What is a barricade?

What is a Barricade?   What is the origin of the word “barricade”?  From French, going back to Middle French, from barrique “barrel,” a typical component of barricades. It originally meant “a defensive barrier hastily constructed, as in...

Channelizing Devices

What are channelizing devices? The Manual for Uniform Traffic Control Devices (MUTCD) defines channelizers as “devices that are used to temporarily guide traffic on public roads”.  The function of channelizing devices is to warn road users of conditions created by...

Temporary Traffic Control

What is meant by temporary traffic control? Temporary Traffic Control or TTC  is the use of temporary traffic control devices, flaggers, police officers, and other safety devices and features to guide traffic through an area of a highway where road user conditions are...