The Colorado State Patrol has implemented new regulations that all truck drivers operating in Colorado must be aware of, particularly concerning expanded chain laws and left lane restrictions. These changes are critical to ensure compliance and avoid penalties during the state’s harsh winter conditions. Here’s what you need to know:
Expanded Mandatory Chain Laws
As of August 7, 2024, Senate Bill 24-100 went into effect, significantly expanding Colorado’s mandatory carry chain law for commercial motor vehicles (CMVs). The previous law only required truckers to carry chains on Interstate 70 (I-70) between Dotsero and Morrison. Now, from September 1 through May 31, all CMVs over 16,000 pounds must carry four snow chains or adequate alternate traction devices when traveling on any of the following routes:
- I-70 west of milepost 259 (Morrison)
- Colorado Hwy 9 from milepost 63 to milepost 97 (Frisco to Fairplay)
- Route 40 west of milepost 256 (Empire)
- US Route 50 west of milepost 225 (Salida)
- US Route 160 west of milepost 250 (Walsenburg)
- US Route 550 from milepost 0 to 130 (State line south of Durango to Montrose)
Truckers caught without the required equipment could face fines, which could quickly escalate during winter conditions. Be sure to stock up on chains before your route includes any of these roads.
Left Lane Restrictions
In addition to the expanded chain requirements, new restrictions are now in place limiting the use of the left lane by CMVs on several key sections of I-70. To improve safety, especially in high-traffic or challenging driving areas, truckers are prohibited from using the left lane in the following sections unless otherwise authorized by law to pass:
- Glenwood Canyon (milepost 115.5 to 131.0)
- Dowd Junction (milepost 169.5 to 173.0)
- Vail Pass (milepost 180.0 to 190.5)
- Eisenhower-Johnson Tunnel (milepost 205.5 to 221.0)
- Georgetown Hill (milepost 224.0 to 228.5)
- Floyd Hill (milepost 243.0 to 247.0)
Violating these lane restrictions is considered a Class A traffic infraction, which could result in fines. These areas are known for steep grades and sharp curves, making them particularly dangerous for large vehicles, which is why the restrictions are in place.
Speeding Penalties in Glenwood Canyon
Truck drivers should also be aware that Glenwood Canyon has been designated as a heightened speed limit enforcement zone, meaning speeding violations in this area come with increased penalties. Be extra cautious to adhere to the posted speed limits, especially between:
- Eastbound: milepost 116.0 and 131.0
- Westbound: milepost 118.5 and 131.0
With fines doubled in these areas, staying within the limit can help you avoid costly tickets.
Safety and Compliance First
Colorado’s new regulations aim to enhance safety on some of the state’s most challenging highways, especially during winter. Make sure your truck is equipped with the required chains, follow lane restrictions, and be mindful of speed limits in the designated enforcement zones.
For more information and updates, stay tuned to the Colorado State Patrol’s official channels. Stay safe and compliant to avoid fines and keep the roads safer for everyone.
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