ID➜CO

The Route: Idaho to Colorado

This guide outlines a common and efficient route for commercial truck drivers traveling from Idaho to Colorado. Remember that route selection can vary based on the origin and destination cities within each state. This guide presumes a southern Idaho origin and a Front Range Colorado destination.

The primary Interstate Highways for this route are:

Compliance & Permits

Drivers transiting this route will need to adhere to all state and federal regulations for commercial vehicle operations. Pay close attention to posted speed limits, weight restrictions, and hours-of-service regulations.

• Weigh Stations/Ports of Entry: Drivers should anticipate operating weigh stations in Utah, Wyoming, and Colorado. Locations can vary but anticipate fixed locations along I-80 in all three states. Pay attention to signage for all weigh stations. Failure to stop when required can result in significant penalties. Keep your logs accurate and accessible for inspection.

• Permits: Colorado does not have any unique permits like the NY HUT or KYU, provided you are operating legally within federal guidelines. However, it is vital you meet all size and weight regulations. Overweight and/or oversized loads require proper permits, which can be obtained from the Colorado Department of Transportation (CDOT). Ensure you have all necessary permits before entering Colorado.

Risks & Hazards

• Seasonal Weather (Winter): The Rocky Mountains present significant winter weather challenges. Snow and ice are common from late fall through early spring. I-80 in Wyoming, in particular, can be severely affected by blizzards and high winds, resulting in road closures. Carry chains and be prepared to chain up when required. Monitor weather forecasts closely and adjust your schedule accordingly. Check road conditions using state DOT websites or apps. Consider alternate routes if conditions are dangerous.

• Seasonal Weather (Summer): While winter presents the most severe weather risks, summer heat can also be a factor, particularly at lower elevations in Idaho and Utah. Ensure your vehicle is properly maintained to prevent overheating. Tire pressure is critical in summer to avoid blowouts. Stay hydrated and take frequent breaks to avoid fatigue. Thunderstorms can also occur in the Rockies during summer months, bringing heavy rain and flash flooding.