Business Loop I-25 branches west from I-25 at Exit 298 along Main Street. The route enters the Buffalo business district and combines with U.S. 16 at Fort Street. The tandem overlap for 0.4 miles to Hart Street, which leads U.S. 16 east along side Business Loop I-90 to I-25 at Exit 299 and I-90 at Exit 58.

Continuing north from Hart Street, Business Loop I-25 & I-90 run concurrently with U.S. 87 Business to a half diamond interchange (Exit 56A) with Interstate 90. Business Loop I-25 is acknowledged on I-90 eastbound guide signs, despite extending further north than its adjacent parent route.

Business Loop I-25 Mileage and Junction List

Business Loop I-25-U.S. 87 Business north
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Business Loop I-25 & U.S. 87 Business commence northward from a diamond interchange (Exit 298) with Interstate 25 just outside the Buffalo city limits. Photos taken 08/15/14.
The first shields for Business Loop I-25 & U.S. 87 Business follow as Main Street heads west toward WYO 196 (Old Highway 87). Photo taken 08/07/16.
Wyoming 196 parallels Interstate 25 south along Old U.S. 87 to Kaycee. Photo taken 08/07/16.
South Bypass Road extends north from the end of WYO 196 at Business Loop I-25 to circumvent Buffalo to the east. Photo taken 08/07/16.
Main Street curves northwest from WYO 196 ahead of the Buffalo street grid. Photo taken 08/07/16.
The city of Buffalo was home to 4,590 as of 2016 and is the gateway to the Bighorn Mountains. Buffalo, like most of the cities in northern Wyoming, rests at a lower elevation (4,645 feet above sea level) than the cities along the Interstate 80 corridor. Photo taken 08/07/16.
Another set of reassurance markers for Business Loop I-25 & U.S. 87 Business stand at Main and Brock Streets in south Buffalo. Photo taken 08/07/16.
Business Loop I-25 (Main Street) north at Parmalee Street. Photo taken 08/07/16.
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Lowering toward Clear Creek, Business Loop I-25 enters Downtown Buffalo. Due to the limited sight distance and curvature of Main Street, speed limits reduce to 20 miles per hour along the business route. Photos taken 08/07/16.
Business Loop I-25 & U.S. 87 Business (Main Street) approach the first intersection with U.S. 16 at Fort Street. This assembly was removed by 2009. Photo taken 09/01/04.
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West from Buffalo, U.S. 16 follows Cloud Peak Skyway over Powder River Pass (el. 9,666 feet) in the southern Bighorn Mountains. Despite this high elevation, the pass is kept open year-round except during certain winter storms. Photos taken 08/07/16.
Business Loop I-25-U.S. 87 Business north & 16 east
Trailblazers for I-25 and I-90 take the place of further reassurance markers for Business Loop I-25 north, and forthcoming Business Loop I-90. U.S. 16 overlaps with Business Loop I-25 north for 0.4 miles to Hart Street east. Photo taken 08/07/16.
Main Street north at Foote Street. Traffic to I-90 west & U.S. 87 north is directed to remain on Business Loop I-25 to its end. Photo taken 08/07/16.
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U.S. 16 branches east from Business Loop I-25 (Main Street) to combine with Business Loop I-90 (Hart Street) east to both I-25 and I-90. Photos taken 08/07/16.
Business Loop I-25-U.S. 87 Business north & Business Loop I-90 west
Business Loop I-25/I-90 overlap with U.S. 87 Business for 1.7 miles north along Main Street. This shield assembly stands just beyond Hart Street. Photo taken 08/07/16.
Main Street bends eastward away from the Buffalo street grid ahead of the Johnson County Fairgrounds. Photo taken 08/07/16.
North Bypass Road (former WYO 196) returns to Business Loop I-25 (Main Street) beyond this sign advising travelers of inclement weather closures for I-90 west. Photo taken 08/07/16.
Continuing past Airport Road (CR 212), motorists see the final shield assembly for U.S. 87 Business. Photo taken 08/07/16.
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Business Loops I-25/90 and U.S. 87 collectively end at the half diamond interchange with Interstate 90 & U.S. 87. U.S. 87 combines with I-90 west from the adjacent end of I-25 toward Story as both head northwest to Sheridan. Photos taken 08/07/16.
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Johnson County 1 (Rock Creek Road) follows Old U.S. 87 north from the business route end. The county road converges with Interstate 90 & U.S. 87 at the succeeding interchange (Exit 53) north. Photos taken 08/07/16.
Business Loop I-25-U.S. 87 Business south & Business Loop I-90 east
Johnson County 1 (Rock Creek Road) leads south directly into the half diamond interchange with I-90 & U.S. 87. Business Loops I-25/90 take over for the route south along Main Street. Photo taken 08/07/16.
Business Loops I-25/90 emerge from the eastbound off-ramp (Exit 56A) of I-90 east & U.S. 87 south. Photo taken 08/07/16.
Main Street travels south between ranch land and industrial businesses ahead of the Buffalo city limits. The first confirming markers for each route stand along this stretch. Photo taken 08/07/16.
U.S. 87 Business appears on the subsequent shield assembly for Business Loops I-25/90 southbound. The trio lower toward French Creek and the Johnson County Fairgrounds. Photo taken 08/07/16.
Crossing French Creek, Main Street enters Buffalo. The city of over 4,500 sites at 4,645 feet above sea level. Photo taken 08/07/16.
Airport Road (CR 212) winds southeast from Johnson County Airport (BYG) to intersect Business Loops I-25/90 across from Fairgrounds Road. A shield assembly posted here erroneously includes a TO banner for Business Loop I-25 south. Photo taken 08/07/16.
Confirming shield for Johnson County 212 posted along Airport Road at Main Street. Photo taken 08/07/16.
Main Street shifts westward into the Buffalo street grid ahead of U.S. 16 & Business Loop I-90 (Hart Street) east. Photo taken 08/07/16.
Hart Street extends west from Business Loops I-25/90 (Main Street) as a residential street at this shield assembly. Although unmarked, Business Loop I-90 combines with U.S. 16 east at the succeeding traffic light, following Hart Street to I-25. Photo taken 08/07/16.
U.S. 16 (Hart Street) constitutes a commercial arterial east from Main Street to I-90. U.S. 16 continues beyond the ending Business Loop I-90 to U.S. 14 near Ucross. Photo taken 08/07/16.
Business Loop I-25-U.S. 87 Business south & 16 west
U.S. 16 west overlaps with Business Loop I-25 & U.S. 87 Business (Main Street) south for 0.4 miles to Downtown Buffalo. Photo taken 08/04/16.
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U.S. 16 parts ways with Business Loop I-25 (Main Street) for Fort Street west. U.S. 16 travels from Buffalo to Worland in the Bighorn Basin, then turns north via U.S. 20 & Wyoming 789 to Greybull. Beyond Greybull, U.S. 14-16-20 overlap west into Yellowstone National Park via the East Entrance. Photo taken 08/05/16. Second photo taken 08/04/16.
Business Loop I-25 & U.S. 87 Business south
Corrected by 2007 to remove the trailblazer for I-90, the subsequent confirming marker for Business Loop I-25 south stands just beyond Fort Street (U.S. 16 west). Photo taken 09/01/04.
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Main Street navigates through Historic Downtown Buffalo. Points of interest here include the Occidental Hotel, Johnson County Court House and the Jim Gatchell Museum. Notably, Buffalo is the smallest town in the United States to have a YMCA. Photo taken 08/15/14. Second photo taken 08/04/16.
Flowing through the Downtown Buffalo is Clear Creek, which drains from the Bighorn Mountains. Photo taken 08/15/14.
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Heading south from Downtown Buffalo at Bennett Street, trailblazers to I-25 take the place of shields for Business Loop I-25. Replacement of this assembly by 2007 removed the erroneous reference for I-90. Photo taken 09/01/04. Second photo taken 08/15/14.
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Business Loop I-25 & U.S. 87 Business (Main Street) south between Keays and Brock Streets. Photo taken 09/01/04. Second photo taken 08/15/14.
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Leaving the Buffalo street grid, Main Street curves southeast to intersect the north end of Wyoming 196 at South Bypass Road. Wyoming 196 follows old Highway 87 south to Kaycee. Photos taken 08/15/14.
Business Loop I-25 (Main Street) ends one half mile east of Wyoming 196 at Interstate 25. Photo taken 08/15/14.
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Entering the diamond interchange (Exit 298) with Interstate 25 along Main Street south. I-25 & U.S. 87 venture south 43 miles to Kaycee and 110 miles to Casper. Photo taken 08/15/14. Second photo taken 08/07/16.
Interstate 25 concludes in 2.7 miles at a directional T interchange with I-90 just north of the Buffalo city limits. Photo taken 08/15/14.
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Previous guide signs used at the south end of Business Loop I-25 & U.S. 87 Business outside Buffalo. Photos taken 09/01/04.



Photo Credits:

09/01/04, 08/15/14, 08/04/16, 08/05/16, 08/07/16 by AARoads

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Page Updated 01-18-2018.