Maryland Route 144

Maryland Route 144 (MD 144) is a collection of state highways in the U.S. state of Maryland. These highways are sections of old alignment of U.S. Route 40 (US 40) between Cumberland and Baltimore. Along with US 40 Scenic, US 40 Alternate, and a few sections of county-maintained highway, MD 144 is assigned to what was once the main highway between the two cities, connecting those endpoints with Hancock, Hagerstown, Frederick, New Market, Mount Airy, Ellicott City, and Catonsville. MD 144 has seven disjoint sections of mainline highway that pass through the Appalachian Mountains in Allegany and Washington counties and the rolling Piedmont of Frederick, Carroll, Howard, and Baltimore counties.

This article is about the current Maryland Route 144. For the former highway, see Maryland Route 146.

Maryland Route 144 marker

Maryland Route 144

Route information
Maintained by MDSHA and Baltimore DOT
Existed1952–present
Tourist
routes		 Historic National Road
Chesapeake and Ohio Canal Scenic Byway
Antietam Campaign Scenic Byway
Location
CountryUnited States
StateMaryland
CountiesAllegany, Washington, Frederick, Carroll, Howard, Baltimore, Baltimore City
Highway system
← MD 140→ MD 145

Route description

There are seven mainline sections of MD 144:

  • MD 144 in Allegany County runs 17.55 miles (28.24 km) from MD 807 in Cumberland east to US 40 Scenic east of Flintstone. The state highway generally parallels I-68 and crosses over the freeway multiple times as both highways pass through mountainous creek valleys and over Martin Mountain and Polish Mountain.[1]
  • MD 144WB runs 5.91 miles (9.51 km) from I-68 west of Hancock to I-70 east of Hancock. The state highway was assigned in the mid-1960s following the completion of I-70 and the new alignment of US 40 on either side of Hancock.[1]
  • MD 144WA runs 1.47 miles (2.37 km) from US 40 west of Hagerstown to Western Maryland Parkway just west of the city limits of Hagerstown.[1]
  • MD 144FA runs 5.57 miles (8.96 km) from the intersection of Patrick Street and Jefferson Street in Frederick east to I-70 near Bartonsville.[1]
  • MD 144FB runs 1.41 miles (2.27 km) from the west town limit of New Market east to MD 75. This state-maintained segment of old US 40 lies between two county-maintained segments of the road in eastern Frederick County.[1]
  • MD 144A runs 17.20 miles (27.68 km) from MD 27 in Mount Airy east to US 40 in Ellicott City. The state highway briefly passes through Frederick and Carroll counties before serving as the main east–west surface highway of northern Howard County.[1]
  • MD 144 runs 8.62 miles (13.87 km) from the Howard–Baltimore county line at the Patapsco River east to US 1 in Baltimore. A county-maintained segment of Frederick Road continues west through Ellicott City to a junction with US 40 a short distance east of MD 144A.[1][2]

MD 144 is a part of the National Highway System as a principal arterial in two sections. The first section runs from the western terminus of MD 144FA at Jefferson Street east to I-70 and US 40 within Frederick.[1][3] The second section runs from North Rolling Road in Catonsville to the highway's eastern terminus at US 1 in Baltimore.[1][4]

Cumberland–Flintstone

Maryland Route 144 marker

Maryland Route 144

LocationCumberland–Flintstone
Length17.55 mi[1] (28.24 km)
Tourist
routes		 Historic National Road
View west along MD 144 from I-68/US 40 in Pleasant Grove, east of Cumberland

MD 144 begins at an intersection with MD 807 (Bedford Road) a short distance north of the Cumberland city limits. The state highway heads east as two-lane undivided Naves Cross Road, passing through a pair of ridges before meeting a pair of ramps to and from westbound I-68 (National Freeway) and heading north of a park and ride lot. Naves Cross Road continues east as MD 807A, while MD 144 turns south onto Christie Road to pass under I-68. Christie Road continues south while MD 144 turns east onto Ali Ghan Road, passing to the south of a park and ride lot. The state highway crosses Evitts Creek before receiving an exit ramp from eastbound I-68 and joins US 220 in a short concurrency. US 220 turns north onto its bypass of Bedford Road while MD 144 continues east, meeting I-68 at Exit 47, a diamond interchange.[1][5]

Within the interchange, MD 144 becomes National Pike and expands to a four-lane divided highway that follows the valley of Elk Lick Run. The state highway passes under I-68 and reduces to a two-lane undivided highway at Hinkle Road. At Rocky Gap Road, MD 144 begins to closely parallel the eastbound lanes of I-68. The state highway leaves the valley of Elk Lick Run and ascends Martin Mountain. On the climb, MD 144 intersects Pleasant Valley Road, which meets I-68 at Exit 50 and leads to Rocky Gap State Park. At the top of Martin Mountain, the state highway crosses over I-68 and intersects Sunset Orchard Road, which leads to a ramp to westbound I-68. On the descent, MD 144 crosses I-68 again and receives a ramp from the eastbound direction of the freeway and the highways part ways around a quarry.[1][5]

MD 144 curves around the quarry and rejoins the side of I-68 as the highway passes West Wilson Road and crosses a tributary of Flintstone Creek. The state highway leaves the freeway and passes through the unincorporated village of Flintstone, where the state highway intersects the Exit 56 ramps to and from eastbound I-68 and Black Valley Road, which leads to ramps for westbound I-68. MD 144 joins I-68 and Flintstone Creek in passing through a gap in Warrior Mountain. Gilpin Road, an older alignment of US 40 that is designated MD 144AE, begins to parallel the eastbound side of the state highway at Town Creek Road. The two surface highways cross Town Creek and begin to climb Polish Mountain, with MD 144 following a gentle curve while Gilpin Road follows a winding alignment. MD 144 intersects Gilpin Road as the highway begins the descent from the mountain. MD 144 and I-68 follow Pratt Hollow east between several ridges. The state highway crosses the freeway and over Pine Lick Hollow and closely parallels the westbound direction of I-68 before reaching its eastern terminus at US 40 Scenic (Old National Pike) just north of I-68 Exit 62, just west of Fifteen Mile Creek, and on the edge of Green Ridge State Forest.[1][5]

Hancock

Maryland Route 144 marker

Maryland Route 144WB

LocationHancock
Length5.91 mi[1] (9.51 km)
Tourist
routes		 Historic National Road
Chesapeake and Ohio Canal Scenic Byway
MD 144 in Hancock

MD 144 begins at Exit 77 of I-68 (National Freeway) north of Woodmont and west of Hancock. The state highway heads south through the diamond interchange to an intersection with US 40 Scenic (National Pike), at which MD 144 turns east as two-lane undivided Western Pike. The state highway intersects Woodmont Road and crosses Little Tonoloway Creek before ascending Tonoloway Ridge. East of the ridge, MD 144 passes through multiple curves through a mixture of farms and forest, intersecting Locher Road, which leads south to Fort Tonoloway State Park, before passing north of Hancock Middle-Senior High School at the town limits of Hancock. The state highway passes through a residential area before issuing a ramp to southbound US 522. MD 144 passes under US 522 itself, crosses Little Tonoloway Creek, and intersects Limestone Road, which is the old alignment of US 522 and unsigned MD 894.[1][6]

MD 144 continues east as Main Street through downtown Hancock. Access to northbound US 522 as well as both I-70 and I-68 is provided by Virginia Avenue. MD 144 parallels both the Western Maryland Rail Trail and Chesapeake and Ohio Canal National Historical Park one block to the north through the downtown area. The state highway leaves the town limits and passes the C&O Canal's Hancock visitor center and a park and ride lot before crossing Tonoloway Creek. MD 144 reaches its eastern terminus at a partial interchange with I-70 (Eisenhower Memorial Highway). There is no direct access from MD 144 to westbound I-70 at Exit 3; that movement can be completed by turning around at Exit 5.[1][6]

Hagerstown

Maryland Route 144 marker

Maryland Route 144WA

LocationHagerstown
Length1.47 mi[1] (2.37 km)

MD 144 begins at an intersection with US 40 (National Pike) between Huyett and Hagerstown. The state highway heads east as two-lane undivided Washington Street past farmland, residential subdivisions, and a cemetery. After crossing over I-81 (Maryland Veterans Memorial Highway) with no access, MD 144 enters an industrial area and reaches its eastern terminus at a roundabout with Western Maryland Parkway. Western Maryland Parkway, which is unsigned MD 910C heading north, is used to access US 40 and I-81. Washington Street continues east into the city of Hagerstown, where it meets US 40 again in the downtown area.[1][7]

Frederick–Bartonsville

Maryland Route 144 marker

Maryland Route 144FA

LocationFrederick–Bartonsville
Length5.57 mi[1] (8.96 km)
Tourist
routes		 Historic National Road
Antietam Campaign Scenic Byway
MD 144 eastbound in downtown Frederick

The old alignment of US 40 through Frederick begins at a partial cloverleaf interchange with the Frederick Freeway, which heads north from the interchange as US 15 and south as a concurrency of US 15 and US 40. Patrick Street heads east from the interchange as a four-lane undivided highway that splits into a one-way pair just beyond West College Terrace/Catoctin Avenue. The eastbound direction, which is signed as eastbound MD 144 at the split, follows municipally-maintained South Street. MD 144 in Frederick officially begins at the intersection of Patrick Street, which is one-way westbound, and Jefferson Street, which was formerly US 340. Both streets pass through the Frederick Historic District: Patrick Street crosses Carroll Creek into the commercial district, while South Street has a more residential flavor. Both streets intersect Market Street, the main north–south thoroughfare of the downtown area that was formerly MD 355. The eastbound direction of MD 144 turns north onto East Street, passing by the Frederick station serving the Frederick Branch of MARC's Brunswick Line and traversing Carroll Creek before meeting Patrick Street.[1][8]

MD 144 heads east from downtown Frederick on two-lane undivided Patrick Street. The state highway crosses Carroll Creek and passes between a residential area to the south and the Frederick Fairgrounds to the north. MD 144 expands to a four-lane undivided street and continues east through an industrial area where the highway intersects Monocacy Boulevard, which is used to access westbound I-70 and Frederick Municipal Airport. Just before reaching I-70, the street's alignment continues straight as an unnamed road, unsigned MD 870G, that receives the westbound Exit 56 ramp from I-70 and is used to access Bowmans Farm Road. MD 144 reduces to two lanes and veers to the southeast to cross I-70 (Baltimore National Pike), then curves back to the original alignment ahead of ramps to and from eastbound I-70 at the intersection with Quinn Orchard Road.[1][8]

MD 144 continues east as Old National Pike, a two-lane undivided road that is paralleled by an unused carriageway immediately to the north that serves as a park and ride and the original alignment further north, which is lined with scattered residences. The two southern carriageways cross the Monocacy River on bridges while the northernmost road dead ends at the site of the removed Jug Bridge. East of Bartonsville Road, MD 144 expands to a four-lane divided highway, with the westbound direction making use of what to the west was an unused carriageway. The original alignment, Baltimore Road, now parallels the highway to the south, while Long Branch parallels the highway to the north. MD 144 crosses Long Branch before approaching its eastern terminus. Westbound MD 144 receives a loop ramp from Exit 59 of westbound I-70. The old alignment, Old National Pike, heads north from the divided highway, passes under I-70, and turns east toward New Market as a county highway. MD 144 continues east to its terminus at Ijamsville Road, where the divided highway ends, with the eastbound direction becoming an entrance ramp to eastbound I-70.[1][8]

New Market

Maryland Route 144 marker

Maryland Route 144FB

LocationNew Market
Length0.31 mi[1] (500 m)
Tourist
routes		 Historic National Road

Old National Pike parallels I-70 as a county highway for about 3 miles (4.8 km) to the western town limits of New Market. The road heads east through New Market as Main Street, which is a municipal street that passes through the New Market Historic District, within which it intersects MD 874 (Prospect Street). MD 144 begins again at the east town limit of New Market, where it heads east as Old National Pike. The original alignment continues straight to a dead end while the state highway turns north and then east to its eastern terminus at MD 75 (Green Valley Road), which is used to access I-70. Old National Pike continues east as a county highway for about 6 miles (9.7 km) to Mount Airy on the Frederick–Carroll county line.[1][9]

Mount Airy – Ellicott City

Maryland Route 144 marker

Maryland Route 144A

LocationMount Airy – Ellicott City
Length17.20 mi[1] (27.68 km)
Tourist
routes		 Historic National Road
MD 144 eastbound past MD 27 in Mount Airy

MD 144 begins at an intersection with MD 27 (Ridge Road) just south of MD 27's interchange with I-70 south of Mount Airy. The state highway, known as Frederick Road, immediately turns north and after 0.07 miles (0.11 km) crosses the Frederick–Carroll County line.[1] MD 144 passes Parr's Spring, the source of the Patapsco River, before curving to the east through residential subdivisions and closely paralleling the eastbound lanes of I-70.[1] Shortly after crossing the Patapsco River and entering Howard County, the state highway veers away from the freeway and passes through a mix of farmland and scattered residences. MD 144 intersects Long Corner Road and Watersville Road before reaching Lisbon, where the highway meets MD 94 (Woodbine Road) at a roundabout. The state highway continues past Daisy Road and Morgan Station Road to Cooksville, where the highway passes the historic Roberts Inn and intersects MD 97 (Roxbury Mills Road). A park and ride lot is located at the northeast corner of this intersection. MD 144 continues east to West Friendship, where the highway crosses the Middle Patuxent River and Terrapin Branch, passes the Howard County Fairgrounds, and intersects MD 32 (Sykesville Road). The state highway leaves the farmland behind and passes through a mixture of forest and residential subdivisions, passing Marriottsville Road and Folly Quarter Road. On the western edge of Ellicott City, MD 144 reaches its eastern terminus at US 40 (Baltimore National Pike).[1][10]

Ellicott City – Baltimore

Maryland Route 144 marker

Maryland Route 144

LocationEllicott City – Baltimore
Length8.62 mi[1][2] (13.87 km)
Tourist
routes		 Historic National Road

Frederick Road splits off from US 40 as a county highway about 1 mile (1.6 km) east of the eastern end of the Mount Airy – Ellicott City portion of MD 144. This county highway parallels US 40 to the south as it passes through residential subdivisions, crossing the Little Patuxent River, intersecting Centennial Lane and St. John's Lane, and passing the historic home MacAlpine. Frederick Road passes under US 29 (Columbia Pike) before intersecting Toll House Road. The county highway intersects Rogers Avenue and descends into downtown Ellicott City as Main Street. Within the Ellicott City Historic District and nearby are the Howard County offices and the Howard County Circuit Courthouse, the remains of the Patapsco Female Institute, and the Ellicott City Station, which preserves the oldest remaining passenger train station in the U.S. as a railroad museum. The highway passes under the Oliver Viaduct, which carries CSX's Old Main Line Subdivision railroad line, before crossing the Patapsco River into Baltimore County.[11]

View east along MD 144 at MD 166 in Catonsville

MD 144 begins at the county line as two-lane undivided Frederick Road, where the state highway passes through the Ellicott's Mills Historic District. The state highway parallels the Patapsco River east to River Road, where the highway gains an eastbound climbing lane and leaves the steep river valley. MD 144 passes several loops of old alignment on the ascent, which concludes shortly after passing Old Frederick Road. MD 144 continues east through a densely populated residential area, intersecting North Rolling Road and entering Catonsville, where the highway intersects MD 166 (South Rolling Road), which heads south toward the University of Maryland Baltimore County and Baltimore/Washington International Thurgood Marshall Airport (via I-195). The state highway passes close to the historic home Summit and passes between the Old Catonsville Historic District and Central Catonsville and Summit Park Historic District as it enters downtown Catonsville, which contains Old Catonsville High School. At the eastern end of the central business district, MD 144 passes Wade Avenue, which heads south to Spring Grove Hospital Center, before meeting I-695 (Baltimore Beltway) at a diamond interchange.[1][11]

View west along Lombard Street (MD 144) at Monroe Street (US 1) in Baltimore

Shortly after the interchange with I-695, MD 144 enters the city of Baltimore, where it continues as Frederick Avenue. The state highway passes Baltimore National Cemetery, Mount Saint Joseph College high school, the Schwartze Mansion, and Loudon Park National Cemetery in an affluent residential area. MD 144 expands to a four-lane undivided highway at Beechfield Avenue before reaching Hilton Street and Caton Avenue, where the highway crosses over Amtrak's Northeast Corridor railroad line. The state highway continues east through a less affluent series of neighborhoods where it crosses over Gwynns Falls and CSX's Hanover Subdivision railroad line. East of Bentalou Street, MD 144 splits into a one-way pair, with the eastbound lanes following Pratt Street and the westbound lanes following Frederick Avenue and then Lombard Street. The state highway intersects US 1 at its own one-way pair, Monroe Street southbound and Fulton Avenue northbound. Both directions of MD 144 have their eastern terminus at Fulton Avenue, although Frederick Avenue itself continues two more blocks to its own terminus at Baltimore and Gilmor Streets. Both Pratt Street and Lombard Street continue east toward downtown Baltimore, passing through the Union Square neighborhood and by the Mount Clare Shops and the B&O Railroad Museum.[2][11]

History

The section of MD 144FB within New Market was transferred to the town in an agreement dated December 14, 2011.[12] In 2014, the group Preservation Howard County placed the road on its top 10 most endangered list, followed by Preservation Maryland in 2015.[13] In 2015, a roundabout was constructed at the eastern terminus of the Hagerstown section of MD 144 at MD 910C.[14]

MD 144WB

MD 144 follows what was constructed as the Baltimore and Cumberland Turnpike through Hancock in the 19th century.[15] This highway was reconstructed as one of the original state roads by the Maryland State Roads Commission. The highway was paved from Little Tonoloway Creek to the western edge of Hancock in 1913, and from there east through the town to east of Tonoloway Creek in 1915.[16] The highway through Hancock followed the same alignment as modern MD 144 except for a circuitous alignment on both sides of Tonoloway Creek that followed what is now Old Route 40, Tollgate Ridge Road, and Ford Drive. The present bridge and alignment were constructed in 1940.[17] Construction on I-70 from the Pennsylvania state line to east of Tonoloway Creek began in 1963.[18] By 1964, a US 40 bypass of Hancock, following what is now I-68 from Exit 77 to I-70, was under construction.[19] I-70 and the US 40 bypass were completed in 1966.[20] MD 144 was marked along the old alignment of US 40 through Hancock by 1967.[21]


Junction lists

MD 144 Allegany

The entire route is in Allegany County.

Locationmi[1]kmDestinationsNotes
Cumberland0.000.00 MD 807 (Bedford Road)Western terminus; MD 807 is unsigned
0.460.74


 I-68 west / US 40 west / US 220 south (National Freeway) – Cumberland		I-68 Exit 46 (westbound)
0.570.92Naves Cross Road eastMD 144 turns south onto Christie Road; Naves Cross Road is unsigned MD 807A
0.691.11Christie Road southMD 144 turns east onto Ali Ghan Road
1.262.03
 US 220 north – Bedford
1.422.29


 I-68 west / US 40 west (National Freeway) / US 220 south – Hancock, Cumberland		I-68 Exit 47 (westbound)
​4.306.92Rocky Gap Road northUnsigned MD 948AE
​5.599.00Pleasant Valley Road north – Rocky Gap State ParkUnsigned MD 948AD
​6.9711.22



 Sunset Orchard Road north to I-68 west / US 40 west		Unsigned MD 948C
​9.1414.71West Wilson Road westUnsigned MD 948M
Flintstone10.7717.33

 I-68 east / US 40 east (National Freeway) – Hancock		I-68 Exit 56
10.9717.65



 Black Valley Road north to I-68 west / US 40 west – Cumberland		Unsigned MD 948AO
​11.5618.60Town Creek Road south – Green Ridge State Forest
​13.7222.08Gilpin Road westUnsigned MD 144AE
​17.5528.24


 US 40 Scenic (National Pike) to I-68 / US 40		Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

MD 144WB

The entire route is in Washington County.

Locationmi[1]kmDestinationsNotes
Woodmont0.000.00 I-68 / US 40 (National Freeway) – Cumberland, HancockWestern terminus; I-68 Exit 77
0.120.19

 US 40 Scenic west (National Pike)		US 40 Scenic is county-maintained but signed
0.250.40Woodmont Road southFormer MD 453
Hancock3.525.66
 US 522 south – Berkeley Springs, WV		Ramp is unsigned US 522B
3.675.91Limestone Road northUnsigned MD 894; old alignment of US 522
3.756.04



 Virginia Avenue to US 522 north / I-68 / I-70		Unsigned US 522C
5.919.51

 I-70 east / US 40 east (Eisenhower Memorial Highway) – Hagerstown, Frederick		Eastern terminus; I-70 Exit 3; no direct access from MD 144 to I-70 west; use Exit 5 to access I-70 and I-68 west
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

MD 144WA

The entire route is in Washington County.

Locationmi[1]kmDestinationsNotes
Huyett0.000.00 US 40 (National Pike) – Clear SpringWestern terminus
Hagerstown1.472.37

 Western Maryland Parkway to US 40 / I-81 / Washington Street east		Roundabout; eastern terminus; Western Maryland Parkway north is unsigned MD 910C
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

MD 144FA

The entire route is in Frederick County.

Locationmi[1]kmDestinationsNotes
Frederick0.000.00
 Patrick Street west to US 40 / Jefferson Street		Western terminus; Patrick Street is one-way westbound; Jefferson Street is former US 340
0.560.90Market StreetFormer MD 355
0.861.38East StreetPatrick Street becomes two-way
1.913.07



 Monocacy Boulevard to I-70 west / US 40 west
1.913.07To Bowmans Farm RoadUnsigned MD 870G
2.233.59

 I-70 east / US 40 east (Baltimore National Pike) – Baltimore		I-70 Exit 56; no direct access from MD 144 to I-70 west
Bartonsville5.458.77Old National Pike east – New Market
5.578.96 I-70 / US 40 (Baltimore National Pike) / Ijamsville Road south – Frederick, BaltimoreEastern terminus; I-70 Exit 59; no entrance from eastbound I-70[22]
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

MD 144FB

The entire route is in New Market, Frederick County.

mi[1]kmDestinationsNotes
0.000.00Main Street west – New MarketWestern terminus; New Market town limit
0.310.50

 MD 75 (Green Valley Road) to I-70 / US 40 – Libertytown, Hyattstown
Old National Pike east – Mount Airy		Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

MD 144A
CountyLocationmi[1]kmDestinationsNotes
FrederickMount Airy0.000.00

 MD 27 (Ridge Road) to I-70 / US 40 – Damascus, Westminster		Western terminus
Carroll
 No major junctions
Howard​2.443.93Long Corner Road south / Twin Arch Road northTwin Arch Road is unsigned MD 144HC
​4.447.15Watersville Road northFormer MD 532
Lisbon5.749.24 MD 94 (Woodbine Road) – Woodbine, FlorenceRoundabout
​6.5210.49Daisy Road southFormer MD 96
​7.1011.43Morgan Station Road southFormer MD 476
Cooksville8.8814.29 MD 97 (Roxbury Mills Road) – Olney, Westminster
West Friendship12.6920.42 MD 32 (Sykesville Road) – Sykesville, Clarksville
​15.5224.98

 Marriottsville Road north to I-70 / US 40 – Marriottsville
​16.0525.83Folly Quarter Road southFormer MD 98
Ellicott City17.2027.68 US 40 (Baltimore National Pike) – Catonsville, FrederickEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

MD 144 Baltimore
CountyLocationmi[1][2]kmDestinationsNotes
HowardEllicott City0.000.00Main Street west – Ellicott City Historic DistrictWestern terminus; Howard–Baltimore county line at Patapsco River
BaltimoreCatonsville2.854.59

 MD 166 south (Rolling Road) to I-195 – University of Maryland Baltimore County, BWI Airport
4.076.55 I-695 (Baltimore Beltway) – Glen Burnie, TowsonI-695 Exit 13
Baltimore City7.0111.28Hilton Street north / Caton Avenue south
7.6912.38Pratt Street eastMD 144 splits into one way pair following Pratt Street (eastbound) and Lombard Street/Frederick Avenue (westbound)
8.5213.71
 US 1 north (Monroe Street)
8.6213.87
 US 1 south (Fulton Avenue) / Pratt Street east – Baltimore Inner Harbor		Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Auxiliary routes

MD 144 has four auxiliary routes, two in Allegany County and two in Howard County.

  • MD 144AE is the unsigned designation for Gilpin Road, a 2.53-mile (4.07 km) section of original alignment of US 40 that runs from Town Creek Road east to MD 144 east of Flintstone.[1][23]
  • MD 144AL is the unsigned designation for an unnamed 0.08-mile (0.13 km) spur south from US 40 Scenic near Town Hill.[1][24]
  • MD 144HB is the designation for Twin Arch Road, a 0.12-mile (0.19 km) service road that runs from the Patapsco River east to an intersection with county-maintained Twin Arch Road between I-70 to the south and the namesake double-arch bridge that carries CSX's Old Main Line Subdivision.[1][25]
  • MD 144HC is the designation for Twin Arch Road, a 0.04-mile (0.064 km) service road that runs from the intersection of MD 144A and Long Corner Road north to a dead end.[1]

See also

References
  1. Highway Information Services Division (December 31, 2013). Highway Location Reference. Maryland State Highway Administration. Retrieved 2012-02-21.
  2. Highway Information Services Division (December 31, 2005). Highway Location Reference. Maryland State Highway Administration. Retrieved 2012-02-21.
  3. Federal Highway Administration (October 1, 2012). National Highway System: Frederick, MD (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved 2015-01-10.
  4. Federal Highway Administration (October 1, 2012). National Highway System: Baltimore, MD (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved 2015-01-10.
  5. Google (November 9, 2010). "Maryland Route 144: Allegany County" (Map). Google Maps. Google. Retrieved 2010-11-09.
  6. Google (November 9, 2010). "Maryland Route 144WB" (Map). Google Maps. Google. Retrieved 2010-11-09.
  7. Google (November 9, 2010). "Maryland Route 144WA" (Map). Google Maps. Google. Retrieved 2010-11-09.
  8. Google (November 9, 2010). "Maryland Route 144FA" (Map). Google Maps. Google. Retrieved 2010-11-09.
  9. Google (November 9, 2010). "Maryland Route 144FB" (Map). Google Maps. Google. Retrieved 2010-11-09.
  10. Google (November 9, 2010). "Maryland Route 144A" (Map). Google Maps. Google. Retrieved 2010-11-09.
  11. Google (November 9, 2010). "Maryland Route 144: Baltimore County and City" (Map). Google Maps. Google. Retrieved 2010-11-09.
  12. Highway Information Services Division (December 31, 2018). Highway Location Reference. Maryland State Highway Administration. Retrieved 2020-03-21.
  13. Yeager, Amanda (May 26, 2015). "Former School Tops Howard County's Endangered Sites List". The Baltimore Sun.
  14. Highway Information Services Division (December 31, 2015). Highway Location Reference. Maryland State Highway Administration. Retrieved 2016-08-10.
  15. United States Geological Survey (1901). Hancock, WV quadrangle (Topographic map). 1:48,000. 15 Minute Series. Reston, Virginia: United States Geological Survey. Retrieved 2010-11-29.
  16. Maryland State Roads Commission (May 1915). Report of the State Roads Commission of Maryland (1912–1915 ed.). Baltimore: Maryland State Roads Commission. p. 114. Retrieved 2010-11-29.
  17. Maryland State Roads Commission (March 15, 1941). Report of the State Roads Commission of Maryland (1939–1940 ed.). Baltimore: Maryland State Roads Commission. p. 25. Retrieved 2010-11-29.
  18. Maryland State Roads Commission (1963). Maryland: Official Highway Map (Map). Baltimore: Maryland State Roads Commission.
  19. Maryland State Roads Commission (1964). Maryland: Official Highway Map (Map). Baltimore: Maryland State Roads Commission.
  20. Maryland State Roads Commission (1966). Maryland: Official Highway Map (Map). Baltimore: Maryland State Roads Commission.
  21. Maryland State Roads Commission (1967). Maryland: Official Highway Map (Map). Baltimore: Maryland State Roads Commission.
  22. Marshall, Ryan (October 1, 2019). "I-70 Ramp Opens at Meadow Road". The Frederick News-Post. Retrieved 2020-03-19.
  23. Google (November 9, 2010). "Maryland Route 144AE" (Map). Google Maps. Google. Retrieved 2010-11-09.
  24. Google (November 9, 2010). "Maryland Route 144AL" (Map). Google Maps. Google. Retrieved 2010-11-09.
  25. Google (November 9, 2010). "Maryland Route 144HB" (Map). Google Maps. Google. Retrieved 2010-11-09.
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