KM 114/6, section between Semmambadi - Chetpet upgraded into NH179D
SH4A OSM Sanipoondi - Kilpennathur - Avalurpet - Chetpet Road Tiruvannamalai, Villupuram 42.40
SH5 OSM Arcot - Tindivanam Road Vellore, Cheyyar, Villupuram 94.60 KM 0/0 to KM 81/9 and KM 82/0 to KM 94/4, 0.100 KMs missing between divisions
SH5A OSM Kancheepuram - Thiruvathipuram Road Cheyyar 17.20
SH6 OSM Kallakurichi - Tiruvannamalai Road Kallakurichi, Tiruvannamalai 63.60
SH6A OSM Tiruvannamalai - Thanipadi - Harur Road Tiruvannamalai, Dharmapuri 75.40
SH6B OSM Thandrampet - Kottakulam Road Tiruvannamalai 18.20
SH7 OSM Villupuram - Mambalapattu - Thirukoilur Road Villupuram, Kallakurichi 35.10 KM 40/7 to KM 75/8
SH8 OSM Vikravandi - Kumbakonam - Thanjavur Road Thanjavur 11.395 KM 121/8 to KM 129/4 (Kumbakkonam), KM 133/8 to KM 136/37 (Sundaraperumal Kovil), KM 148/3 to KM 148/925 (Ayyampettai) and KM 158/6 to KM 159/2 (Thanjavur), rest of the section Upgraded to old NH45C
SH9 OSM Cuddalore - Chittoor Road Cuddalore, Kallakurichi, Thiruvannamalai, Vellore 126.10 KM 0/0 to KM 38/4, KM 38/2 to KM 84/8, KM 84/7 to KM 114/0, KM 138/8 to KM 143/6 and KM 196/0 to KM 203/0, runs till Andhra Pradesh Border
SH9A OSM Tiruvannamalai - Thiyagadurgam Road Tiruvannamalai, Kallakurichi 51.04
SH10 Cuddalore - Vridhachalam - Chinnasalem Road 111.152 Upgraded as NH532
SH11 OSM Calicut - Nilambur - Gudalur Road Udhagai 6.20 KM 103/6 to KM 109/8, runs from Kerala Border
SH12 OSM Calicut - Vythiri - Gudalur Road Udhagai 38.00 KM 96/4 to KM 134/4, runs from Kerala Border
SH13 Coimbatore - Dindigul Road 158.00 Upgraded as NH209
SH14 Coimbatore - Satyamangalam - Hasanur 106.00 Upgraded as NH209
SH15 OSM Udhagamandalam - Kotagiri - Mettupalayam - Sathy - Gobi - Erode Road Udhagai, Coimbatore, Gopichettipalayam, Erode 160.426 KM 0/0 to KM 57/6, KM 58/0 to KM 100/8 and KM 101/6 to KM 161/626
SH15A OSM Cheyur to Erode-Sathy Road Tiruppur, Gopichettipalayam 29.60 KM 0/0 to KM 25/2 and KM 25/8 to KM 30/2
SH16 Krishnagiri - Varadhampalli - Kuppam Road 19.00 Upgraded as NH219
SH17 OSM Malur - Hosur - Adhiyamankottai Road Krishnagiri, Dharmapuri 91.70 KM 0/0 to KM 4/5 and KM 16/0 to KM 103/2, runs from Karnataka Border, Bagalur - Hosur - Adiyamankottai section upgraded as NH648 & NH844
SH17A OSM Hosur - Denkanikottai Road Krishnagiri 25.60
SH17B OSM Hosur - Thally - Denkanikottai Road Krishnagiri 42.20
SH17C OSM Bagalur - Berigai Road Krishnagiri 12.00
SH18 Salem - Harur - Tirupattur - Vaniyambadi Road 125.00 Upgraded as NH179A
SH18A OSM Tirupattur – Singarapet Road Vaniyambadi, Krishnagiri 29.60
SH19 OSM Avinashi - Tiruppur - Palladam - Pollachi - Meenkarai - Kochi Road Tirupur, Pollachi 85.325 KM 13/8 to KM 76/875 and KM 77/35 to KM 99/6, KM 0/0 to KM 13/8 upgraded as NH381, runs till Kerela Border
SH19A OSM Tiruppur - Vijayamangalam Road Tiruppur, Erode 25.20
SH20 OSM Mayapuram - Central Busstand (Bhavani Road Via Agraharam urban stretch) Erode 8.984 The entire stretch of KM 0/0 to KM 93/984 has been declared as NH544H. While the improvement works are carried out by NHAI from KM 0/0 to KM 85/0, the section from KM 85/0 to KM 93/984 urban stretch is still maintained by the SH department.
SH20A OSM Mettur - Palar Road Edappadi 29.40 runs till Karnataka Border
SH21 OSM Pollachi - Dharapuram - Karur Road Pollachi, Dharapuram, Karur 114.27 KM 0/0 to KM 52/6, KM 56/4 to KM 118/07
SH22 OSM Grand Anaicut - Kaveripattinam Road Thanjavur, Mayiladuthurai 124.80 KM 0/0 to KM 33/0 and KM 33/4 to KM 125/2
SH23 OSM Mayiladuthurai - Thiruthuraipoondi Road Mayiladuthurai, Tiruvarur 68.40
SH24 Trichy - Chidambaram Road 135.40 Upgraded as NH227
SH25 OSM Trichy - Namakkal Road Trichy, Namakkal 77.40 KM 0/0 to KM 77/4 upgraded as NH381B
SH26 OSM Trichy - Pudukkottai - Aranthangi - Mimisal Road Trichy, Pudukkottai 70.095 KM 0/0 to KM 1/6, KM 50/735 to KM 84/145 and KM 84/835 to KM 119/920, KM 1/6 to KM 50/735 upgraded as NH210
SH27 OSM Perambalur - Manamadurai Road Ariyalur, Thanjavur 16.19 KM 24/37 to KM 29/21 (Ariyalur), KM 64/85 to KM 71/2 (Thanjavur) and KM 72/2 to KM 77/2 (Thanjavur)
SH28 Thirumayam - Karaikkudi - Devakottai - Devipattinam Road 97.70 Upgraded as NH210
SH29 OSM Thanjavur - Pattukkottai - Aranthangi - Karaikudi - Paramakudi - Sayalkudi Road Thanjavur, Pudukkottai, Sivagangai, Ramnad 241.024 KM 0/0 to KM 123/771, KM 130/771 to KM 164/356 and KM 164/556 to KM 248/224
SH30 OSM Musiri - Thuraiyur - Attur Road Trichy, Salem 91.20
SH31 Karur - Gudalur - Mysore Road 287.00 Upgraded as NH67 Extension
SH32 OSM Madurai - Tuticorin Road Madurai, Tuticorin 19.60 KM 0/0 to KM 11/0 (Madurai), KM 90/8 to KM 92/6 (Ettayapuram) and KM 126/4 to KM 133/2 (Tuticorin), rest of the sections upgraded as NH45B
SH33 OSM Madurai - Thondi Road Madurai 19.20
SH34 OSM Ramanathapuram - Nainarkoil - Andakudi - Elayankudi - Sivagangai - Melur Road Ramnad, Sivagangai, Madurai 98.096 KM 0/0 to KM 41/8, KM 43/8 to KM 74/072, KM 76/072 to KM 89/896 and KM 90/8 to KM 103/0
SH34A OSM Uppoor - Kottaiyur Road Ramnad, Sivagangai 36.80
SH35 OSM Dindigul - Natham - Singampunari - Thiruppathur - Karaikudi Road Madurai, Sivagangai 50.40 KM 45/6 to KM 51/6, KM 53/0 to KM 81/8, KM 82/2 to KM 97/2 and KM 101/8 to KM 102/4, KM 0/0 to KM 102/4 upgraded as NH383
SH36 Dindigul - Vathalagundu - Periyakulam - Theni - Cumbum - Kumuli Road 133.50 Upgraded as NH45 Extension
SH37 OSM Mettur - Oddanchatram - Dharapuram - Tirupur Road Dindigul, Palani, Dharapuram, Tirupur 103.00 KM 0/0 to KM 32/0 and KM 37/4 to KM 108/4, KM 108/4 to KM 126/2 upgraded as NH381
SH38 OSM Aruppukottai - Perunali - Sayalkudi - Kadugusandai - Mariyur - Valinokkam Road Virudhunagar, Ramnad 73.46 KM 0/0 to KM 52/4 and KM 58/2 to KM 79/26, KM 52/4 to KM 58/2 upgraded as NH32
SH39 OSM Tirunelveli - Shencottai - Kollam Road Tirunelveli, Tenkasi 56.135 KM 0/0 to KM 2/0 and KM 2/865 to KM 57/0
SH39A OSM Shencottai - Surandai - Pavoorchatram Road Tenkasi 31.20
SH39B OSM Athiyuthu - Surandai - Sendamaram Road Tenkasi 22.87
SH40 OSM Tiruchendur - Palayamkottai - Ambasamudram - Tenkasi - Courtalam - Shencottai Road Tuticorin, Tirunelveli, Tenkasi 134.20
SH40A OSM Kadayam - Mukkudal Road Tirunelveli 28.00
SH40B OSM Ambasamudram - Alangulam Road Tirunelveli 20.40
SH41 OSM Rajapalayam - Sankarankovil - Tirunelveli Road Virudhunagar, Tenkasi, Tirunelveli 85.73
SH41A OSM Tirunelveli - Pottalpudur Road Tirunelveli 36.60 begins at the end of an ODR
SH42 OSM Srivilliputhur - Sivakasi - Virudhunagar - Aruppukottai - Narikudi - Parthibanur Road Virudhunagar, Ramanad 109.26
SH43 OSM Tenkasi - Panpozhi - Thirumalaikovil Road Tenkasi 14.00
SH44 OSM Paruvakudi - Kovilpatti - Ettayapuram - Vilathikulam - Vembar Road Tenkasi, Tuticorin 91.80
SH45 OSM Aralvaimozhi - Nedumangadu Road Nagercoil 48.90 runs till Kerela Border
SH46 OSM Aralvaimozhi - Nagercoil - Rajakkamangalam - Colachel Road Nagercoil 9.40 KM 18/8 to KM 28/2, runs between Nagercoil and Rajakkamangalam.
SH47 OSM Parthibanur - Kamuthi - Aruppukottai Road Ramnad 41.65
SH48 OSM Marmalong Bridge - Irumbuliyur - Vandalur - Mudichur - Oragadam - Walajabad Road Chennai City Roads, Chengalpattu 49.60 KM 5/0 to KM 21/2 and KM 30/4 to KM 63/8
SH48A OSM Mount - Medavakkam Road Chennai City Roads 9.10
SH48B OSM Taramani Link Road Chennai City Roads 3.63
SH48C OSM Velachery Bypass Road Chennai City Roads 1.90
SH49 OSM East Coast Road (Thiruvanmiyur - Mahabalipuram - Marakkanam - Pondicherry Road) Chennai City Roads, Chengalpattu, Villupuram 134.20 KM 11/8 to KM 112/0 and KM 100/8 to KM 134/8. KM 57/0 to KM 68/8 to KM 11/0 and KM 100/8 to KM 134/8 upgraded as NH332A.
SH49A OSM Rajiv Gandhi Road (Chennai - Thiruporur - Mahabalipuram Road) Chennai City Roads, Chengalpattu 43.70 KM 13/3 to KM 55/6 and KM 57/0 to KM 58/4
SH49B OSM Medavakkam - Sholinganallur - Kudimiyandi Thoppu Road Chennai City Roads 6.70
SH49B OSM Thirukalukundram - Mamallapuram Road Chengalpattu 13.20
SH50 OSM Thirumazhisai - Thiruvallur - Uthukottai Road Tiruvallur 46.00
SH50A OSM Korattur – Thinnanur – Periyapalayam Road Tiruvallur 28.73
SH50B OSM Thandalam - Perambakkam - Thakkolam - Arugilpadi Road Chengalpattu, Tiruvallur, Vellore 39.40

SH51 to SH100
Road Number OSM Relation Name of Road Division Length (in km) Remarks
SH51 OSM Korathalaiyar Bridge - Puthur Road Tiruvallur 32.29 runs till Andhra Pradesh Border, Upgraded as NH716A
SH52 OSM Kavarapettai – Sathiyavedu Road Tiruvallur 20.082 runs till Andhra Pradesh Border
SH53 OSM Nagari – Pallipattu Road Tiruvallur 12.40 runs between Andhra Pradesh Borders
SH54 OSM Chittoor - Tiruttani Road Vellore, Tiruvallur 48.935 begins from Andhra Pradesh Border
SH55 OSM Mount - Poonamallee - Avadi Road Tiruvallur 20.20 KM 0/0 to KM 10/8 and KM 11/4 to KM 20/8
SH56 OSM Thiruvottriyur – Ponneri – Panchetty Road Tiruvallur 27.80
SH57 OSM Singaperumalkoil - Sriperumbudur - Thiruvallur - Red Hills Road Chengalpattu, Tiruvallur 76.00 KM 0/0 to 24/6, KM 25/925 to KM 40/325 and KM 40/4 to KM 77/4
SH58 OSM Sadras - Chengalpattu - Kanchipuram - Arakkonam - Tiruthani Road Chengalpattu, Vellore, Tiruvallur 105.85 KM 0/0 to KM 27/2, KM 28/8 to KM 107/45, Chengalpattu - Kanchipuram section upgraded into NH132B
SH58A OSM Kancheepuram - Surappan Road Chengalpattu 5.40 KM 66/8 to KM 72/2
SH59 OSM Tiruvalam - Katpadi - Venkatagirikottah Road Vellore 13.40 KM0/0 to KM 13/4, KM 13/4 to KM 69/0 upgraded as NH234
SH60 OSM Hogenakkal – Pennagaram – Dharmapuri – Tirupattur Road Dharmapuri, Krishnagiri, Vaniyambadi 108.20 KM 0/0 to KM 90/8 and KM 90/75 to KM 108/2
SH60A OSM Dharmapuri - Morappur - Harur Road Dharmapuri 37.60
SH61 OSM Walajah - Sholinghur - Arakkonam Road Vellore 51.10
SH61A OSM Ranipet - Sholinghur Road Vellore 10.60
SH62 OSM Trichy - Thuraiyur Road Trichy 32.125
SH63 OSM Thanjavur - Mannargudi - Thiruthuraipoondi - Vedaranyam - Kodiyakkarai Road Thanjavur, Thiruvarur, Nagapattinam 106.80
SH64 OSM Kumbakonam - Sirkali Road Thanjavur, Mayiladuthurai 53.35 upgraded as NH136B
SH65 OSM Tiruvarur - Kodavasal - Kumbakonam Road Tiruvarur, Thanjavur 37.20
SH66 OSM Kumbakonam - Mannargudi - Adhirampattinam Road Thanjavur, Thiruvarur 75.20
SH67 OSM Nagore - Nannilam - Nachiyarkoil Road Nagapattinam, Tiruvarur, Thanjavur 46.95
SH68 OSM Cuddalore - Thirukoilur - Sankarapuram Road Cuddalore, Kallakurichi 94.909 KM 0/0 to KM 23/188, KM 25/381 to KM 64/597 and KM 69/547 to KM 102/052
SH69 OSM Virudhachalam - Ulundurpet - Villupuram Road Cuddalore, Kallakurichi, Villupuram 59.60 KM 0/0 to KM 50/4 and KM 50/6 to KM 59/8
SH70 OSM Virudhachalam - Portonovo Road Cuddalore 42.60 KM 0/0 to KM 36/8 and KM 45/0 to KM 50/8
SH71 OSM Musiri - Kulithalai - Pudukkottai - Alangudy - Paeravorani - Sethubavachathiram Road Trichy, Karur, Pudukkottai, Thanjavur 150.69 KM 0/0 to KM 39/05, KM 40/34 to KM 55/8, KM 55/85 to KM 97/59 and KM 101/96 to KM 156/4.
SH71A OSM Manapparai - Thuvarankurichy Road Trichy 28.00
SH72 OSM Madurai - Natham Road Madurai 20.20 KM 0/0 to KM 20/20, KM 0/0 to KM 20/20 and KM 20/0 to KM 38/485 upgraded as NH785.
SH72A OSM Madurai - Alagarkoil - Melur Road Madurai 33.335
SH72B OSM Avaniapuram Bypass Road Madurai 2.40
SH73 OSM Thirumangalam - Pallapatti - Silukkuvarpatti Road Madurai, Dindigul 42.13
SH73A OSM Thirumangalam - Usilampatti Road Madurai 26.00
SH73A OSM Madurai - Melakkal - Samayanallur Road Madurai 18.59
SH74 OSM Dindigul - Gujiliamparai - Karur Road Dindigul, Palani, Karur 70.25
SH75 OSM Palayamkottai - Ottapidaram - Vilathikulam - Pandalkudi - Aruppukkottai Road Tirunelveli, Tuticorin, Virudhunagar 108.58 KM 0/0 to KM 63/6 and KM 64/4 to KM 109/38
SH75A OSM Tirunelveli Bypass Road Tirunelveli 7.60
SH76 OSM Puliangudi - Sankarankovil - Kalugumalai - Nalatinpudur Road Tenkasi, Tuticorin 49.815
SH77 Kovilpatti - Ottapidaram - Puducottai - Eral - Mukkani Road 76.85 Downgraded as MDR1047
SH78 OSM Pollachi - Valparai Road Pollachi 64.00
SH78A OSM Pollachi - Palakkad Road Pollachi 15.80 runs till Kerela Border
SH79 OSM Mallikkarai - Rasipuram - Thiruchengode - Erode Road Salem, Namakkal, Erode 98.86
SH79A OSM Sankari - Pallipalayam Road Edappadi, Namakkal 15.70 Upgraded as a part of NH381A
SH80 OSM Avinashi - Mettupalayam Road Tirupur, Coimbatore 38.20
SH81 OSM Gobi - Uthukuli - Padiyur Road Gopichettipalayam, Tirupur 46.60
SH82 OSM Sathy - Athani - Bhavani Road Gopichettipalayam, Erode 52.80
SH83 OSM Palani - Dharapuram Road Palani, Dharapuram 30.89
SH83A OSM Erode - Dharapuram Road Erode, Tiruppur, Dharapuram 77.80 KM 0/0 to KM 74/65 and KM 77/05 to KM 80/20.
SH84 OSM Erode - Karur Road Erode, Karur 61.192 a small section near Erode is upgraded as NH381A
SH84A OSM Erode - Muthur - Vellakovil - Mulanur Road Erode, Dharapuram 61.60 Erode - Vellakovil section upgraded as NH381A
SH85 OSM Rayakottai - Athipalli Road Krishnagiri 39.80 runs till Karnataka Border
SH86 OSM Omalur - Sankari - Thiruchengodu - Paramathi Road Edappadi, Namakkal 81.00
SH86A OSM Thiruchengode - Ariyanur Road Namakkal, Salem 32.80
SH87 OSM Udumalpet - Palladam Road Dharapuram, Tiruppur 45.20
SH88 OSM Chittoor - Gudiyattam Road Vaniyambadi 20.20 begins from Andhra Pradesh Border
SH89 OSM Nanguneri - Bharathar Uvari Road Tirunelveli 36.034
SH90 OSM Marthandam - Pechiparai Road Nagercoil 20.70
SH91 OSM Paraseri - Monday Market - Puthukadai Road Nagercoil 24.30 KM 0/0 to KM 15/8 and KM 17/2 to KM 25/7
SH92 OSM Nanguneri - Eruvadi - Valliyoor - Vijayapathy Road Tirunelveli 41.66
SH93 OSM Alwarthirunagari - Nazerath - Sathankulam - Ittamozhi - Valliyoor Road Tuticorin, Tirunelveli 60.24
SH94 OSM Tiruchengode - Namakkal Road Namakkal 30.88
SH95 OSM Mohanur - Namakkal - Sendamangalam - Rasipuram Road Namakkal 53.515 KM 0/0 to KM 18/8 and KM 19/285 to KM 54/0
SH96 OSM Erode - Perunthurai - Kangayam Road Erode, Tiruppur 51.233 KM 0/0 to KM 18/837 and KM 19/164 to KM 51/56
SH97 OSM Udumalpet - Dharapuram Road Dharapuram 36.348
SH98 OSM Gudalur - Sulthan Bathery Road Udhagai 27.40
SH99 OSM Thirukattupalli - Sengipatti - Pattukottai Road Thanjavur, Pudukkottai 69.519 KM 0/0 to KM 15/55, KM 17/2 to KM 35/2, KM 35/4 to KM 51/2 and KM 51/231 to KM 71/4.
SH99A OSM Thanjavur - Vallam Road Thanjavur 10.60
SH100 OSM Uthamapalayam - Bodinaickanur Road Theni 31.80

SH 101 to SH 150
Road Number OSM Relation Name of Road Division Length (in km) Remarks
SH101 OSM Devathanapatti - Varusanadu Road Theni 58.00
SH102 OSM Uthamapalayam - surulipatty Road Theni 20.00
SH103 Tiruvanmiyur - Muttukadu Road 19.20 Merged into SH49
SH104 OSM Chennai – Pulicut Road Tiruvallur 26.20
SH105 Kanakammachattiram - Thakkolam Road 18.45 Downgraded as MDR1049
SH106 OSM Thiruttani - Podatturpet - Pallipet Road Tiruvallur 27.082
SH107 Minjur – Kattur – Thirupalaivanam Road 17.20 Downgraded as MDR1041
SH108 OSM R.K.Pettai – Pallipattu Road Tiruvallur 19.60
SH109 OSM Pallavaram - Thoraipakkam Road Chennai City Roads 10.62
SH110 OSM Tambaram - Mudichur - Sriperumbudur Road Chennai City Roads, Chengalpattu 23.50 KM 0/0 to KM 7/5 runs through Mudichur, KM 7/5 to KM 23/5 section begins from KM 4/10 of the previous section.
SH110A OSM Medavakkam - Mambakkam - Sembakkam Road Chennai City Roads, Chengalpattu 26.80
SH111 OSM Madhavaram - Red Hills Road Tiruvallur 9.60
SH112 OSM Thirumangalam – Mogappair Road Tiruvallur 2.325
SH113 OSM Kodambakkam – Sriperumbudur Road Tiruvallur, Chengalpattu 28.80
SH113A OSM Poonamallee - Kundrathur - Pallavaram Road Chennai City Roads, Tiruvallur, Chengalpattu 12.00
SH114 OSM Chennai - Ennore Road Tiruvallur 10.40 KM 8/0 to KM 18/4
SH115 OSM Cheyyur - Vandavasi - Polur Road Chengalpattu, Cheyyar, Thiruvannamalai 105.00
SH116 OSM Kancheepuram - Vandavasi Road Chengalpattu, Cheyyar 39.80
SH116A OSM Pudupadi - Iluppai - Vadailuppai - Vishar - Kanchipuram Road Vellore, Cheyyar, Chengalpattu 37.60 road terminates away from SH116
SH117 OSM Maduranthagam - Vennangupattu Road Chengalpattu 37.60
SH118 OSM Bukkathurai - Uthiramerur Road Chengalpattu 31.80
SH118A OSM Uthiramerur - Kancheepuram Road Chengalpattu 26.40
SH119 Km.11/8 of SCKAT Road - Vitalapuram - Pudupattinam Road 17.40 KM 0/0 to KM 17/0 and KM 18/4 - KM 18/8, downgraded as MDR1042
SH120 OSM Walajabad - Sunguvarchathiram - Keelachery Road Chengalpattu, Tiruvallur 27.60 KM 0/0 to KM 18/4 and KM 21/7 to KM 30/9, chainage difference between divisions
SH121 OSM Vandalur - Mambakkam - Kelambakkam Road Chengalpattu 18.60
SH122 OSM Abdullapuram - Asanampattu - Alangayam - Thirupathur Road Vellore, Vaniyambadi 79.50
SH123 OSM Kalavai - Vazhapandal Road Vellore 21.20 runs till Ranipet district border
SH124 OSM Ponnai - Thiruvalam Road Vellore 16.40
SH124A OSM Ranipet - Ponnai Road Vellore 21.60
SH125 OSM Panamadangi - Poosarivalasai - Paradharami Road Vellore, Vaniyambadi 19.60
SH126 OSM Arakkonam - Ocheri Road Vellore 32.00
SH127 OSM Pallikonda - Palamaneri Road Vaniyambadi, Vellore 28.80 runs till Andhra Pradesh Border
SH128 OSM Sholinghur - Kaveripakkam Road Vellore 30.00 runs till Ranipet District Border
SH129 OSM Arcot - Kannamangalam Road Vellore 25.40
SH130 OSM Gudiyatham - Gadambur - Kailasagiri - Vaniyambadi Road Vaniyambadi 42.00 from KM 42/0 its unclassified
SH130A OSM Ambur - Sathgur Road Vaniyambadi 19.80
SH131 OSM Bargur - Tirupattur Road Krishnagiri, Vaniyambadi 24.20
SH132 OSM Kannamangalam - Arni Road Cheyyar 17.20
SH133 OSM Polur - Chengam Road Tiruvannamalai 47.00
SH133A OSM Tiruvannamalai - Avalurpet Road Tiruvannamalai 22.80
SH134 OSM Tindivanam - Marakkanam Road Villupuram 34.00
SH135 OSM Villupuram - Tiruvannamalai Road Tiruvannamalai 2.00 KM 52/4 to KM 54/4
SH136 OSM Vellemedupettai - Mailam - Pondy Road Villupuram 48.20
SH137 OSM Thirukoilur - Asanur Road Kallakurichi 39.30
SH138 OSM Jail Hill - Vellakarai - Kumalangulam Road Cuddalore 19.20
SH139 OSM Ariyalur - Muthuvancheri - Sripuranthan Road Ariyalur 35.20
SH140 OSM Virudhachalam - Jayankondam - Madhanathur Road Cuddalore, Ariyalur 48.80 From Thanjavur District Border its MDR
SH141 OSM Virudhachalam - Tholudur Road Cuddalore 44.40
SH142 OSM Thuraiyur - Perambalur Road Trichy, Perambalur 39.40
SH143 OSM Mathur - Thittakudi Road Perambalur 26.00 SH till KM 26/0, from Cuddalore District border its unclassified
SH144 OSM Kodukkur - Kaduvetti Road Ariyalur 30.20
SH145 OSM Aranthangi - Kattumavadi Road Pudukkottai 25.80
SH146 OSM Mannargudi - Pattukkottai - Sethubhavachatram Road Tiruvarur, Thanjavur 51.40
SH147 OSM Kumbakonam - Karaikal Road Thanjavur, Mayiladuthurai, Tiruvarur 42.20 runs till Puducherry Border
SH148 OSM Nagore - Vettar Road Nagapattinam, Tiruvarur 23.00
SH149 OSM Sembanarkoil - Nalladai Road Mayiladuthurai 11.90 runs till Puducherry Border
SH150 OSM Vaitheeswarankoil - Lower Anaicut Road Mayiladuthurai, Thanjavur 32.25

SH151 to SH200
Road Number OSM Relation Name of Road Division Length (in km) Remarks
SH151 Kilvelur - Katchanam Road 20.40 Downgraded as MDR1043
SH152 OSM Vadamadurai - Oddanchatram Road Palani 42.80
SH153 OSM Palani - Alangiyam - Dharapuram Road Palani, Dharapuram 32.68
SH154 OSM Vathalakundu - Peraiyur - Kariyapatti - Thiruchuli - Kamuthi - Sayalkudi Road Dindigul, Madurai, Virudhunagar, Ramnad 161.508
SH155 OSM Ammaianaikanur - Vathalagundu Road Dindigul 18.00
SH156 OSM Kodai Ghat Road Dindigul 56.80
SH157 OSM Attur - Perambalur Road Perambalur 3.40 KM 49/6 to KM 53/0, KM 0/0 to KM 49/6 upgraded as NH136
SH158 OSM Mettur Thermal Power Plant Edappadi 5.40
SH159 OSM Pallapatti - Suramangalam Road Salem 2.20
SH160 Ayothiyapattinam - Belur - Kilakkadu Road 54.60 Downgraded as MDR1044
SH161 OSM Namakkal - Kannanur Road Namakkal, Trichy 45.428
SH162 OSM North Coimbatore - Ramanathapuram - Chettipalayam Road Coimbatore 18.91
SH163 OSM Palladam - Kochi Road Tiruppur, Pollachi 54.40
SH164 OSM Coimbatore - Anaikatti Road Coimbatore 29.00 runs till Kerela Border
SH165 OSM Kamanaikenpalayam - Annur Road Tiruppur, Coimbatore 38.62
SH166 OSM Palladam - Avinashi - Puliyampatti Road Tiruppur, Gopichettipalayam 44.30
SH167 OSM North Coimbatore - Maruthamalai Road Coimbatore 11.18
SH168 OSM Karamadai - Kariyampalayam Road Coimbatore 15.20
SH169 OSM Tiruppur - Somanur Road Tiruppur 19.00
SH170 OSM Neelipalayam - Sirumugai Road Coimbatore 17.80
SH171 OSM Kovilvazhi - Karapalayam Road Tiruppur 17.40
SH172 OSM Tiruppur - Kangayam Road Tiruppur 26.40
SH173 OSM Erode - Thingalur Road Erode 26.00 begins from a tertiary road
SH174 Tiruppur - Dharapuram Road 44.80 Merged into SH37
SH174A OSM Palladam - Dharapuram Road Tiruppur, Dharapuram 29.40
SH175 OSM Bhavani - Anthiyur - Chellampalayam Road Erode 18.00
SH176 OSM Thoothukudi - Tiruchendur - Kanyakumari Road Thoothukudi, Tirunelveli 119.71
SH177 OSM Cheranmahadevi - Panagudi Road Tirunelveli 43.40
SH178 OSM Ambasamudram - Papanasam - Upper Dam Road Tirunelveli 23.00
SH179 OSM Kanniyakumari - Pazhaya Uchakada Road Nagercoil 71.522 runs till Kerela Border
SH180 OSM Colachel - Thiruvattar Road Nagercoil 23.90
SH181 OSM Marthandam - Panachamoodu Road Nagercoil 14.10 runs till Kerela Border
SH182 OSM Watrap - Alagapuri - Virudhunagar Road Virudhunagar 37.40
SH182 OSM Perambalur Bypass Road Perambalur 3.875 KM 5/2 to KM 9/075
SH183 OSM Sivakasi - Alangulam Road Virudhunagar 15.05
SH184 OSM Virudhunagar - Krishnapuram Road Virudhunagar 23.23
SH185 Viswanatham - Venkatachalapuram Road 16.195 Downgraded as MDR1048
SH186 OSM Rajapalayam - Vembakottai Road Virudhunagar 29.60
SH187 OSM Sattur - Sivakasi - Kalugumalai Road Virudhunagar 38.40 SH till Tenkasi district border, from there its MDR
SH188 OSM Salem Junction - Yercaud Road Salem 30.60
SH189 OSM Kangayam - Kodumudi Road Tiruppur, Dharapuram, Erode 36.20
SH190 OSM Karumandampalayam - Malayampalayam - Thamaraipalayam - Salaipudur Road Erode 17.45
SH191 OSM Melur - Thiruppathur Road Madurai, Sivagangai 31.60 KM 0/0 to KM 31/6 upgraded as NH338
SH191A OSM Kummangudi - Pillaiyarpatti - Koviloor Road Sivagangai 13.975
SH192 OSM Thalaiyuthu - Kallimandayam - Edayakottai Road Palani 55.40
SH193 OSM Thadikombu - Pallapatti - Aravakurichi Road Palani, Karur 46.80
SH194 OSM Nagercoil - Thuvarankadu Road Nagercoil 8.90
SH195 OSM Madurai - Viradanur - Valayankulam Road Madurai 22.60
SH196 OSM Tiruppur - Perumanallur - Kunnathur - Perunthurai Road Tiruppur, Erode 40.80
SH197 OSM Vellakovil - Akkaraipalayam - Mulanur Road Sharapuram 24.60
SH198 OSM Komarapalayam - Pallipalayam - Jedarpalayam - Pandamangalam - Velur Road Namakkal 66.50 section of road near Pallipalayam upgraded as NH381A
SH199 OSM Vaiyampatty - Tharagampatti - Uppidamangalam - Karur Road Trichy, Karur 53.64
SH200 OSM Nagore - Muthupet - Adhirampattinam - Mimisal - Ramanathapuram - Tuticorin Road Nagapattinam, Tiruvarur, Thanjavur, Pudukkottai, Sivagangai, Ramanad, Tuticorin 320.462 KM 8/0 to KM 115/8, 115/770 to KM 204/37, KM 213/97 to KM 289/17 and KM 289/2 to KM 338/062 (Entire SH Upgraded as NH32)

SH201 to SH234
Road Number OSM Relation Name of Road Division Length (in km) Remarks
SH201 OSM Namanasamudram - Ponnamaravathi Road Pudukkottai 33.30 KM 9/4 to KM 42/7, from Sivagangai District Border its MDR
SH202 OSM Tiruvarur - Mannargudi - Muthupet Road Tiruvarur 60.00
SH203 OSM Mundiyampakkam - Pondicherry Road Villupuram 21.25
SH204 OSM Kallakurichi - Koothakudi Road Kallakurichi 24.80
SH205 OSM Vanagaram - Ambathur - Puzhal Road Tiruvallur 14.60
SH206 OSM Poonamallee - Pattabiram Road Tiruvallur 11.60
SH207 OSM Vellore - Ussoor Road Vellore 8.00
SH208 OSM Hosur Inner Ring Road Krishnagiri 8.85 Section of the road upgraded as NH844
SH209 OSM Kumbakonam Bypass Road Thanjavur 6.30 section of the road upgraded to NH136B
SH210 OSM Sirkali Bypass Road Mayiladuthurai 1.015 KM 6/6 to KM 7/615 (Upgraded as NH 136B)
SH211 OSM Thirukoilur Bypass Road Kallakurichi 4.391 KM 0/004 to KM 4/395
SH212 Chidambaram South Bypass 7.28 Upgraded as part of NH45A
SH213 OSM Virudhachalam Bypass Road Cuddalore 9.153
SH214 OSM Chidambaram Bypass Link Road Cuddalore 1.904
SH215 OSM Polur - Jamunamarathur - Alangayam - Vaniyambadi Road Thiruvannamalai , Vanuyambadi 81.60
SH215 OSM Villupuram - Pondy - Mayiladuthurai - Nagapattinam Road (Old NH45A) Cuddalore 16.60 KM 96/6 to KM 17/2 and KM 109/6 to KM 115/6
SH216 OSM Solathiram - Srimushnam Road Cuddalore 20.00
SH217 OSM Ariyalur - Sendurai - Jayankondam Road Ariyalur 44.00
SH218 OSM Salem - Omalur Road Salem 3.60 road got extended due to new flyover
SH219 OSM Jagir Ammapalayam - Tharamangalam Road Salem, Edappadi 18.50
SH219A OSM Tharamangalam - Jalagandapuram Road Edappadi 10.00
SH220 OSM Sankari - Edappadi - Mecheri Road Edappadi 44.61
SH220A OSM Edappadi - Poolampatty - Mettur Road Edappadi 25.935
SH220B OSM Edappadi - Nedunkulam - Koneripatti - Anandampalayam Road Edappadi, Erode 14.77 Koneripatti Barrage across River Kaveri is not included as SH.
SH221 OSM Magudanchavadi - Edappadi - Komarapalayam Road Edappadi, Namakkal 44.66 KM 0/0 to KM 42/06 and KM 40/8 to KM 43/4
SH222 OSM Omalur - Mecheri - Perumpalai - Pennagaram Road Edappadi, Dharmapuri 58.08
SH223 OSM Tharamangalam - Nangavalli - Kunjandiyur Road Edappadi 19.60
SH224 OSM Palacode - Nagadasampatti Road Dharmapuri 21.00
SH225 OSM Krishnagiri - Rayakottai Road Krishnagiri 30.80
SH226 OSM Krishnagiri - Berigai Road Krishnagiri 40.60
SH227 OSM Theni - Venkatachalapuram - Chinnamanur Road Theni 28.82
SH228 OSM Koduvillarpatti - S.Alagapuri - Seelyampatti Road Theni 23.255
SH229 OSM Uthamapalayam - Bodenthirapuram Road Theni 24.40
SH230 OSM Vellore Old Bypass Road Vellore 1.20
SH231 OSM Hill Round Road Tiruvannamalai 5.20
SH232 OSM Valapadi - Belur Road Salem 6.40
SH233 OSM Sitra - Kurumbapalayam Road Coimbatore 8.61
SH234 OSM Outer Ring Road Chengalpattu, Tiruvallur 60.950 KM 0/0 to KM 18/8 and KM 18/0 to KM 60/150.
Total 11006.698

List of State Highways Urban

List of State Highways Urban Stretches in Tamil Nadu (as of March 2019).

SHU to SHU50
Number OSM Relation Name of Road Division Length in km Remarks
SHU OSM Chennai - Tiruthani - Renigunta Road (Old NH205) Tiruvallur 18.786 KM 17/894 to KM 18/869 (Lakshmipuram), KM 19/578 to KM 21/193 (Arkot Kuppam), KM 24/09 to KM 25/51 (Kanakammachathram), KM 29/5 to KM 29/93 (Ramanchery), KM 37/392 to KM 38/235 (Pattaraiperumpudur), KM 43/577 to KM 43/85 (Tirupachur), KM 44/3 to KM 50/49, KM 50/94 to KM 51/91, KM 52/35 to KM 55/21 and KM 56/025 to KM 59/235, as of Mar-19 last four sections are part of NH716
SHU OSM Arni Bypass Road Cheyyar 5.314
SHU OSM Thiruvathipuram Bypass Road Cheyyar 3.00
SHU OSM Mettur High Level Link Bridge Edappadi 0.70
SHU OSM Dindigul - Vathalagundu - Theni (Old NH45) Dindigul 5.220 KM 0/0 to KM 5/22 (Vathalagundu)
SHU OSM Cochin – Madurai - Dhanushkodi Road (Old NH49) Ramnad 8.65 KM 0/0 to KM 8/65 (Ramanadhapuram)
SHU3 OSM Chennai - Chittoor - Bangalore Road (Old NH4) Tiruvallur, Chengalpattu 10.34 KM 17/9 to KM 22/6 (Poonamallee), KM 39/39 to KM 41/74 (Sriperumbudur), KM 0/0 to KM 1/49 (Baluchetty) and KM 82/6 to KM 84/4 (Thamal)
SHU4 OSM Varanasi - Kanniyakumari Road (Old NH7) Karur 1.60 KM 330/0 to KM 331/6 (Aravakurichi)
SHU5 OSM Bhavani - Komarapalayam Road Erode 0.60 KM 1/8 to KM 2/4 (section of the road upgraded as NH544H)
SHU6 OSM Chennai - Trichy - Dindugal Road (Old NH45) Chengalpattu 7.20 KM 54/4 to KM 61/6 (Chengalpattu)
SHU7 OSM Chennai - Trichy - Dindugal Road (Old NH45) Chengalpattu 1.80 KM 80/4 to KM 82/2 (Mathuranthagam)
SHU8 OSM Chennai - Trichy - Dindugal Road (Old NH45) Chengalpattu 0.90 KM 91/65 to KM 92/55 (Melmaruvathur)
SHU9 OSM Chennai - Trichy - Dindigul Road (Old NH45) Trichy 11.40 KM 311/4 to KM 314/0 (Trichy) and KM 313/2 to KM 322/0 (Trichy)
SHU10 OSM Chennai - Trichy - Dindugal Road (Old NH45) Palani, Dindigul 6.355 KM 395/925 to KM 396/435 (Ayyalur), KM 403/4 to KM 405/075 (Vadamadurai) and KM 417/25 to KM 421/42 (Dindigul)
SHU11 OSM Chinthamani Bypass Road Trichy 1.40
SHU13 OSM Collector Bungalow - Adivaram Road Salem 0.80 KM 10/2 to KM 11/0
SHU14 OSM Old Bangalore - Salem - Madurai Road Dharmapuri 2.40 KM 135/8 to KM 136/4 and KM 136/6 to KM 138/4 (Dharmapuri)
SHU15 OSM Grand Northern Trunk Road (Old NH5) Tiruvallur 5.10 KM 16/8 to KM 18/8 (Red Hills) and KM 22/6 to KM 25/7 (Karanodai)
SHU17 OSM Grand Northern Trunk Road (Old NH5) Tiruvallur 4.60 KM 42/0 to KM 46/6 (Gummidipoondi)
SHU18 OSM Hasthampatty - Cherry Road Salem 2.39
SHU19 OSM Varanasi - Kanniyakumari Road (Old NH7) Krishnagiri 2.20 KM 39/4 to KM 41/6 (Hosur), Section of the road upgraded as NH844
SHU20 OSM Varanasi - Kanniyakumari Road (Old NH7) Dharmapuri 3.38 KM 114/930 to KM 118/310 (Karimangalam)
SHU21 OSM Karuppur Branch Road Edappadi 0.40 approximate road chosen
SHU22 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Namakkal 3.46 KM 0/0 to KM 3/46 (Komarapalayam)
SHU23 OSM Krishnagiri - Ranipet Road (Old NH46) Krishnagiri 1.253 KM 0/0 to KM 1/253 (Krishnagiri)
SHU24 OSM Krishnagiri - Ranipet Road (Old NH46) Vellore 16.86 KM 115/0 to KM 120/4 (Vellore), KM 130/6 to KM 131/26 (Ratnagiri), KM 133/10 to KM 141/10 (Arcot), KM 142/8 to KM 144/4 (Ranipet) and KM 144/2 to KM 145/4 (Ranipet)
SHU25 OSM Kochi - Madurai - Dhanushkodi Road (Old NH49) Sivagangai 1.60 KM 45/6 to KM 47/2 (Manamadurai)
SHU26 OSM Varanasi - Kanniyakumari Road (Old NH7) Tuticorin 9.22 KM 88/27 to KM 92/8 (Kovilpatti), KM 92/9 to KM 94/59 (Kovilpatti) and KM 120/0 to KM 123/0 (Kayathar)
SHU27 OSM Varanasi - Kanniyakumari Road (Old NH7) Tirunelveli 2.60 KM 181/0 to KM 183/6 (Nanguneri)
SHU28 OSM Varanasi - Kanniyakumari Road (Old NH7) Tirunelveli 2.60 KM 203/4 to KM 206/0 (Panagudi)
SHU29 OSM Varanasi - Kanniyakumari Road (Old NH7) Tirunelveli 1.135 KM 218/04 to KM 219/175 (Pazhavoor)
SHU30 OSM Varanasi - Kanniyakumari Road (Old NH7) Tirunelveli 1.60 KM 187/8 to KM 189/4 (Thalapathisamudram)
SHU31 OSM Varanasi - Kanniyakumari Road (Old NH7) Tirunelveli 2.00 KM 130/8 to KM 132/8 (Gangaikondan)
SHU32 OSM Varanasi - Kanniyakumari Road (Old NH7) Virudhunagar 2.90 KM 69/7 to KM 72/6 (Sattur)
SHU33 OSM Varanasi - Kanniyakumari Road (Old NH7) Virudhunagar 4.173 KM 42/687 to KM 46/86 (Virudhunagar)
SHU36 OSM Trichy - Madurai - Tuticorin Road (Old NH45B) Virudhunagar 7.80 KM 43/8 to KM 51/6 (Aruppukottai)
SHU37 OSM Mettur Branch Road Edappadi 0.105
SHU41 OSM Varanasi - Kanniyakumari Road (Old NH7) Karur 15.464 KM 281/296 to KM 288/31 (Thottakurichi) and KM 292/8 to KM 301/25 (Karur)
SHU42 OSM Varanasi - Kanniyakumari Road (Old NH7) Dindigul 3.475 KM 405/6 to KM 409/075 (Avarampatty)
SHU43 OSM Grand Southern Trunk Road (Old NH45) Villupuram 1.36 KM 146/64 to KM 148/0 (Vikravandi)
SHU45 OSM Old Salem - Cochin Road Edappadi 1.40 KM 22/6 to KM 24/0 (Magudanchavadi)
SHU45 OSM Dindigul - Vathalagundu - Theni (Old NH45) Theni 21.515 KM 0/0 to KM 3/22 (Devathanapatti), KM 0/0 to KM 12/095 (Periyakulam) and KM 0/0 to KM 6/2 (Theni)
SHU46 OSM Palayamkottai - Tuticorin Port Road (Old NH7A) Tuticorin 2.175 KM 37/14 to KM 39/315 (Pudukottai)
SHU47 OSM Pennaiyar Bridge Approach Road Kallakurichi 1.60
SHU48 OSM Periyar Memorial Pillar - Kenikkarai Road Ramnad 1.20 KM 111/8 to KM 113/0 (Ramanadhapuram)
SHU50 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Nagercoil 0.96 KM 630/0 to KM 630/96 (Parvathipuram)

SHU51 to SHU100
Road Number OSM Relation Name of Road Division Length (in km) Remarks
SHU51 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Nagercoil 1.97 KM 634/9 to KM 636/87 (Nagercoil)
SHU52 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Coimbatore 28.86 KM 141/6 to KM 157/6 (Coimbatore), KM 161/2 to KM 171/2 (Coimbatore) and KM 173/64 to KM 176/5 (KG Chavadi)
SHU53 OSM Salem Junction - Salem New Bypass Link Road Salem 0.40 KM 5/2 to KM 5/6
SHU54 OSM Salem New Bypass Road Salem 5.00
SHU55 OSM Salem - Ulundurpet Road Salem 3.65 KM 3/6 to 5/6 (Salem) and KM 50/35 to KM 52/0 (Attur)
SHU56 Dindigul - Natham - Singampunari - Thiruppathur - Karaikudi Road (Old SH35) 0.575 KM 1/725 to KM 2/150 and KM 2/21 to KM 2/36, Upgraded as NH383
SHU57 OSM Varanasi - Kanniyakumari Road (Old NH7) Krishnagiri 1.10 KM 62/13 to KM 63/23 (Shoolagiri)
SHU59 OSM Taj Bypass Road Dharapuram 0.60
SHU61 OSM Thanjavur Byepass Road (Phase II) Thanjavur 14.265
SHU62 OSM Kollam - Tenkasi - Thirumangalam Road (Old NH208) Virudhunagar 0.23 KM 0/0 to KM 0/23 (Alagapuri)
SHU63 OSM Kollam - Tenkasi - Thirumangalam Road (Old NH208) Virudhunagar 1.80 KM 80/0 to KM 81/8 (Srivilliputhur)
SHU64 OSM Trichy - Salem Road Salem 3.20
SHU65 OSM Thoppur - Mettur Road Edappadi 0.25
SHU66 OSM Varanasi - Kanniyakumari Road (Old NH7) Dharmapuri 1.00 KM 162/8 to KM 163/8 (Thoppur)
SHU70 OSM Valankulam Bypass Road Coimbatore 3.20
SHU71 OSM Varanasi - Kanniyakumari Road (Old NH7) Krishnagiri 4.22 KM 89/38 to KM 93/6 (Krishnagiri)
SHU72 OSM Varanasi - Kanniyakumari Road (Old NH7) Edappadi 1.09 KM 163/8 to KM 164/89 (Thoppur)
SHU73 OSM Varanasi - Kanniyakumari Road (Old NH7) Madurai, Dindigul 15.275 KM 374/5 to KM 380/375 (Dindigul), KM 436/2 to KM 445/6 (Madurai)
SHU74 OSM Coimbatore - Dindigul Road (Old NH209) Dindigul 2.365 KM 158/635 to KM 161/0 (Dindigul)
SHU75 OSM Cochin - Madurai - Dhanushkodi Road (Old NH49) Ramnad 1.30 KM 58/5 to KM 59/8 (Parthibanur)
SHU77 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Nagercoil 0.80 KM 639/335 to KM 640/135 (Suchindram)
SHU78 OSM Salem - Cochin Road Salem 1.60
SHU80 OSM Varanasi - Kanniyakumari Road (Old NH7) Salem 8.14 KM 199/45 to KM 207/59 (Salem)
SHU82 OSM Old Palar Road Vellore 2.00
SHU84 OSM Varanasi - Kanniyakumari Road (Old NH7) Namakkal 2.60 KM 270/65 to KM 273/25 (Paramathi)
SHU86 OSM Grand Western Trunk Road Chennai City Roads 13.80
SHU87 OSM Grand Northern Trunk Road Chennai City Roads 10.70 KM 0/8 to KM 11/5
SHU88 OSM Grand Southern Trunk Road Chennai City Roads 28.00
SHU89 OSM Nagapattinam - Gudalur - Mysore Road (Old NH67) Tiruvarur, Thanjavur, Trichy 19.63 KM 22/43 to KM 24/67 (Tiruvarur), KM 76/775 to KM 78/075 (Punnainallur), KM 80/485 to KM 89/275 (Thanjavur), KM 93/25 to KM 97/25 (Vallam), KM 135/8 to KM 138/0 (Trichy), KM 140/8 to 142/0 (Trichy)
SHU90 OSM Dindigul - Vathalagundu - Theni (Old NH45) Dindigul 2.16 KM 0/6 to KM 2/76 (Dindigul)
SHU91 OSM Chennai - Tiruthani - Renigunta Road Tiruvallur 5.55 KM 43/8 to KM 47/2 (Tiruvallur, only 2.1 KMs mapped), KM 83/4 to KM 85/2 (Tiruttani) and KM 0/0 to KM 0/35 (Tiruvallur, chainage modified)
SHU92 OSM Old Tuticorin - Kollam Road Tuticorin 6.40 KM 0/0 to KM 6/4
SHU93 OSM Varanasi - Kanniyakumari Road (Old NH7) Tirunelveli 18.00 KM 142/0 to KM 160/0 (Tirunelveli)
SHU94 Varanasi - Kanniyakumari Road (Old NH7) 5.675 KM 192.445 to KM 198/12, Modified as SHU149
SHU95 OSM Palayamkottai - Tuticorin Port Road (Old NH7A) Tirunelveli 4.00 KM 0/0 to KM 4/0 (Tirunelveli)
SHU96 OSM Trichy - Madurai - Tuticorin Road (Old NH45B) Virudhunagar 5.00 KM 61/2 to KM 66/2 (Pandhalkudi)
SHU97 OSM Trichy - Madurai - Tuticorin Road (Old NH45B) Virudhunagar 4.00 KM 27/6 to KM 31/6 (Kariapatti)
SHU98 OSM Trichy - Madurai - Tuticorin Road (Old NH45B) Virudhunagar 3.00 KM 36/2 to KM 39/2 (Kalkurichi)
SHU99 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Nagercoil 0.84 KM 603/76 to KM 604/6 (Kuzhithurai)
SHU100 OSM Varanasi - Kanniyakumari Road (Old NH7) Madurai 14.05 KM 426/75 to KM 440/8 (Madurai)

SHU101 to SHU150
Road Number OSM Relation Name of Road Division Length (in km) Remarks
SHU101 OSM Varanasi - Kanniyakumari Road (Old NH7) Madurai 9.00 KM 0/0 to KM 9/0 (Madurai)
SHU102 OSM Varanasi - Kanniyakumari Road (Old NH7) Madurai 6.50 KM 410/15 to KM 415/65 (Vadipatti)
SHU103 OSM Trichy - Madurai - Tuticorin Road (Old NH45B) Madurai 5.00 KM 116/0 to KM 121/0 (Madurai)
SHU104 OSM Trichy - Madurai - Tuticorin Road (Old NH45B) Madurai 5.00 KM 96/0 to KM 101/0 (Melur)
SHU105 OSM Varanasi - Kanniyakumari Road (Old NH7) Madurai 4.00 KM 15/2 to KM 19/2 (Thirumangalam)
SHU106 OSM Trichy - Madurai - Tuticorin Road (Old NH45B) Madurai 3.00 KM 75/15 to KM 78/15 (Kottampatti)
SHU107 OSM Cochin – Madurai - Dhanushkodi Road (Old NH49) Madurai 2.40 KM 2/8 to KM 5/2 (Madurai)
SHU108 OSM Dindigul - Coimbatore - Thimbam - Bangalore Road (Old NH209) Palani 4.96 KM 52/49 to KM 57/45 (Palani)
SHU109 OSM Cochin - Madurai - Dhanushkodi Road (Old NH49) Ramnad 0.20 KM 74/0 to KM 74/2 (Paramakudi)
SHU110 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Gopichettipalayam 4.20 KM 59/8 to KM 64/0 (Chithode)
SHU111 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Erode 7.10 KM 0/0 to KM 7/1 (Perundurai)
SHU112 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Erode 2.40 KM 0/0 to KM 2/4 (Nasiyanur)
SHU113 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Erode 2.20 KM 0/0 to KM 2/2 (Vijayamangalam)
SHU114 OSM Salem - Cochin Link Road Erode 0.42 KM 0/0 to KM 0/42 (Vijayamangalam)
SHU115 OSM Nagapattinam - Gudalur - Mysore Road (Old NH67) Karur 7.92 KM 208/53 to KM 214/8 (Karur) and KM 217/4 to KM 219/05 (Karur)
SHU116 OSM Nagapattinam - Gudalur - Mysore Road (Old NH67) Karur 2.445 KM 183/117 to KM 185/562 (Lalapet)
SHU117 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Edappadi 9.75 KM 31/85 to KM 41/6 (Sankari)
SHU118 OSM Varanasi - Kanniyakumari Road (Old NH7) Edappadi 2.25 KM 186/6 to KM 188/85 (Omalur)
SHU119 OSM Varanasi - Kanniyakumari Road (Old NH7) Salem 1.48 KM 216/05 to KM 217/53 (Mallur)
SHU120 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Salem 3.39 KM 1/67 to KM 5/06 (Kondalampatti)
SHU121 OSM Varanasi - Kanniyakumari Road (Old NH7) Namakkal 10.15 KM 249/05 to KM 259/2 (Namakkal)
SHU122 OSM Varanasi - Kanniyakumari Road (Old NH7) Namakkal 3.126 KM 275/294 to KM 278/42 (Velur)
SHU123 OSM Varanasi - Kanniyakumari Road (Old NH7) Namakkal 1.29 KM 234/845 to KM 236/135 (Puduchatram)
SHU124 OSM Varanasi - Kanniyakumari Road (Old NH7) Namakkal 1.525 KM 242/6 to KM 244/125 (Sellappampatty)
SHU125 OSM Varanasi - Kanniyakumari Road (Old NH7) Namakkal 0.50 KM 217/53 to KM 218/03 (Mallur)
SHU126 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Namakkal 1.10 KM 45/6 to KM 46/7 (Pallakkapalayam)
SHU127 OSM Krishnagiri - Ranipet Road (Old NH46) Krishnagiri 4.20 KM 13/4 to KM 17/6 (Bargur)
SHU128 OSM Varanasi - Kanniyakumari Road (Old NH7) Krishnagiri 4.83 KM 101/15 to KM 105/98 (Kaveripattinam)
SHU129 OSM Varanasi - Kanniyakumari Road (Old NH7) Dharmapuri 15.85 KM 132/3 to KM 148/15 (Dharmapuri)
SHU130 OSM Varanasi - Kanniyakumari Road (Old NH7) Dharmapuri 1.53 KM 122/0 to KM 123/53 (Periyampatti)
SHU131 OSM Varanasi - Kanniyakumari Road (Old NH7) Dharmapuri 1.10 KM 125/4 to KM 126/5 (Matlampatti)
SHU132 OSM Trichy - Madurai - Tuticorin Road (Old NH45B) Trichy 4.40 KM 0/0 to KM 4/4 (Trichy)
SHU133 OSM Trichy - Madurai - Tuticorin Road (Old NH45B) Trichy 3.20 0/0 to KM 3/2 (Thuvarankurichi)
SHU134 OSM Chennai - Trichy - Dindigul Road (Old NH45) Trichy 1.15 KM 306/0 to KM 307/15 (Samayapuram)
SHU135 OSM Trichy - Madurai - Tuticorin Road (Old NH45B) Pudukottai 3.563 KM 24/0 to KM 27/563 (Viralimalai)
SHU136 OSM Villupuram - Pondy - Mayiladuthurai - Nagapattinam Road (Old NH45A) Nagapattinam 14.667 KM 127/4 to KM 134/2 (Mayiladuthurai) and KM 186/133 to KM 194/0 (Nagapattinam)
SHU137 OSM Grand Southern Trunk Road (Old NH45) Villupuram 4.00 KM 121/085 to KM 125/085 (Tindivanam)
SHU138 OSM Grand Southern Trunk Road (Old NH45) Villupuram 7.10 KM 157/35 to KM 164/45 (Villupuram)
SHU139 OSM Vikravandi - Kumbakonam - Thanjavour Road (Old NH45C) Cuddalore 1.075 KM 0/0 to KM 0/525 and KM 0/635 to KM 1/185 (Panruti)
SHU140 OSM Vikravandi - Kumbakonam - Thanjavour Road (Old NH45C) Cuddalore 0.400 KM 0/0 to KM 0/4 (Sethiyathoppu)
SHU141 Trichy - Chidambaram Road (Old NH227) 1.20 KM 76/7 to KM 77/9, Modified as SHU167
SHU142 OSM Chennai - Chittoor - Bangalore Road (Old NH4) Chengalpattu 2.10 KM 48/8 to KM 50/9 (Sunguvarchatiram)
SHU143 OSM Chennai - Chittoor - Bangalore Road (Old NH4) Vellore 1.85 KM 121/9 to KM 123/75 (Thiruvalam)
SHU144 OSM Krishnagiri - Ranipet Road (Old NH46) Vaniyambadi 8.15 KM 34/2 to KM 36/4 (Nattrampalli), KM 49/4 to KM 53/2 (Vaniyambadi) and KM 74/35 to KM 76/5 (Pachaikuppam)
SHU144 OSM Nagapattinam - Gudalur - Mysore Road (Old NH67) Karur 9.55 KM 168/9 to KM 178/45 (Kulithalai)
SHU145 OSM Veerarakkiyam - Gandhigramam - Sukkaliyur Road (Old NH67) Karur 14.66 KM 203/34 to KM 218/0 (Karur)
SHU146 OSM Grand Southern Trunk Road (Old NH45) Kallakurichi 6.20 KM 0/0 to KM 6/2 (Ulundurpet)
SHU146 OSM Nagapattinam - Gudalur - Mysore Road (Old NH67) Karur 0.61 KM 248/4 to KM 249/4 (Vairamadai)
SHU147 OSM Cuddalore ROB Cuddalore 1.007
SHU147 OSM Pasupathypalayam Link Road Karur 0.60
SHU148 OSM Chennai - Tiruthani - Renigunta Road Tiruvallur 22.00 KM 59/6 to KM 81/6, as of Mar-19 section between SH234 and NH16 is part of NH716
SHU149 OSM Varanasi - Kanniyakumari Road (Old NH7) Tirunelveli 5.675 KM 192/445 to KM 198/120 (Valliyoor)
SHU150 OSM Varanasi - Kanniyakumari Road (Old NH7) Tirunelveli 1.505 KM 221/145 to KM 222/65 (Therku Karungulam)

SHU151 to SHU223
Road Number OSM Relation Name of Road Division Length (in km) Remarks
SHU151 OSM Varanasi - Kanniyakumari Road (Old NH7) Tirunelveli 1.37 KM 223/03 to KM 224/4 (Levinjipuram)
SHU152 OSM Varanasi - Kanniyakumari Road (Old NH7) Tirunelveli 1.145 KM 217/255 to KM 218/4 (Pazhavoor)
SHU153 OSM Nagapattinam - Gudalur - Mysore Road (Old NH67) Trichy 11.00 KM 142/0 to KM 153/0 (Trichy)
SHU154 OSM Chennai - Trichy - Dindigul Road (Old NH45) Trichy 8.00 KM 325/0 to KM 333/0 (Trichy)
SHU155 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Tiruppur 7.59 KM 112/94 to KM 120/53 (Avinashi)
SHU157 OSM Trichy - Ramanathapuram Road (Old NH210) Pudukkottai 14.25 KM 44/7 to KM 58/95 (Pudukkottai)
SHU158 OSM Trichy - Ramanathapuram Road (Old NH210) Pudukkottai 2.90 KM 67/2 to KM 70/1 (Thirumayam)
SHU159 OSM Trichy - Ramanathapuram Road (Old NH210) Sivagangai 20.80 KM 76/4 to KM 97/2 (Karaikkudi)
SHU161 OSM Pondy - Krishnagiri Road (Old NH66) Tiruvannamalai 10.08 KM 86/35 to KM 89/07 (Kil Pennathur), KM 101/5 to KM 111/56 (Tiruvannamalai) and KM 136/42 to KM 141/72 (Chengam)
SHU164 OSM Varanasi - Kanniyakumari Road (Old NH7) Palani 4.60 KM 355/95 to KM 360/55 (Vedasandur)
SHU165 OSM Varanasi - Kanniyakumari Road (Old NH7) Dindigul 3.07 KM 399/08 to KM 402/15 (Kodai Road)
SHU167 OSM Trichy - Chidambaram Road (Old NH227) Ariyalur 1.20 KM 76/7 to KM 77/9 (Udayarpalayam)
SHU168 OSM Pondy - Krishnagiri Road (Old NH66) Villupuram 5.40 KM 6/8 to KM 12/2 (Thiruchitrambalam)
SHU169 OSM Pondy - Krishnagiri Road (Old NH66) Villupuram 4.00 KM 18/6 to KM 22/6 (Kiliyanur)
SHU170 OSM Thuraiyur Bypass Road Trichy 3.40
SHU171 OSM Dharapuram Bypass Road (Phase-I) Dharapuram 3.60
SHU172 OSM Dharapuram Bypass Road (Phase-II) Dharapuram 1.20
SHU173 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Tiruppur 3.295 KM 0/0 to KM 3/295 (Perumanallur)
SHU174 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Tiruppur 1.255 KM 0/0 to KM 1/255 (Pallagoundampalayam)
SHU175 OSM Salem - Cochin - Kanniyakumari Road (Old NH47) Tiruppur 1.145 KM 0/0 to KM 1/145 (Chengapalli)
SHU176 OSM Gobi - Uthukuli - Padiyur Road (Old SH81) Tiruppur 0.68 KM 0/0 to KM 0/68 (Uthukuli)
SHU181 OSM Varanasi - Kanniyakumari Road (Old NH7) Nagercoil 1.875 KM 224/4 to KM 226/275 (Anjugramam), runs from another SHU at Kanniyakumari border
SHU185 OSM Vandavasi Bypass Road Cheyyar 2.20
SHU217 OSM Thanjavur - Manamadurai Road (Old NH226) Pudukkottai 14.045 KM 28/6 to KM 29/885 (Adhanakottai), KM 47/46 to KM 56/46 (Pudukkottai), KM 72/1 to KM 74/185 (Thirumayam), KM 75/335 to KM 77/01 (Paralipattinam)
SHU218 OSM Thanjavur - Manamadurai Road (Old NH226) Sivagangai 20.25 KM 93/8 to KM 100/4 (Thiruppathur), KM 105/0 to KM 106/4 (Thirukoshtiyur), KM 127/2 to KM 134/75 (Sivagangai), KM 145/8 to KM 150/5 (Manamadurai)
SHU220 OSM Kollam - Theni Road (Old NH220) Theni 22.55 KM 0/0 to KM 3/09 (Theni), KM 0/0 to KM 2/1 (Veerapandi), KM 0/0 to KM 3/25 (Chinnamanur), KM 0/0 to KM 4/58 (Uthamapalayam), KM 0/0 to KM 5/7 (Cumbum) and KM 0/0 to KM 3/83 (Cudalur)
SHU221 OSM Trichy - Ramanathapuram Road (Old NH210) Pudukkottai 4.40 KM 24/2 to KM 28/6 (Keeranur)
SHU223 OSM Pondicherry Bypass Road Villupuram 1.506 runs till Puducherry Border
Total 869.112

See also

References
  1. "Highways Circle of Highways Department, Tamil Nadu". Highways Department, Government of Tamil Nadu. Archived from the original on 24 December 2002. Retrieved 15 July 2010.
  2. Ramakrishnan, Deepa H. (11 November 2018). "Chennai Outer Ring Road will now be known as SH 234". The Hindu. Chennai: Kasturi & Sons. Retrieved 18 November 2018.
  3. "List of Roads GO" (PDF). Archived from the original (PDF) on 13 April 2021. Retrieved 12 May 2022.

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