Truck Accidents on I-70: The Risks, Data, and Your Legal Options

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Semi-truck on Interstate 70 in Colorado

Juris Doctor, Law - University of Denver

Juris Doctor, Law - University of Denver

Juris Doctor, Law - University of Denver

Founder, Western Slope Law

Interstate 70 plays a critical role in connecting communities, commerce, and travel throughout Colorado. Unfortunately, its high volume of commercial traffic also makes it a common site for serious trucking accidents. Understanding why these crashes happen, the risks involved, and what your legal options are if you’ve been affected, can help you move forward confidently.

The Reality of Trucking Dangers on I-70

I-70 is a major east-west corridor, with large trucks carrying freight across state lines. The highway’s mountainous terrain, particularly as it passes through the Western Slope and Glenwood Springs region, creates unique driving challenges. Steep grades, unpredictable weather conditions, and heavy congestion near construction zones or tourist areas all add to the risk factors.

Contributing Factors in I-70 Truck Accidents

Weather and Terrain
Colorado’s mountainous routes can experience sudden changes in weather. Snow, ice, and low visibility make controlling a large semi-truck more difficult. Sharp turns and steep descents, such as those found near Eisenhower Tunnel or Vail Pass, demand experienced, cautious driving.

Driver Fatigue and Hours of Service Violations
Long-haul truck drivers operate under federal regulations that limit the number of hours they can drive consecutively. Nevertheless, some push the boundaries, leading to fatigue-related mistakes. A drowsy truck driver may fail to brake in time, drift across lanes, or misjudge distance and speed.

Mechanical Failures and Improper Maintenance
Brakes, tires, and steering systems must be regularly inspected and maintained. When trucking companies or operators neglect routine upkeep, the risk of a catastrophic malfunction increases.

Excessive Speed and Distracted Driving
The pressure to deliver cargo on tight schedules sometimes results in speeding. Distracted driving—be it from mobile devices, navigation systems, or other in-cab distractions—further compromises the safety of everyone on the road.

Here Are the Statistics

While exact year-to-year data can vary, the Federal Motor Carrier Safety Administration (FMCSA) and the Colorado Department of Transportation (CDOT) consistently report that large trucks are disproportionately involved in fatal crashes compared to passenger vehicles. Nationwide data from FMCSA shows that large-truck crashes cause thousands of deaths each year, and a significant portion occurs on interstate highways like I-70.

  1. Colorado Department of Transportation (CDOT) states that numerous crashes involving large trucks were reported on Colorado’s I-70 corridor in a recent year.

  2. Federal Motor Carrier Safety Administration (FMCSA) notes that large trucks are involved in a substantial share of fatal crashes on interstate highways, including segments of I-70.

  3. National Highway Traffic Safety Administration (NHTSA) shows a an ongoing concern regarding truck-related crashes on major interstate routes like I-70 between 2018 and 2020.

  4. The Colorado State Patrol (CSP) has reported an ongoing truck-involved incidents on I-70’s steep and winding stretches, attributing some of these accidents to brake failures, speeding, and driver inexperience.

  5. American Transportation Research Institute (ATRI) found that segments of I-70 with sharp inclines or declines are correlated with elevated risk from brake-related violations in commercial trucks, increasing the likelihood of serious accidents.

  6. Studies tracking interstate commerce suggest that as traffic volume increases—particularly during peak commercial transport seasons—crash rates on routes like I-70 can rise, reflecting the added risk of congestion and driver fatigue.

  7. Analysis of federal crash data indicates that I-70’s mountainous conditions contribute to a heightened risk environment, with truck rollovers and jackknifing accidents occurring more frequently in these challenging sections of the interstate.

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