Driving safety tips and resources from the Arizona Department of Transportation at FocusOnDriving.com keep motorists prepared on Arizona’s roads.

Zipper Merge

road sign in a construction zone - Left Lane Closed Ahead

ADOT piloting "Zipper Merge"

A new effort to reduce construction travel delays that requires the cooperation of motorists to effectively minimize traffic congestion.

Tags: 
Videos
Zipper Merge
Zipper Merge Example

Zipper merge: In the right situations, two lanes can be better than one

The concept is simple: Using two lanes as long as possible into a lane restriction can move traffic more efficiently than everyone trying to merge earlier.

Tags: 
Zipper Merge
Know the Road
Videos
Subscribe to Zipper Merge