USA Road Signs: Construction information signs 2026

Marks the start of a work zone, telling drivers how many miles of road work lie ahead so they stay alert.

Signals the end of the road work area, letting drivers know normal driving conditions resume.

Instructs drivers to fall in behind the pilot car, which will lead traffic safely through a one-lane work zone.

A plaque marking the beginning of a work zone, reinforcing that construction warnings and reduced speeds apply ahead.

A supplemental plaque used with a reduced conflict or R-CUT/RDTS layout to clarify the intersection movement for drivers.