The state traffic rules and regulations, current edition, as compiled, prepared and published as a code in book form by the Utah department of public safety, or other authorized agency, and as they may be subsequently amended by legislative act or executive order, one copy of which has been filed for use and examination by the public in the office of the city recorder, are approved and adopted as the traffic code for the city, except as such code may be altered or modified by the ordinances of the city. Subsequent editions shall be filed for use and examination by the public in the office of the city recorder upon receipt by the city, and shall thereupon become the traffic code for the city. (1991 Code § 10.04.010, as amended; amd. 2009 Code)