CDOT had already instated a "Right lane only" rule for CMVs going through Glenwood Canyon; this law is now layered over the top, includes reduced speed limits, and adds additional locations where the

After yet another semi truck crash in Glenwood Canyon that blocked I-70 for more than a day, CBS Colorado looked into what's being done to change this repeated consequence.

Oil, plastic crates and other debris spilled across I-70 Tuesday after a trucker lost control of their big rig and crashed through a guardrail, plummeting more than 20 feet.