Manual on Uniform Traffic Control Devices for Streets and Highways.

anual on niform raffic ontrol evices. A national manual that has been adopted by the State in accordance with Iowa Code Section 321.252 and which contains standards and specifications for a uniform system of traffic control devices to be used on streets and highways within the state. On-line version of MUTCD.

Manual on Uniform Traffic Control Devices, an FHWA publication that regulates traffic lights, signs, and pavement markings in the U.S. See the USMA's page on the MUTCD and metric road signs in the U.S.