CO➜WA

The Route: Colorado to Washington (Commercial Trucking)

This route guide provides a general overview for a commercial truck driver traveling from Colorado to Washington State. Always consult official state DOT resources and real-time traffic conditions before and during your trip.

The most efficient route primarily utilizes Interstate 70 (I-70) and Interstate 80 (I-80), transitioning to Interstate 84 (I-84) and then finally, Interstate 82 (I-82) and Interstate 90 (I-90) to reach Washington. A possible route is detailed below, but you may need to modify this depending on your exact origin, destination, and load specifics.

This route offers relatively direct access, but alternative routes may exist depending on specific destinations within Colorado and Washington. Always consult your routing software for the most efficient and legal path.

Compliance & Permits

Navigating compliance is crucial for interstate trucking. Expect to encounter several weigh stations along this route.

• Weigh Stations: Be prepared to stop at weigh stations in Colorado, Wyoming, Utah, Idaho, and Washington. These locations are subject to change, so always pay attention to signage. Common examples are near port of entry locations such as Evanston, Wyoming.
• Oregon Weight Mile Tax (WMT): Since you are traveling through Oregon, be aware of and compliant with the Oregon Weight Mile Tax. Registration and accurate record-keeping are essential to avoid penalties. Check with the Oregon Department of Transportation (ODOT) for the most current requirements and electronic logging options.
• Washington Permits: While a specific permit isn't always required for routine interstate transport, any oversized or overweight loads will necessitate obtaining special permits from the Washington State Department of Transportation (WSDOT) before entering the state.

Always ensure compliance with all federal and state regulations regarding Hours of Service (HOS), vehicle maintenance, and load securement.

Risks & Hazards

This route presents several potential hazards, particularly related to seasonal weather.

• Winter Weather: The Rocky Mountains can experience severe winter weather, including heavy snowfall, ice, and strong winds. I-70, I-80, and I-84 are all subject to chain requirements, road closures, and reduced visibility. Be prepared with chains and monitor weather conditions closely.
• High Winds: Wyoming and parts of Oregon are known for high winds, especially during the spring and fall. These winds can make it challenging to control your vehicle, particularly for high-profile loads.
• Summer Heat: Summer temperatures in parts of the Great Basin (Utah, Idaho, Oregon) can be extreme. Ensure your vehicle is properly maintained to prevent overheating, and take precautions to avoid heat exhaustion. Check tire pressure regularly as increased heat can lead to blowouts.
• Wildlife: Be aware of the potential for wildlife crossings, particularly in rural areas. Reduce your speed and be vigilant, especially at dawn and dusk.