The following additional definition applies to R307-307:

"Arterial roadway" has the same meaning as outlined in U.S. DOT Federal Highway Administration Publication No. FHWA-ED-90-006, Revised March 1989, "Highway Functional Classification: Concepts, Criteria, and Procedures" as interpreted by Utah Department of Transportation and shown in the following maps: Salt Lake Urbanized Area, Provo-Orem Urbanized Area, and Ogden Urbanized Area (1992 or later).

KEY: air pollution, roads, particulate

Date of Last Change: February 1, 2013

Notice of Continuation: October 2, 2024

Authorizing, and Implemented or Interpreted Law: 19-2-104