9/50.
7.
Work zone barriers, drums, cones, and signs are used to:
Make drivers angry about slow traffic.
Inconvenience drivers.
Keep traffic out of hazardous work zones.
399 20134 8 C [] 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests