SD➜WY
This 397 mile haul crosses state lines, triggering Federal FMCSA jurisdiction.
ROUTE ADVISORIES
- WY: Extreme wind gusts (60+ mph) on I-80. Light loads risk tipping.
MANDATORY FILINGS
The Route: South Dakota to Wyoming
This route guide provides a general overview for commercial truck drivers traveling from South Dakota to Wyoming. Always consult updated road conditions and weather forecasts before and during your trip.
The most common and direct route leverages Interstate highways. Assuming a starting point in eastern South Dakota near Sioux Falls, the most efficient route is generally as follows:
- I-90 West: Begin by heading west on I-90 from your origin point in South Dakota. This will be your primary route through most of the state. You'll pass through major cities like Mitchell and Murdo along this stretch.
- Wyoming Border Crossing: Continue west on I-90 as you cross the border into Wyoming. Note the landscape change as you transition into the eastern plains and foothills of the Bighorn Mountains.
- I-25 South (Optional): Depending on your final destination in Wyoming, you may need to connect to I-25 South near Buffalo. This will take you south toward Casper and Cheyenne. If your destination is in the western part of Wyoming, you will most likely stay on I-90.
Compliance & Permits
Ensure your vehicle is compliant with all Federal Motor Carrier Safety Regulations (FMCSR). Key considerations for this route include:
- Weigh Stations/Ports of Entry: Be aware of potential weigh stations along I-90 in both South Dakota and Wyoming. Specific locations include:
- South Dakota: Near Chamberlain, Spearfish
- Wyoming: Near Sundance, Sheridan
- IFTA & IRP: You will need valid IFTA (International Fuel Tax Agreement) credentials and IRP (International Registration Plan) plates for both South Dakota and Wyoming.
- Permits: Standard permits apply to oversize and overweight loads; always ensure your load complies with state regulations or that you have acquired the correct permits ahead of travel.
Risks & Hazards
This route presents several potential risks that drivers should be aware of, particularly related to weather and road conditions:
- Winter Weather: From late fall through early spring, blizzards and heavy snow are common in both South Dakota and Wyoming, particularly in the higher elevations near the Black Hills and the Bighorn Mountains. Be prepared for reduced visibility, icy roads, and potential road closures. Carry chains and ensure your vehicle is equipped for winter driving conditions.
- High Winds: Wyoming is known for its strong winds, especially during the spring and fall. These winds can make it difficult to control your vehicle, especially if you are pulling an empty trailer or are carrying a high-profile load. Watch for wind advisories and take appropriate precautions.
- Wildlife: Deer and other wildlife are prevalent along I-90. Be especially vigilant during dawn and dusk.
- Summer Heat: Wyoming and South Dakota can experience high temperatures during the summer months. Ensure your vehicle is properly maintained to prevent overheating and stay hydrated. Avoid unnecessary idling.
NEW AUTHORITY?
If this is your first time crossing state lines, you need a new MC Number (Operating Authority).
Get BMC-91X Filing →