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Bill sponsors Sen. Greg Brophy and Rep. |
Colorado Shares the Road | Governor Bill Ritter addresses the new law to protect motorists and bicyclists. |
For a downloadable poster (PDF) explaining the new laws, click here.
Better Traffic Laws for Bicyclists

3 Feet: Enjoy a Little Breathing Room
Bicyclists get at least 3 feet of space when vehicles pass. To help give you 3 feet, motorists can cross a centerline when clear to pass you safely.
Riding with Friends
Two bicyclists may ride side-by-side when clear but please move to single-file to allow other vehicles to pass.
Be Safe, Be Seen
Ride as far right as is safe. But that doesn't mean you have to ride in the gutter - riding in the right half of the lane often is the safest and most visible spot.
Go With the Flow
Your choice - bicyclists can ride to the far right or far left on a one-way street. Remember, still no riding upstream - ride in the same direction as traffic.
| Better Traffic Laws for Motorists | ![]() |
Keeping Traffic Moving
Enjoy more freedom to safely pass a bicyclist by crossing the centerline only when safe to do so. If not clear, simply ease up and wait for the next safe opportunity. By keeping three feet passing distance, you create a safer environment on the road.
Bicyclists Easier to See
One of the challenges drivers face is not seeing a bicyclist on the road or seeing them at the last second without time to react. The new law allows bicyclists to ride where motorists are already looking so that you may adjust sooner and more safely.
Road is Open for the Public
Yes, bicycles are legal on public roads. Please treat everyone on the road with respect. It is illegal to swerve at, buzz, or throw things at bicyclists.
Pass Other Cars When Safe
Before passing another car, first check that there are no bicyclists in the oncoming lane. This keeps you and the driver you are passing safe.
Bicycle Colorado is the statewide non-profit organization devoted to creating a more bicycle-friendly Colorado. Our 7,000 plus individual members and businesses are committed to safe and sustainable roads and trails. Our bicycle education programs directly teach more than 10,000 students and our safe bicycling messages reach adults statewide. Please help make Colorado a better place for people of all ages to bicycle for health, transportation, and recreation. How to join today.
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Bicycle Colorado | 1525 Market Street, Suite 100 | Denver, CO 80202 Phone 303.417.1544 | Fax 303.825.1038 | Email info@BicycleColorado.org |