Business routes of Interstate 25

Interstate business routes are roads connecting a central or commercial district of a city or town with an Interstate bypass. These roads typically follow along local streets often along a former U.S. Route or state highway that had been replaced by an Interstate. Interstate business route reassurance markers are signed as either loops or spurs using a green shield shaped sign and numbered like the shield of the parent Interstate highway.

Interstate 25 Business marker Interstate 25 Business marker

Interstate 25 Business

Location
CountryUnited States
Highway system

Along Interstate 25 (I-25), business routes are found in all three states through which I-25 passes: New Mexico, Colorado, and Wyoming. Some states regard Interstate business routes as fully integrated within their state highway system while other states consider them to be either local roads to be maintained by county or municipal authorities or a hybrid of state and local control. Every state along I-25 regards its business routes as fully incorporated members of their respective state maintained highway systems.

Although the public may differentiate between different business routes by the number of the parent route and the location of the route, there is no uniform naming convention. Each state highway department internally uses its own designations to identify segments within its jurisdiction.

New Mexico

All of the business loops within New Mexico are maintained by the New Mexico Department of Transportation (NMDOT). In New Mexico, Interstate business routes are named independently of their parent Interstate's designation with business loops of I-25 numbered between 10–19, those of I-10 between 20–29, and those of I-40 between 30–39. New Mexico business loop numbers ascend eastward and northward with gaps in numbering to allow for future designations. I-25 begins with a business route through Williamsburg and Truth or Consequences before proceeding northward with additional routes serving the towns of Socorro, Belen, Las Vegas, Springer, and Raton. These routes largely conform to the current or former alignment of the unsigned U.S. Route 85 (US 85) through these communities before the construction of I-25. NMDOT has decommissioned US 85 throughout the state and no longer signs the highway along its length, as US 85 entirely follows I-25 with the single exception of the business loop in Las Vegas. The American Association of State Highway and Transportation Officials (AASHTO), however, continues to recognize the New Mexico portion of US 85 maintaining continuity with sections in adjacent states.

Williamsburg–Truth or Consequences

Interstate 25 Business marker

Business Loop 11

LocationWilliamsburg–Truth or Consequences
Length5.711 mi[1]: 1  (9.191 km)

Business Loop 11 (BL 11) is a 5.7-mile (9.2 km) business loop serving the cities of Williamsburg and Truth or Consequences in Sierra County. The loop begins at exit 75 of I-25 in Williamsburg, intersecting State Road 187 (NM 187), traveling northeast on Broadway Street through Truth or Consequences until meeting Main Avenue. Between that point and Date Street, the route follows two oneway roads with Broadway carrying northbound traffic and Main conveying traffic to the south. The routes combine and turn north on Date, intersecting the western terminus of NM 51. Turning northwest, the highway intersects NM 181 and terminates at exit 79 on I-25 on the northside of Truth or Consequences.[2]: 1 [3]

Most of the loop, with the exception of its I-25 interchanges, was previously part of US 85, which joined the route from the south at NM 187 and departed to the north along NM 181.[4]: 42–43 

Major intersections

The entire route is in Sierra County.

Locationmi[2]: 1 kmDestinationsNotes
Williamsburg0.0000.000 I-25 / US 85 – Las Cruces, AlbuquerqueSouthern terminus
0.4150.668
 NM 187 south		Northern terminus of NM 187
Truth or Consequences3.5925.781
 NM 51 east (Third Avenue) – Elephant Butte, Engle		Western terminus of NM 51
4.8487.802
 NM 181 north – Elephant Butte State Park		Southern terminus of NM 181
5.7119.191 I-25 / US 85 – Las Cruces, AlbuquerqueNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Socorro

Interstate 25 Business marker

Business Loop 12

LocationSocorro
Length2.879 mi[1]: 1  (4.633 km)

Business Loop 12 (BL 12) is a 2.9-mile (4.7 km) business loop serving the city of Socorro in Socorro County. The loop begins at exit 147 of I-25 and travels northwest along California Avenue until an intersection with the northern terminus of NM 1. The loop turns north as a divided highway as it enters the city. US 60 intersects from the west, and the loop becomes concurrent with US 60 as the pair of highways continue to the north. The loop terminates at exit 150 on I-25, and US 60 continues along the Interstate as it exits Socorro.[2]: 1 [5]

Major intersections

The entire route is in Socorro County.

Locationmi[2]: 1 kmDestinationsNotes
Socorro0.0000.000 I-25 / US 85 – Las Cruces, AlbuquerqueSouthern terminus
​0.3660.589
 NM 1 south		Northern terminus of NM 1
​1.0551.698
 US 60 west (Spring Street) – VLA		Southern end of US 60 concurrency
​2.8794.633
 I-25 / US 60 east / US 85 – Las Cruces, Albuquerque		Northern terminus; northern end of US 60 concurrency
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Belen

Interstate 25 Business marker

Business Loop 13

LocationBelen
Length6.645 mi[1]: 1  (10.694 km)

Business Loop 13 (BL 13) is a 6.6-mile (10.6 km) business loop serving the city of Belen in Valencia County. The loop begins at exit 190 on I-25 and intersects the northern terminus of NM 116 as the highway travels north along Main Street into the city. The western terminus of NM 309 is met in central Belen. The loop continues north to NM 314 then turns northwest before terminating at exit 195 on I-25.[2]: 1–2 [6]

Major intersections

The entire route is in Valencia County.

Locationmi[2]: 1–2 kmDestinationsNotes
Belen0.0000.000 I-25 / US 85 – Socorro, AlbuquerqueSouthern terminus
​0.7001.127
 NM 116 south		Northern terminus of NM 116
​2.3103.718
 NM 309 east (Reinken Avenue)		Western terminus of NM 309
​4.6057.411
 NM 314 north – Los Lunas		Southern terminus of NM 314
​6.64510.694 I-25 / US 85 – Socorro, AlbuquerqueNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Santa Fe

Interstate 25 Business marker

Business Loop 14

LocationSanta Fe
Length9.370 mi (15.080 km)

Business Loop 14 (BL 14) was a 9.37-mile (15.08 km) business loop that served Santa Fe in Santa Fe County. The loop began at exit 278 on I-25 and traveled northeast along NM 14 (Cerrillos Road). It then went east on NM 466 (Saint Michaels Drive), cutting through the southside of Santa Fe. The road ended up as Old Pecos Trail and remained so until reaching I-25 again and terminating at exit 284. The route was decommissioned.[7]

Major intersections

The entire route is in Santa Fe County.

LocationmikmDestinationsNotes
​0.0000.000 I-25 / US 85 / NM 14 (Cerrillos Road)Western terminus; begins concurrency with NM 14
Agua Fria2.7044.352 NM 300 (Rodeo Road) / NM 284 (Airport Road)Western terminus of NM 300; eastern terminus of NM 284
Santa Fe5.5808.980 NM 14 (Cerrillos Road) / NM 466 (St Michaels Drive)Ends concurrency with NM 14; begins concurrency with NM 466
​6.79010.927 US 84 / US 285 (St Francis Drive)Interchanges US 84 and US 285
​9.09314.634 NM 466 (Old Pecos Trail) / NM 300 (Old Las Vegas Hwy.)Intersects NM 300
​9.37015.080 I-25 / US 84 / US 85 / US 285 (Old Pecos Trail) / NM 466Eastern terminus; ends concurrency with NM 466; NM 466 continues south
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Las Vegas

Interstate 25 Business marker

Business Loop 15

LocationLas Vegas
Length4.240 mi[1]: 2  (6.824 km)

Business Loop 15 (BL 15) is a 4.24-mile (6.82 km) business loop serving Las Vegas in San Miguel County. The loop begins at exit 343 of I-25 and travels northeast, intersecting NM 329. The loop continues north, passing to the west of the Las Vegas Intermodal Facility served by the Southwest Chief line of Amtrak, just south of the intersection with NM 104. Continuing north, the highway passes east of Municipal Park before terminating at NM 250 and I-25 at exit 347.[2]: 2–3 [8]

Major intersections

The entire route is in Las Vegas, San Miguel County.

mi[2]: 2–3 kmDestinationsNotes
0.0000.000

 I-25 / Santa Fe Trail Scenic Byway to US 84 south – Santa Fe, Raton		Southern terminus; road continues as Grand Avenue
0.3410.549
 NM 329 north (New Mexico Avenue)		Southern terminus of NM 329

 7th Street / Jackson Street / Santa Fe Trail Scenic Byway to NM 518
2.1173.407
 NM 104 east (University Avenue) – Conchas Lake, Tucumcari		Western terminus of NM 104


 Mills Avenue to NM 518 / NM 65 – Luna Community College		Former NM 329
4.2406.824
 I-25 / NM 250 north – Santa Fe, Springer, Raton		Northern terminus; road continues as NM 250; serves Las Vegas Municipal Airport
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Route transition

Springer

Business Loop 16

LocationSpringer
Length3.430 mi[1]: 2  (5.520 km)

Business Loop 16 (BL 16) is an unsigned 3.4-mile (5.5 km) business loop serving the city of Springer in Colfax County. The loop begins at exit 412 of I-25 and travels northeast along Railroad Avenue. The loop serves as the main north–south road in the town and intersects Fourth Street, which, to the west of the loop is NM 21 and, to the east is US 56 and US 412. Continuing northwest, the loop intersects NM 468 and then runs closely parallel to the Interstate before merging at exit 414.[2]: 3 [9]

Major intersections

The entire route is in Colfax County.

Locationmi[2]: 3 kmDestinationsNotes
​0.0000.000 I-25 (US 85) – Las Vegas, RatonSouthern terminus; I-25 exit 412
Springer1.2582.025

 US 56 / US 412 east (Fourth Street east) / NM 21 west (Fourth Street west) – Miami, Clayton		Western termini of US 56 and US 412; eastern terminus of NM 21
1.8272.940
 NM 468 west – Springer Correctional Facility, Lake Springer		Eastern terminus of NM 468
​3.4305.520 I-25 (US 85) – RatonNorthern terminus; I-25 exit 414
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Raton

Interstate 25 Business marker

Business Loop 17

LocationRaton
Length4.161 mi[1]: 2  (6.696 km)

Business Loop 17 (BL 17) is a 4.2-mile (6.8 km) business loop that begins at exit 450 on I-25 south of Raton in Colfax County concurrent with US 64. The two highways intersect NM 555 then pass east of La Mesa Park, traveling along Second Street north into the city. Clayton Road takes US 64 off of the loop to the east as the loop continues north, crossing over the rail line that serves the Raton Amtrak Station before turning northwest and terminating at exit 454 on I-25.[2]: 4 [10]

Major intersections

The entire route is in Colfax County.

Locationmi[2]: 4 kmDestinationsNotes
Raton0.0000.000
 I-25 / US 64 west / US 85 – Springer, Trinidad, CO		Southern terminus; begin overlay of US 64
0.4400.708
 NM 555 west (York Canyon Road)		Eastern terminus of NM 555
1.6272.618
 US 64 east (Clayton Road) – Clayton, Amarillo, TX		End overlay of US 64
​4.1616.696 I-25 / US 85 / US 87 – Springer, Trinidad, CONorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Colorado

All Interstate business routes in Colorado are maintained by the Colorado Department of Transportation (CDOT). Within Colorado, all highways maintained by the state are classified as state highways, including Interstates and U.S. Highways which hold the same numerical designations as their nationally established routes. The numerical values of all state highway names are followed by an alphabetic suffix, although this convention is used by the department internally and not reflected in route signage. Hence, the mainline of I-25 throughout the length of the state is classified as State Highway 25A while its two business routes in Aguilar and Walsenburg are internally named State Highway 25B and State Highway 25C, respectively. US 85 and US 87 are hidden routes not recognized nor signed by CDOT in southern Colorado. They are, however, established AASHTO routes maintaining continuity with signed portions in other states along their routes. In southern Colorado, the routes primarily follow I-25, including at Aguilar, but with deviations, such as along the Walsenburg business route. In addition to these, US 160 joins I-25 at Walsenburg and follows concurrently with the Interstate to Trinidad, including the portion bypassing Aguilar. Thus, in Walsenburg, US 160 crosses the business route in the town center and again at the business route's southern terminus.

Trinidad

Interstate 25 Business marker

State Highway 25A

LocationTrinidad
Length0.5 mi (800 m)

State Highway 25A (SH 25A) was a business route of I-25 that connected Trinidad in Las Animas County to the Interstate. The 0.5-mile (0.80 km) route began as Animas Street, coming from University Street at a diamond interchange at exit 13 on I-25. The route was concurrent with US 160 along Main Street. The route turned southwest on Main Street and terminated at I-25. In 2009, a reconstruction project involved a replacement of the northbound viaduct crossing the Purgatoire River and more reconstruction in 2011, adding a new diamond interchange at Main Street and I-25 and replacing the antiquated ramps at Animas Street and University Street, which ultimately eliminated the route.[11]

Major intersections

The entire route is in Las Animas County.

LocationmikmDestinationsNotes
Trinidad0.0000.000 I-25 / US 85 / US 87 / US 160 – Trinidad, PuebloNorthern terminus; roadway continues as University Street
​0.0490.079
 US 160 north (Animas Street) – Trinidad		Begin overlay of US 160
​0.20.32
 US 160 south (Main Street) – Trinidad		End overlay of US 160
​0.50.80 I-25 / US 85 / US 87 / US 160 – Trinidad, PuebloSouthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Aguilar

Interstate 25 Business marker

State Highway 25B

LocationAguilar
Length1.981 mi[12] (3.188 km)

State Highway 25B (SH 25B) is a business spur of I-25 connecting the town of Aguilar in Las Animas County to the Interstate. The two-mile (3.2 km) route begins at the corner of Main Street and Fir Street in Aguilar. The spur proceeds for one block north along North Fir Street before turning to the northwest along Lynn Road away from town. The route turns east along County Road 60 immediately before terminating at I-25 exit 34.[12][13]

Major intersections

The entire route is in Las Animas County.

Locationmi[12]kmDestinationsNotes
Aguilar0.0000.000Main Street / S. Fir StreetWestern terminus; roadway continues south as S. Fir Street
​1.9813.188 I-25 / US 85 / US 87 / US 160 – Trinidad, PuebloEastern terminus; roadway continues east as County Road 60
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Walsenburg

Interstate 25 Business marker

State Highway 25C

LocationWalsenburg
Length4.356 mi[14] (7.010 km)

State Highway 25C (SH 25C) is a business loop of I-25 serving the town of Walsenburg in Huerfano County. The 4.4-mile (7.1 km) route begins at I-25 exit 49 and proceeds to the west along the southern edge of Walsenburg. The route then turns to the northwest along Walsen Avenue. At Seventh Street, US 160 intersects from the west US 160 runs concurrently with the loop until US 160 turns off to the east along Fifth Street to I-25. The loop then continues northeast along Walsen Avenue, leaving town, and intersects SH 69 before terminating at I-25 exit 52.[14][15]

CDOT does not recognize or sign US 85 in the southernmost part of its route within the state, nor does it recognize US 87 anywhere within Colorado, as they are redundant with other routes in the state highway system.[16] The highways remain established by AASHTO primarily along I-25 in southern Colorado and along Walsenburg's I-25 business route.[17]

Major intersections

The entire route is in Huerfano County.

Locationmi[14]kmDestinationsNotes
Walsenburg0.0000.000

 I-25 / US 85 south / US 87 south / US 160 – Trinidad, Pueblo		Southern terminus; begin overlay of US 85 / US 87
1.3972.248
 US 160 west (Seventh Street) – Alamosa		Begin overlay of US 160
1.5422.482
 US 160 east (Fifth Street)		End overlay of US 160
​3.6695.905
 SH 69 west – Westcliffe		Eastern terminus of SH 69
​4.3567.010

 I-25 / US 85 north / US 87 north – Trinidad, Pueblo		Northern terminus; end overlay of US 85 / US 87
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Colorado Springs

Interstate 25 Business marker

State Highway 25 Business

LocationColorado Springs, Colorado
Length6.750 mi (10.863 km)

State Highway 25 Business (SH 25 Bus.) was a business loop of I-25 that served downtown Colorado Springs and Northeast Colorado Springs. The route started at exit 140 on I-25 and ran along with Nevada Avenue. This route was also part of the CanAm Highway. It was a four-lane divided street that took a straight shot through downtown going north. The route terminated at exit 148 at I-25. In 2007, actions were taken to decommission the route, along with SH 38 and portions of SH 83, in an effort to add the alignment of SH 21 (Powers Boulevard).[18]

Major intersections

The entire route is in El Paso County.

LocationmikmDestinationsNotes
Colorado Springs0.0000.000 I-25 / US 24 / US 85 / US 87Southern terminus
​6.75010.863 I-25 / US 85 / US 87Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Castle Rock

Interstate 25 Business marker

State Highway 25 Business

LocationCastle Rock
Length1.200 mi (1.931 km)

State Highway 25 Business (SH 25 Bus.) was a business loop that served the westside of Castle Rock. The route began at exit 181 as Plum Creek Pkwy and headed northwest. It then turned northeast on County Road 46 (Wolfensburger Road), heading back to the Interstate, and then terminated at exit 182 as Wilcox Street. The route was decommissioned in 1996 and was likely unsigned.[19]

Major intersections The entire route is in Douglas County.

LocationmikmDestinationsNotes
Castle Rock0.0000.000 I-25 / US 85 / US 87Southern terminus
​1.2001.931 I-25 / US 85 / US 87Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Wyoming

All business routes of I-25 within Wyoming are maintained by the Wyoming Department of Transportation (WyDOT). Wyoming has no naming convention for disambiguation between different business routes with all designated simply as I-25 Business (I-25 Bus.) along the Interstate. I-25 has seven business routes within the state. Road concurrences are frequent in Wyoming, and the seven business highways often overlay multiple other highways, including U.S. Highway 87 Business (US 87 Bus.), wholly or partly at most of these seven locations, as US 87 largely follows I-25 throughout the state.

Cheyenne

Interstate 25 Business marker

Interstate 25 Business

LocationCheyenne
Length8.006 mi[20]: 101–102  (12.884 km)

Business plate.svg

U.S. Highway 87 Business marker

U.S. Highway 87 Business

LocationCheyenne

Interstate 25 Business (I-25 Bus.) and U.S. Highway 87 Business (US 87 Bus.) are business loops serving the city of Cheyenne in Laramie County. The eight-mile (13 km) multiplexed highway begins at exit 7 of I-25/US 87 and is routed along Wyoming Highway 212 (WYO 212) and named College Drive. At just over 2.5 miles (4.0 km), US 85 is intersected. Here, I-25 Bus. leaves WYO 212, turns north onto US 85, and remains paired with it until its end. I-25 Bus./US 85/US 87 Bus. enter Cheyenne from the south and intersect I-80 at exit 362. At this point, I-180 begins. Despite the Interstate designation, the I-180 portion is not a freeway. The I-180 concurrency only lasts for just over one mile (1.6 km) as I-180 ends at I-80 Bus./US 30 along Lincolnway. I-25 Bus. continues north with US 85 and US 87 Bus. now as a oneway couplet through central Cheyenne northbound as Warren Avenue and southbound as Central Avenue. Near the Cheyenne Regional Airport, the oneway streets combine and continue as Central Avenue before intersecting the southern terminus of WYO 219 at Yellowstone Road. I-25 Bus. and US 87 Bus. terminate at exit 12 of I-25/US 87. Here, US 85 joins those routes northbound.[20][21]

Major intersections

The entire route is in Laramie County.

Locationmi[20]: 101–102 kmDestinationsNotes
​0.0000.000 I-25 (US 87) – Ft. Collins

 WYO 212 begins		Braided interchange; southern terminus of I-25 BL/US 87 Bus.; exit 7 on I-25; south end of WYO 212 concurrency; road continues as Clear Creek Parkway
South Greeley2.7054.353

 US 85 south (South Greeley Highway south) / WYO 212 east (College Drive east) – Greeley, Laramie County Community College		North end of WYO 212 concurrency; south end of US 85 concurrency
Cheyenne3.8986.273

 I-80 to US 30 west – Rock Springs, Sidney

 I-180 begins		South end of I-180 concurrency; exit 362 on I-80
See I-180
5.1388.269
 I-180 ends
I-80 BL / US 30 (Lincolnway)		North end of I-180 concurrency
7.18811.568 WYO 219 (Yellowstone Road)Southern terminus of WYO 219
8.00612.884
 US 85 north / I-25 / US 87 / Central Avenue (WYO 224) – Fort Collins, Torrington, Casper, Wyoming Department of Transportation, Game and Fish, Warren AFB, National Guard		Northern terminus of I-25 BL/US 87 Bus.; exit 12 on I-25; north end of US 85 concurrency; road continues west as Central Avenue (WYO 224)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Chugwater
Main article: Wyoming Highway 321

Wyoming Highway 321 marker

Wyoming Highway 321

LocationChugwater
Length3.28 mi[22] (5.28 km)

Interstate 25 Business (I-25 Bus.) is a business route signed as Wyoming Highway 321 (WYO 321) and serving the town of Chugwater in southeastern Platte County, Wyoming. The highway begins at exit 54 of I-25/US 87. At this interchange lies the northern terminus of WYO 211. Here, I-25 Bus. travels east past the Chugwater rest area. At 0.6 miles (0.97 km) is the western terminus of WYO 313. Less than three miles (4.8 km) later, I-25 Bus. (WYO 321) reaches I-25/US 87 at exit 57, where they both end.[22] WYO 321 is signed from the freeway as I-25 Bus. and serves as a de facto business route; however, I-25 Bus. is not signed anywhere along WYO 321.[23]

Wheatland

Interstate 25 Business marker

Interstate 25 Business

LocationWheatland
Length2.95 mi[24] (4.75 km)

Business plate.svg

U.S. Highway 87 Business marker

U.S. Highway 87 Business

LocationWheatland

Interstate 25 Business (I-25 Bus.) and U.S. Highway 87 Business (US 87 Bus.) are concurrent business loops serving the town of Wheatland in central Platte County, Wyoming. I-25 Bus./US 87 Bus. begin at exit 78 of I-25/US 87. Here, I-25 Bus./US 87 Bus. begin on a short section of Mariposa Pkwy but then turn north onto South Wheatland Highway for 0.3 miles (0.48 km). WYO 310 and WYO 312 are then intersected as the business routes turn east along South Street. The business routes turn north 0.5 miles (0.80 km) later onto 9th Street and intersect WYO 316 (Gilchrist Street) shortly after. Further north, the southern terminus of WYO 320 is intersected as the business loops become South Swanson Road. At 2.95 miles (4.75 km), I-25 Bus./US 87 Bus. meet I-25/US 87 at exit 80 where they end.[24][25][26]

Major intersections

The entire route is in Platte County.

LocationmikmDestinationsNotes
Wheatland0.0000.000 I-25 / US 87 – Cheyenne, DouglasSouthern terminus of I-25 BL/US 87 Bus.; I-25 exit 78; road continues west as Mariposa Parkway
0.5900.950 WYO 312 (South Street west) / WYO 310 (16th Street north)Northern terminus of WYO 312; western terminus of WYO 310
1.2792.058 WYO 316 (Gilchrist Street)Western terminus of WYO 316
2.1983.537 WYO 320 – Laramie River Power Station, Grayrocks ReservoirSouthern terminus of WYO 320
​2.954.75 I-25 / US 87 – Cheyenne, DouglasNorthern terminus of I-25 BL/US 87 Bus.; I-25 exit 80; road continues west, unpaved, as Swanson Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Douglas

Interstate 25 Business marker

Interstate 25 Business

LocationDouglas
Length4.966 mi[20]: 65  (7.992 km)

Interstate 25 Business (I-25 Bus.), U.S. Highway  20 Business (US 20 Bus.), U.S. Highway 26 Business (US 26 Bus.), and U.S. Highway 87 Business (US 87 Bus.) are concurrent five-mile (8.0 km) business loops serving the town of Douglas in southern Converse County. I-25 Bus./US 20 Bus./US 26 Bus./US 87 Bus. begin at exit 135 of I-25/US 20/US 26/US 87 southeast of Douglas. The loops follow East Richards Street into Douglas. At South 4th Street, the loops turn north through Douglas. The loops turn west onto Center Street one mile (1.6 km) later, which becomes Yellowstone Highway. Near their end, the northern terminus of WYO 94 and the southern terminus of WYO 59 are intersected at Riverbend Drive. Past that intersection, the business routes rejoin I-25/US 20/US 26/US 87 at exit 140.[20]: 65 [27]

Center Street—Douglas, WY
Major intersections

The entire route is in Converse County.

Locationmi[20]: 65 kmDestinationsNotes
​0.0000.000 I-25 / US 20 / US 26 / US 87 – Cheyenne, CasperSouthern terminus of I-25 Bus./US 87 Bus., eastern terminus of US 20 Bus./US 26 Bus.; exit 135 on I-25
Douglas4.5997.401


 WYO 59 north / WYO 94 south (Riverbend Drive) to WYO 91 – Gillette, Esterbrook, Law Enforcement Academy, Eastern Wyoming College Douglas Campus		Southern terminus of WYO 59; northern terminus of WYO 94
4.9667.992 I-25 / US 20 / US 26 / US 87 – Cheyenne, CasperNorthern terminus of I-25 Bus./US 87 Bus., western terminus of US 20 Bus./US 26 Bus.; exit 140 on I-25
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Glenrock

Interstate 25 Business marker

Interstate 25 Business

LocationGlenrock
Length6.98 mi[28] (11.23 km)

Interstate 25 Business (I-25 Bus.) is a business route serving the town of Glenrock in Converse County, Wyoming. I-25 Bus. begins at exit 165 of I-25. The business route travels north, concurrent with WYO 95, into Glenrock on Deer Creek Road and then South 4th Street. At approximately two miles (3.2 km), I-25 Bus./WYO 95 intersect US 20/US 26/US 87. Here, I-25 Bus. turns east onto Birch Street to travel with US 20/US 26/US 87 for the remainder of its route, while WYO 95 turns west onto Birch Street. I-25 Bus. continues east out of Glenrock, intersecting the northern terminus of WYO 90 (Boxelder Road), before reaching its eastern end at exit 160 of I-25. US 20/US 26/US 87 join eastbound I-25.[28][29]

Major intersections

The entire route is in Converse County.

LocationmikmDestinationsNotes
​0.0000.000

 US 20 / US 26 east / US 87 south / I-25 – Douglas, Casper		Eastern terminus; west end of concurrency with US 20/US 26/US 87; I-25 exit
Glenrock4.9007.886

 US 20 / US 26 west / US 87 north (WYO 95 north)		East end of concurrency with US 20/US 26/US 87; west end of concurrency with WYO 95
​6.9811.23
 WYO 95 ends / I-25 – Douglas, Casper		Western terminus of I-25 BL; west end of concurrency with WYO 95; southern terminus of WYO 95; I-25 exit 165; road continues as CR 19 (Don't Litter)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Casper

Interstate 25 Business marker

Interstate 25 Business

LocationCasper
Length2.180 mi[20]: 115–116  (3.508 km)

Interstate 25 Business (I-25 Bus.) is a business loop serving the city of Casper in eastern Natrona County. The 2.2-mile (3.5 km) loop begins at exit 188A of I-25, heading south on Center Street along with US 20 Bus. and unsigned WYO 255. The loop turns left onto 1st Street, where it joins US 20 Bus. and US 26 Bus. WYO 251 intersects the loop from the south along Wolcott and Durbin streets before US 20/US 26/US 87 depart on Yellowstone Highway and their respective business routes end. There, I-25 Bus. turns north along Bryan Stock Trail, where eastbound US 20/US 26 and southbound US 87 are concurrent with I-25 Bus. westbound. The loop ends at exit 186 of I-25.[20]: 115–116 [30]

Major intersections

The entire route is in Casper, Natrona County.

mi[20]: 115–116 kmDestinationsNotes
0.0000.000
 US 87 Bus. / WYO 255 begin / I-25 / US 20 / US 26 / US 87 – Buffalo, Shoshoni, Cheyenne		Western terminus of I-25 BL/US 87 Bus.; west end of unsigned WYO 255 concurrency; northern terminus of unsigned WYO 255; exit 188A on I-25; road continues north as Center Street
0.4800.772


 US 20 Bus. / US 26 Bus. west (1st Street west) / WYO 255 ends		West end of US 20 Bus./US 26 Bus. concurrency; east end of unsigned WYO 255 concurrency
0.5460.879Wolcott Street (WYO 251 south)One-way street, outbound access only
Durbin Street (WYO 251)One-way street, inbound access only
2.1303.428




 US 20 / US 26 east / US 87 south (Yellowstone Highway east) / US 20 Bus. / US 26 Bus. / US 87 Bus. end		Eastern terminus of US 20 Bus./US 26 Bus./US 87 Bus.; east end of US 20 Bus./US 26 Bus./US 87 Bus. concurrency
2.1803.508

 I-25 / US 87 north / US 20 / US 26 west – Buffalo, Shoshoni		Eastern terminus; east end of westbound concurrency with US 20/US 26/US 87; exit 186 on I-25; road continues north as Bryan Stock Trail; access to I-25 south via US 20/US 26 east/US 87 south (Yellowstone Hwy. east)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Buffalo

Interstate 25 Business marker

Interstate 25 Business

LocationBuffalo
Length1.673 mi[20]: 94  (2.692 km)

Interstate 25 Business (I-25 Bus.) is a business spur serving the city of Buffalo in Johnson County that runs concurrently with US 87 Bus. The 1.7-mile (2.7 km) spur begins at exit 298 of I-25/US 87 south of Buffalo. I-25 Bus. intersects WYO 196 0.5 miles (0.80 km) into its route as it follows Main Street into Buffalo. US 16 joins the spur at Fort Street one mile (1.6 km) later. US 16 has a short 0.5-mile (0.80 km) concurrency with the spur until Hart Street, where it turns east along I-90 Bus. where I-25 Bus. terminates. I-90 Bus. approaches the intersection from the north along the northern extension of US 87 Bus.[20]: 94 [31]

Major intersections

The entire route is in Johnson County.

Locationmi[20]: 94 kmDestinationsNotes
​0.0000.000


 US 87 Bus. begins / I-25 / US 87 to I-90 – Gillette, Sheridan, Casper		Southern termini of I-25 Bus. and US 87 Bus.; south end of US 87 Bus. concurrency
Buffalo0.4260.686 WYO 196Northern terminus of WYO 196
1.2562.021
 US 16 west (Fort Street) – Worland, Yellowstone		South end of US 16 concurrency
1.6732.692


 US 16 east (I-90 BL east) to I-25 / I-90 / Main Street north ( I-90 BL west / US 87 Bus. north)		Northern terminus; north end of US 16/US 87 Bus. concurrency; highway continues north as Main Street (I-90 Bus. west/US 87 Bus. north)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References
  1. Staff, Data Management Bureau (March 16, 2010). "Posted Route–Legal Description; Business Loops" (PDF). New Mexico Department of Transportation. Retrieved September 10, 2014.
  2. Staff, Data Management Bureau (March 27, 2014). "TIMS Road Segments by Posted Route/Point with AADT Info; BL, I, ICR, IX-Routes" (PDF). New Mexico Department of Transportation. Archived from the original (PDF) on September 3, 2014. Retrieved September 10, 2014.
  3. Google (September 11, 2014). "Overview of Business Loop 11" (Map). Google Maps. Google. Retrieved September 11, 2014.
  4. Staff, Data Management Bureau (March 16, 2010). "Posted Route–Legal Description; New Mexico Routes Sorted by Routes" (PDF). New Mexico Department of Transportation. Archived from the original (PDF) on December 3, 2020. Retrieved September 14, 2014.
  5. Google (September 11, 2014). "Overview of Business Loop 12" (Map). Google Maps. Google. Retrieved September 11, 2014.
  6. Google (September 12, 2014). "Overview of Business Loop 13" (Map). Google Maps. Google. Retrieved September 12, 2014.
  7. "Business Route 25".
  8. Google (September 12, 2014). "Overview of Business Loop 15" (Map). Google Maps. Google. Retrieved September 12, 2014.
  9. Microsoft; Nokia (September 12, 2014). "Overview of Business Loop 16" (Map). Bing Maps. Microsoft. Retrieved September 12, 2014.
  10. Google (September 12, 2014). "Overview of Business Loop 17" (Map). Google Maps. Google. Retrieved September 12, 2014.
  11. "Business Route 25".
  12. Staff, Online Transportation Information System. "Highway 025B between 0 and 1.948". Colorado Department of Transportation. Archived from the original on 2012-09-10. Retrieved September 15, 2014.
  13. Google (September 15, 2014). "Overview of State Highway 25B" (Map). Google Maps. Google. Retrieved September 15, 2014.
  14. Staff, Online Transportation Information System. "Highway 025C between 0 and 4.039". Colorado Department of Transportation. Archived from the original on 2012-09-10. Retrieved September 15, 2014.
  15. Google (September 15, 2014). "Overview of SH 25C" (Map). Google Maps. Google. Retrieved September 15, 2014.
  16. Staff, Online Transportation Information System. "Highway Data Explorer". Colorado Department of Transportation. {{cite web}}: Missing or empty |url= (help)
  17. Staff, Special Committee on U.S. Route Numbering (December 2009). "U.S. Route Number Database". American Association of State Highway and Transportation Officials. Archived from the original on July 14, 2011. Retrieved September 14, 2014.
  18. "Business Route 25".
  19. "Business Route 25".
  20. Maintenance Staff (February 15, 2013). "2013 Maintenance Section Reference Book" (PDF). Wyoming Department of Transportation. Retrieved September 17, 2014.
  21. Google (September 21, 2014). "Overview of I-25 Bus. in Cheyenne" (Map). Google Maps. Google. Retrieved September 21, 2014.
  22. Overview Map of I-25 Business (Chugwater) (Map). Yahoo Maps. Retrieved 2011-04-10.
  23. WYO 321/I-25 Business - Chugwater
  24. Overview Map of I-25 Business (Wheatland) (Map). Yahoo Maps. Retrieved 2011-04-10.
  25. Wyoming Department of Transportation Reference Marker Book — November 2004 (PDF) (Map). WYDOT. Archived from the original (PDF) on 2011-07-17. Retrieved 2011-04-14.
  27. Google (September 22, 2014). "Overview of I-25 Bus. in Douglas" (Map). Google Maps. Google. Retrieved September 22, 2014.
  28. Overview Map of I-25 Business (Glenrock) (Map). Yahoo Maps. Retrieved 2011-04-15.
  30. Google (September 23, 2014). "Overview of I-25 Bus. in Casper" (Map). Google Maps. Google. Retrieved September 23, 2014.
  31. Google (September 22, 2014). "Overview of I-25 Bus. in Buffalo" (Map). Google Maps. Google. Retrieved September 22, 2014.
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