- MUTCD
- R3-5a
- Category
- regulatory
- Color
- white
- Shape
- rectangle vertical
Straight Through Only
Drivers in this lane must proceed straight ahead; turning movements are not permitted.
Designates a mandatory through-movement lane. Vehicles in the lane controlled by this device must continue straight past the next intersection; no left, right, or U-turn. Used at intersections with channelized lanes where movement assignments are enforced.
Related signs
Wikimedia Commons: File:MUTCD R3-5a.svg (Public domain)