What is Lane Splitting?
Lane splitting (also called lane sharing, white-lining, or filtering) is the practice of riding a motorcycle between lanes of slow-moving or stopped traffic. Lane filtering typically refers to moving between lanes at a stoplight.
Where Lane Splitting is Legal
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California
The only state where lane splitting is explicitly legal. Guidelines recommend:
- Traffic speed under 30 mph
- Motorcycle speed no more than 10 mph faster than traffic
- Avoid splitting near large vehicles, on curves, or at exits
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Montana
Lane filtering is legal when:
- Traffic is stopped
- Speed limit is 50 mph or less
- Motorcycle travels no more than 20 mph
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Utah
Lane filtering (not splitting) is legal when:
- Traffic is stopped
- Speed limit is 45 mph or less
- Motorcycle travels no more than 15 mph
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Arizona
Lane filtering is legal when:
- Traffic is stopped
- Speed limit is 45 mph or less
- Motorcycle travels no more than 15 mph
Where Lane Splitting is Illegal
Lane splitting is explicitly illegal or not addressed (therefore risky) in all other states. Getting caught can result in:
- Traffic citations
- Fines
- Points on your license
- Complications with insurance claims if in an accident
Pending Legislation
Several states have considered lane splitting or filtering bills:
- Texas, Oregon, Washington, Connecticut, Maryland, Massachusetts
Check current legislation in your state, as laws are evolving.
If You're in a Lane Splitting Accident
If you were lane splitting when an accident occurred:
- Document that you were following safe practices
- Note traffic conditions and your speed
- Consult with a motorcycle accident attorney
- In California, safe lane splitting shouldn't affect your claim
- In other states, it may complicate your case