The Left Lane and Lane Rules
Utah Code 41-6a-702 — heavy trucks out of the left lane on three lane freeways
On a freeway with three or more general purpose lanes in one direction, a vehicle or combination with a gross vehicle weight rating of 18,001 pounds or more may not travel in the left most general purpose lane.
Who handles this in Utah: legal aid programs and the state offices, listed in the Utah directory.
- The rule does not apply when preparing to turn or exit left, responding to an emergency, avoiding merging traffic, or following signs for a designated lane.
- A highway authority may designate lanes for any type of vehicle, including high occupancy vehicles, once signs or markings give notice.
- A violation is an infraction.
Sources for this section (1)
- Utah Code 41-6a-702 — Left lane restrictions -- Exceptions -- Other lane restrictions -- Penalties
Legal information, not legal advice. Verified as of October 2026. Applying it to a particular situation is the work of a licensed Utah attorney.