Natrona County, Wyoming

US-20/US-26 West at WY-257/To WY-220 (Casper West Belt Loop) and Bus. US-20/Bus. US-26 (not signed). Turn right to continue west on US-20/US-26 to Shoshoni.

Distance marker on US-20/US-26 West. Distance to Powder River and Shoshoni.

I-25 north at Exit 189 - US-20/US-26 West/To WY-220/Shoshoni/Port of Entry. Continue north on I-25/US-87 to Midwest and Buffalo. US-20/US-26 West leave I-25 northbound.

I-25 North at Exit 188B - Poplar St (WY-220). Approaching Exit 189 - US-20/US-26 West/To WY-220/Rawlins - Shoshoni. WY-220 is routed along Poplar St. but through traffic on WY-220, towards Rawlins, is encouraged to use Exit 189 and to follow US-20/US-26 and the West Casper Belt Route to bypass downtown Casper.

I-25 north at Exit 188A - Center St (BL-25/Bus. US-87). Approaching Exit 188B - Poplar St (WY-220). Poplar Street used to have the WY-220 shield on the exit, until the eastern Casper bypass was completed. WY-220 traffic is encouraged to continue north on I-25 to Exit 189 and to follow US-20/US-26 and WY-257.

I-25 north at Exit 187 - McKinley Street. Approaching Exit 188 - Center St.

I-25 north at Exit 186 - BL-25/Bus. US-20/Bus. US-26/Bus. US-87/North Beverly Street/Bryan Stock Trail. US-20/US-26/US-87 join I-25 northbound. This is the southern end of the Casper business loop. The BL-25 shield has mistakenly been replaced with an I-25 shield.

I-25 north approaching Exit 185 - Wyoming Blvd./Evansville. Wyoming Blvd. acts as a beltway around the the eastern, southern, and western parts of Casper. Wyoming Blvd. is signed as WY-258.

End WY-257 North at US-20/US-26 and Bus. US-20/Bus. US-26. Continue straight for US-20/US-26 East/To I-25/US-87 to Port of Entry. Turn right for Bus. US-20/US-26 East. Turn left for US-20/US-26 West.

WY-257 North at US-20/US-26/Bus. US-20/Bus. US-26 in Casper. Turn left for US-20/US-26 West to Shoshoni. Continue straight for US-20/US-26 East to I-25/US-87 to Sheridan and Cheyenne. Turn right for Bus. US-20/Bus. US-26 (Yellowstone Highway). WY-257 north ends here.

WY-257 North in Natrona County. WY-257 is the belt line around the west side of Casper.

WY-220 East approaching WY-257. WY-257 is a bypass around the west side of Casper. Use WY-257 north for I-25/US-20/US-26/US-87 to Sheridan (via I-25 North), Cheyenne (via I-25 South) and Shoshoni (via US-20/US-26 West).

WY-220 west at WY-487 south to Medicine Bow. Continue west on WY-220 for Alcova and Rawlins.

WY-220 west at WY-487 south.

WY-220 West (CY Ave) approaching WY-258 (Wyoming Blvd). WY-258 is the belt line across the south side of Casper.

WY-220 west at Business US-20/Business US-26 (1st Ave) in Casper.

I-25 North at Exit 188B, WY-220 Jct. Turn left for WY-220 West towards S. Poplar St., Fort Casper, and Nicolaysen Art Museum. Turn north on Poplar St. for the Casper Planetarium.

I-25 North at Exit 188B - WY-220 West/Poplar St. Approaching Exit 189 - US-20/US-26 West/Shoshoni. Continue north on I-25/US-87 North for Midwest.

I-25 north at Exit 188A - Center St. Approaching Exit 188B - WY-220 West/Poplar St. Center St. is the northern end of Business I-25 and Business US-87.

I-25/US-87 North/US-20/US-26 West Exit 187 onramp in Casper.

I-25/US-87 North/US-20/US-26 West at Exit 187 - Mc Kinley St. Approaching Exit 188A - Center St.

I-25 South/US-20 East/US-26 East/US-87 South at Bryan Stock Trail. US-20/US-26/US-87 leave I-25 south here. Turn left to return north on I-25 towards Midwest and Shoshoni.

I-25 South/US-20 East/US-26 East/US-87 South at Bryan Stock Trail. US-20/US-26/US-87 leave I-25 south here. Turn right for US-20/US-26 west and US-87 south. Continue ahead for I-25 south for Cheyenne.

I-25/US-87 South/US-20/US-26 East approaching Exit 186 - US-20/US-26 East/US-87 South/North Beverly St./Bryan Stock Trail. I-25 continues south towards Cheyenne.

I-25 south approaching Exit 187 - McKinley St. Approaching Exit 186 - US-20 East/US-26 East/US-87 South/N. Beverly St./Bryan Stock Trail. I-25 continues south towards Cheyenne.

I-25 south at Exit 188A - BL-25/BL-87/Center St. Approaching Exit 187 - McKinley St. Exit 187 is signed as I-25 and US-87 south, but this is an error. Neither highway exit at McKinley St.

I-25 south at Exit 188B - WY-220 West/Poplar St. Approaching Exit 188A - BL-25/BL-87/Center St.

I-25/US-87 South at Exit 187 - US-20/US-26 West/Shoshoni/Port of Entry. Approaching Exit 188B - WY-220 West/Poplar St. Also approaching Exit 188A - BL-25 South/Center St. US-20/US-26 join I-25/US-87 south through Casper at this interchange.

I-25/US-87 South - Exit 189 - US-20/US-26 West/Shoshoni/Airport. US-20/US-26 joins I-25 south through Casper.

I-25 south at Exit 191 - Wardwell Road. This is the first exit along I-25 in the Casper area.

Directions for Independence Rock State Historic Site on I-25/US-87 South. Use WY-220 via Exit 188B for Independence Rock State Historic Site.

I-25/US-87 South approaching Exit 197 - Ormsby Road.

I-25 South at Exit 210 - Horse Ranch Creek Road. This is also the intersection with WY-259, although it is not signed in this direction.

I-25/US-87 south approaching Exit 216 - Ranch Road.

I-25 South at Exit 223 (No Name). This is one of the few unnamed interchanges in Wyoming. The Wyoming DOT Milepost Reference publication calls this the Midwest Interchange.

I-25 south at Exit 182 - Brooks/Hat Six Road. This is a temporary exit sign. When this was taken the southbound lanes were being reconstructed, and all traffic was on the northbound lanes.

Use Exit 185 for WY-258/Casper College on I-25 south.

I-25 south approaching Exit 185 - Wyoming Blvd./Evansville.

I-25 south at Exit 186 - US-20 East/US-26 East/US-87 South/Beverly St./Bryan Stock Trail.

I-25 south approaching Exit 186 - US-26 East/US-20 East/US-87 South/Beverly St./Bryan Stock Trail.

I-25 south approaching Exit 187 - McKinley St. Approaching Exit 186 - US-20 East/US-26 East/US-87 South/N. Beverly St./Bryan Stock Trail. I-25 south Cheyenne overhead.

I-25 south at Exit 188A - BL-25/BL-87/Center St. Approaching Exit 187 - McKinley St. Exit 187 is signed as I-25 and US-87 south, but this is an error. Neither highway exit at McKinley St.

I-25 south at Exit 188B - WY-220 West/Poplar St. Approaching Exit 188A - BL-25/BL-87/Center St.

US-20/US-26 East at I-25/US-87. Use I-25 North/US-87 North to Midwest; turn right for I-25 South/US-87 South/US-20/US-26 East to Casper and Cheyenne. US-20/US-26 joins I-25 south through Casper.

US-20/US-26 East approaching I-25/US-87. Use I-25/US-87 south for Casper and Cheyenne. Use I-25/US-87 north for Midwest. Continue straight for Events Center and Historic Trails Center.

US-20/US-26 East at Casper freeway entrance. Turn left for US-20/US-26 East/To I-25/US-87 to Casper and Midwest. Continue straight for Bus. US-20/US-26 East/To BL-25/To US-87/To WY-220 - Casper Business Loop.

US-20/US-26 East approaching freeway spur to I-25. Turn left for US-20/US-26 East/To I-25/To US-87 to Casper/Midwest/Events Center.

BL-25/BL US-20/BL US-26/BL US-87/Beverly St./Bryan Stock Trail Exit on I-25 North

US-20/US-26/Shoshoni/Port of Entry Exit on I-25 North

WY-387 south approaching WY-259. Continue ahead (via county road) for Midwest. Turn right to continue on WY-387 south for Kaycee and Casper. Destinations via WY-259 (left turn) are not signed.

I-25 north at Exit 182 - Brooks/Hat Six Road. This is the first exit northbound of the Casper metropolitan area.

Begin WY-387 north at I-25/US-87. Use I-25 South/US-87 South for Casper. I-25 North/US-87 North is signed for Midwest, where actually WY-387 north heads towards Midwest. The actual destination for I-25/US-87 North would be for Kaycee or Buffalo.

I-25 south at WY-387. Use WY-387 North for Midwest and Edgerton. Continue ahead to return to I-25 south. Notice the closed highway gate for severe weather.

End WY-387 west at I-25/US-87 (Exit 227) near Midwest.

WY-387 south at WY-258 in Midwest. Turn right to continue west on WY-387, and for I-25 traffic. It is probably shorter for I-25 south traffic to use WY-259 south, even though it is signed otherwise.

US-20/US-26 West at WY-257/To WY-220 and Bus. US-20/Bus. US-26 (not marked) in Casper. Use right lane to continue west on US-20/US-26 to Shoshoni. Continue straight for WY-257/To WY-220 which is the Casper West Belt Route.

US-20/US-26 East to I-25 and US-87 on freeway connector between Yellowstone Highway and I-25.