The main function of channelizing devices is to

Channelizing devices play a crucial role in work zone safety by guiding road users and warning them of changes in traffic patterns. These devices, which include cones, barrels, and barricades, are designed to help direct vehicles and pedestrians safely through or around areas where construction or maintenance is occurring.

By effectively communicating information about the layout of the road and the presence of obstacles, channelizing devices promote safe maneuvering for all users. This guidance is vital in reducing confusion and preventing accidents in environments where normal traffic flow is disrupted.

Although channelizing devices may contribute to marking the boundaries of work zones or indicating closures, their primary purpose is to warn users of changes ahead and provide clear guidance to navigate safely through the altered roadway conditions.