Chapter 1A - MUTCD 2009 Edition - FHWA
2009 Edition Chapter 1A. General Section 1A.01 Purpose of Traffic Control Devices. Support: 01 The purpose of traffic control devices, as well as the principles for their use, is to promote highway safety and efficiency by providing for the orderly movement of all road users on streets, highways, bikeways, and private roads open to public ...
