Subpart A - Conformity to State or Federal Implementation Plans of Transportation Plans, Programs, and Projects Developed, Funded or Approved Under Title 23 U.S.C. or the Federal Transit Laws  


§ 93.100 - Purpose.
§ 93.101 - Definitions.
§ 93.102 - Applicability.
§ 93.103 - Priority.
§ 93.104 - Frequency of conformity determinations.
§ 93.105 - Consultation.
§ 93.106 - Content of transportation plans and timeframe of conformity determinations.
§ 93.107 - Relationship of transportation plan and TIP conformity with the NEPA process.
§ 93.108 - Fiscal constraints for transportation plans and TIPs.
§ 93.109 - Criteria and procedures for determining conformity of transportation plans, programs, and projects: General.
§ 93.110 - Criteria and procedures: Latest planning assumptions.
§ 93.111 - Criteria and procedures: Latest emissions model.
§ 93.112 - Criteria and procedures: Consultation.
§ 93.113 - Criteria and procedures: Timely implementation of TCMs.
§ 93.114 - Criteria and procedures: Currently conforming transportation plan and TIP.
§ 93.115 - Criteria and procedures: Projects from a transportation plan and TIP.
§ 93.116 - Criteria and procedures: Localized CO, PM10, and PM2.5 violations (hot-spots).
§ 93.117 - Criteria and procedures: Compliance with PM10 and PM2.5 control measures.
§ 93.118 - Criteria and procedures: Motor vehicle emissions budget.
§ 93.119 - Criteria and procedures: Interim emissions in areas without motor vehicle emissions budgets.
§ 93.120 - Consequences of control strategy implementation plan failures.
§ 93.121 - Requirements for adoption or approval of projects by other recipients of funds designated under title 23 U.S.C. or the Federal Transit Laws.
§ 93.122 - Procedures for determining regional transportation-related emissions.
§ 93.123 - Procedures for determining localized CO, PM10, and PM2.5 concentrations (hot-spot analysis).
§ 93.124 - Using the motor vehicle emissions budget in the applicable implementation plan (or implementation plan submission).
§ 93.125 - Enforceability of design concept and scope and project-level mitigation and control measures.
§ 93.126 - Exempt projects.
§ 93.127 - Projects exempt from regional emissions analyses.
§ 93.128 - Traffic signal synchronization projects.
§ 93.129 - Special exemptions from conformity requirements for pilot program areas.