Interstate 25 Exit List

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Interstate 25 Wyoming

Exit Number Route Number Road Name Notes
  NORTH
Milepost 0 Welcome to Wyoming, "A Great Land Outdoors," "Like No Place on Earth," and "Forever West" (Don't forget to "Cowboy Up!") Speed Limit 75 I-25 enters Wyoming from Colorado along with U.S. 87 a short distnace south of Cheyenne. The U.S. highway is well-signed throughout Wyoming.
WELCOME TO LARAMIE COUNTY!
    Parking Area
Exit 2 EAST TO Terry Ranch Road Wyoming 223 is the old alignment of U.S. 87 before it shifted to I-25.
Milepost 6 Port of Entry   Check/Weigh Station and Parking Area
Exit 7 NORTH College Drive Cheyenne STATE OF WYOMING INFORMATION CENTER AND REST AREA
Get your free Wyoming State Highway Map at the Rest Area and Welcome Center.
Exit 8A, 8C Laramie Omaha Yellowstone-Grand Teton National Parks via or This is the only cloverleaf interchange joining two Interstates within the state of Wyoming. The exits are labeled B-D for I-80 travelers.
Exit 9 Lincolnway Drive The guide signs fail to mention Business Loop I-80, similar to the guide signs on I-25 in Denver that fail to mention either Bus. I-70 or U.S. 287 at the Colfax Avenue exit.
Exit 10 FORMER Missile Drive Happy Jack Road F.E. Warren Air Force Base Formerly, this interchange connected to WYO 226, while WYO 210 had no direct access. The signs at this interchange omit WYO 226.
Exit 11   Randall Drive F.E. Warren Air Force Base
Exit 12 BUSINESS SOUTH WEST Central Avenue and Cheyenne North This interchange was completely redesigned in 1982.
  NORTH
Exit 13   Vandehei Avenue  
Exit 16 Horse Creek Road and Iron Mountain Road  
Exit 17 NORTH Torrington Newcastle LEFT EXIT SOUTHBOUND U.S. 85 parts ways with I-25 and U.S. 87 heading northbound. Heading south, I-25 and U.S. 85 are nearly inseparable all the way to Las Cruces, New Mexico (excluding the sections from Castle Rock to Denver and from Denver to Cheyenne).
  NORTH
Exit 21 Laramie County Route 220 Ridley Road The stretch of I-25 between exits 17 and 54 is devoid of services and interest. Do not venture forth with less than a half tank of gas!
Exit 25 Laramie County Route 224 Atlas Road (NO ACCESS)  
Exit 29 Laramie County Route 228 Whitaker Road  
Exit 34 Laramie County Route 120 SOUTH Nimmo Road True Road TO CR-232 True Road is likely to be named for the True Oil Company, which was very prominent in Wyoming.
Exit 39 Laramie County Route 123 NORTH Little Bear Community Road TO Hirsig Road and Moffett Road Little Bear Community Road is Historic U.S. 87 between Exits 39 and 47.
Exit 47 Laramie County Route 245 Bear Creek Road to Little Bear Road  
Milepost 47 Welcome to PLATTE COUNTY!
Exit 54 NORTH to EAST Chugwater; To WEST REST AREA
Exit 57 SOUTH Chugwater and TY Basin Road  
Exit 65 EAST Slater Road  
Milepost 65     Parking Area
Exit 66   Hunton Road  
Exit 68 Platte County Route 264 Antelope Road  
Exit 70 Platte County Route 232 Bordeaux Road  
Exit 73 WEST Laramie Sybille Canyon Wildlife Area via use Exit 73
Exit 78 Wheatland; To SOUTH  
Exit 80 Wheatland; To NORTH  
Exit 84 Platte County Route 47 East Laramie River Road and Uva  
Exit 84   Johnson Road  
Exit 91 REST AREA Dwyer Junction Most Interstate rest areas in Wyoming are designed to handle traffic in both directions. Usually this means a full diamond interchange will provide direct access to a single rest area from each roadway.
Exit 92 EAST Guernsey and Torrington TO NORTH (left exit) U.S. 26 used to end here until 1950; then it was extended west to Oregon. I-25, U.S. 26, and U.S. 87 follow the historic Oregon Trail from Exits 92 to 188B.
  NORTH WEST
Exit 94 Platte County Routes 114 and 117 El Rancho Road; Fish Creek Road; Pepper Road Pepper Road is the original routing of U.S. 26.
Exit 100 NORTH Cassa WYO 319 is Historic U.S. 87 between Exits 100 and 126.
Exit 104   Middle Bear Creek Road  
Exit 111 Platte County Route 59 to Glendo; Horseshoe Creek Road Cassa; REST AREA Glendo State Park
Milepost 119 WELCOME TO CONVERSE COUNTY!
Exit 126 Lusk and Chadron, Nebraska U.S. 85 combines with U.S. 20 and U.S. 85 through to Mule Creek Junction, where it turns east into South Dakota.
Exit 126 REST AREA Orin Junction This is the western terminus of U.S. 18. The original route of U.S. 20, U.S. 26, U.S. 87 follows Converse County Route 1 (Irvine Road) as an alternate route into Douglas along the railroad.
  NORTH WEST
Milepost 129     Parking Area
Exit 135 TO NORTH Douglas I-26 begins to turn westward at Douglas en route to Casper. The Laramie Mountains prevent a more direct approach from the south. This routing originated with the Yellowstone Highway in the late 1910s and early 1920s.
Exit 140 TO NORTH to Gillette and and SOUTH Douglas Esterbrook Road A rare four-business route overlap.
Exit 146 SOUTH La Prele Road TO Cold Springs Road WYO 91 and WYO 96 together make up Historic U.S. 87 between Exits 140 and 146.
Exit 150   Inez Road  
Exit 151 Converse County Road 13 Natural Bridge Road La Prele Reservoir and Ayres Natural Bridge
Milepost 153     Parking Area
Exit 156 Bixby Road    
Exit 160 WEST NORTH Glenrock TO SOUTH / Boxelder Road  
  NORTH
Exit 165 NORTH Glenrock, Deer Creek Road  
Milepost 171     Parking Area
Milepost 173 Welcome to NATRONA COUNTY!
Exit 182 SOUTH NORTH Brooks; Hat Six Road; Cole Creek Road Edness K. Wilkins State Park
Exit 185 SOUTH Evansville; Wyoming Boulevard; Casper Beltline Casper's Eastgate Mall lies a short distance south of I-25 via WYO 258. WYO 258 is the Casper Beltline, which provides a through route to Casper Mountain, WYO 220, and Casper College.
Exit 186A-B BUSINESS EAST SOUTH East Yellowstone Highway; Casper; North Beverly Street; Bryan Scott Stock Trail Business Loop I-25 in Casper is rather short, only providing access to the city center. It returns to I-25 at Exit 188A.
  NORTH BYPASS WEST
Exit 187   McKinley Street  
Exit 188A SOUTH Center Street; Downtown Casper Suffixed exit numbers (such as 188A) are rare in Wyoming since most exits are spaced a mile or more apart.
Exit 188B WEST Walnut Street to CY Avenue WYO 220 provides the best route for southbound travelers to Laramie (via WYO 487) and to Rawlins (via U.S. 287). Direct access to Wyoming 220 from Interstate 25 and U.S. 20-26 was provided with completion of the Casper West Beltline (Wyoming 257). The Oregon Trail splits off from I-25 here to follow the North Platte River and WYO 220.
Exit 189 WEST Shoshoni; Natrona County International Airport; Port of Entry To Yellowstone-Grand Teton National Parks, follow west via Exit 189.
  NORTH
Exit 191 SOUTH Barr Nunn; Wardwell Road; Salt Creek Highway WYO 254 is Historic U.S. 87E (1926-1936) and Historic U.S. 87 (after 1936).
Exit 197 Natrona County Route 705 Ormsby Road  
Exit 210 NORTH Midwest; Edgerton; Horse Ranch Creek Road WYO 259 provides access to the historically notable Teapot Dome. WYO 259 and WYO 358 between Exits 210 and 227 is Historic U.S. 87. U.S. 87 was decommissioned here in the early 1980s, when I-25 was completed.
Exit 216   South Castle Creek Road  
Exit 223   Ranch Access  
Exit 227 EAST Midwest; Edgerton  
Milepost 234 Welcome to JOHNSON COUNTY!
Exit 235 Johnson County Route 210 SOUTH Tisdale Mountain Road, Long Canyon Road, Dead Horse Road Tisdale is actually on the exit sign; the other roads feed into the exit.
Exit 246 NORTH Powder River Road WYO 196 / Historic U.S. 87 and I-25 cross the Powder River here.
Exit 249 Johnson County Route 51 TO TTT Road, Lone Bear Road  
Exit 254 WEST EAST Kaycee REST AREA
Exit 265 Johnson County Route 208 Reno Road  
Milepost 274     Parking Area
Exit 280   Middlefork Road  
Exit 291 Johnson County Route 13 Trabing Road  
Exit 298 Buffalo This business loop is more like a spur, since it leaves I-25 and never returns. Use Exit 298 to .
Exit 299 Buffalo Worland Yellowstone-Grand Teton National Parks and Bighorn National Forestvia use Exit 299.
Exit 300

WEST: Sheridan EAST: Gillette

End

continues north along to Sheridan and Billings.