Incorporated by reference is the Utah Manual on Uniform Traffic Control Devices, 2009 Edition with revisions through June 30, 2015 (Utah MUTCD). This manual was determined to be in substantial conformance with the 2009 MUTCD by the Federal Highway Administrator which, in accordance with Title 23, U.S. Code, Section 655, is the standard for all highways open to public travel in accordance with Title 23, U.S. Code, Sections 109(d) and 402(a). Included in Part 7 of the Utah MUTCD is the Utah Traffic Controls for School Zones establishing the criteria and specifications authorized and required by Sections 41-6a-303 and 41-6a-1307.
Utah Admin. Code R920-1-2