
Colorado drivers who like to duck into bike lanes for a quick stop are officially on notice. Gov. Jared Polis this week signed a bill that makes it illegal anywhere in the state to stop, stand or park a vehicle in any part of a roadway that is marked as a bike lane. The move is intended to close enforcement gaps in smaller towns and give cyclists clearer legal protections on streets across Colorado.
What the law does
According to the Colorado General Assembly, HB26-1237, the Transportation Safety Modifications Act, adds a new provision that prohibits any person from “stopping, standing, or parking a vehicle in the portion of a roadway designated as a bike lane.” The statute carves out only narrow exceptions, such as briefly leaving the lane to avoid a traffic conflict or to obey a law enforcement officer or official traffic-control device.
The measure also clarifies that certain officers or agency employees are allowed to move attended or unattended vehicles that are blocking highway maintenance, day-to-day operations, or traffic flow.
Penalties and local context
As reported by Denver7, blocking a bike lane under the new rule is a class B traffic infraction. Local penalty schedules will set the exact amount, but fines can reach up to $100.
Cities like Denver, Boulder, and Aurora were already writing tickets under their own bike-lane rules. The new law essentially takes that approach statewide so that communities that did not have a clear penalty on the books now have one spelled out in state law.
Why the wording change matters
HB26-1237 also tinkers with language all over the traffic code. The bill updates dozens of statutory references so they use the words “crash” or “incident” instead of “accident,” a shift supporters say is more than just semantics.
Skyler McKinley of AAA Colorado, whose testimony is shared by Bicycle Colorado, pushed for the change and argued, “When a plane crashes, we don't call it an accident,” saying the terms we use shape how seriously we treat preventable harm.
When it takes effect
The bill’s final section specifies that the new rule takes effect at 12:01 a.m. on the day after the 90 days following adjournment, unless a referendum is filed. Based on the bill text posted by the Colorado General Assembly, that timing would place the effective date at Aug. 12, if the General Assembly adjourns on May 13.
That runway gives cities, counties and law enforcement agencies time to tweak signage, update officer training and adjust ticketing practices before the statewide bike-lane ban can actually be enforced.
Legal notes
Because the bike-lane prohibition is folded directly into the state motor-vehicle code, violations will be handled through standard traffic-infraction procedures and will follow local penalty schedules. The legislation itself does not set one uniform ticket amount for the entire state.
Supporters say the goal is to cut down on dangerous obstructions and to bring the legal language more in line with broader road-safety priorities. How toughly the new rule is applied, though, will still come down to how individual local agencies choose to enforce it.









