1. (1) The design noise level is greater than or equal to the UDOT Noise Abatement Criterion (NAC) in Table 1 for each corresponding land use category; or
2. (2) The design noise level substantially exceeds (ten dBA or more) the existing noise level.

A traffic noise impact occurs, for purposes of this policy, when either of the following conditions exists at a sensitive land use:

KEY: transportation, barriers, traffic noise abatement, highways

Date of Last Change: October 10, 2017

Notice of Continuation: October 4, 2021

Authorizing, and Implemented or Interpreted Law: 72-1-201; 72-7-101; 72-6-111