TheColorado truck citations I-70 chain rule is one of the most important safety mandates for truckers traveling the Rockies. From September through May, commercial drivers must carry tire chains and install them when the law is active. Failure to comply can result in severe fines, delays, or even impoundment. The law helps maintain traction on slippery grades and prevents dangerous traffic blockages. Truckers can avoid violations by checking CDOT’s alerts before heading westbound on I-70 and stopping at designated chain-up areas. Following the Colorado truck citations I-70 chain law not only avoids financial penalties but also ensures the safety of drivers, vehicles, and goods during harsh mountain weather.