§ 51.434 - Criteria and procedures: Localized CO violations (hot spots) in the interim period.

(a) Each FHWA/FTA project must eliminate or reduce the severity and number of localized CO violations in the area substantially affected by the project (in CO nonattainment areas). This criterion applies during the interim and transitional periods only. This criterion is satisfied with respect to existing localized CO violations if it is demonstrated that existing localized CO violations will be eliminated or reduced in severity and number as a result of the project.

(b) The demonstration must be performed according to the requirements of §§ 51.402(c)(1)(i) and 51.454.

(c) For projects which are not of the type identified by § 51.454(a), this criterion may be satisfied if consideration of local factors clearly demonstrates that existing CO violations will be eliminated or reduced in severity and number. Otherwise, a quantitative demonstration must be performed according to the requirements of § 51.454(b).