Guidelines for implementing the standards and applications contained in the Manual on Uniform Traffic Control Devices.

"The purpose of the Traffic Control Devices Handbook (the Handbook or TCDH) is to augment the Manual on Uniform Traffic Control Devices for Streets and Highways

The handbook, in its treatment of signs, pavement markings and signals, presents typical values or ranges of values used for implementing traffic control measur

The handbook, in its treatment of signs, pavement markings and signals, presents typical values or ranges of values used for implementing traffic control measur