The new edition of the manual on uniform traffic control devices: an overview

T he Federal Highway Administration has revised the U.S. Manual on Uniform Traffic Control Devices for Streets and Highways (MUT12D). The new edition, expected to be available next month, is a complete update of the 1978 Manual and includes over 130 changes made to the Manual during the past 10years. This article presents a history of the MU’ICD, an overview of the new edition, and details on 10 additional changes to the Manual, which were officially adopted by FHWA on January 23, 1989.