Colorado’s Traction Law Just Got More Specific – Here’s What Changed for 2026
Key Takeaways 2WD/FWD vehicles now need chains or an ATD, period. Under Senate Bill 25-069, tires alone no longer bring a 2WD or FWD vehicle into compliance, regardless of rating. AWD/4WD vehicles need the right tires or chains/ATD. Mud-and-snow, winter, or manufacturer all-weather tires at 3/16" tread depth still qualify — worn all-seasons don't. [...]









