StacksVerified U.S. regulatory reference

49 CFR §625.29

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Horizon period. A TAM plan must cover a horizon period of at least four (4) years.
  2. (b)Amendments. A provider may update its TAM plan at any time during the TAM plan horizon period. A provider should amend its TAM plan whenever there is a significant change to the asset inventory, condition assessments, or investment prioritization that the provider did not reasonably anticipate during the development of the TAM plan.
  3. (c)Updates. A provider must update its entire TAM plan at least once every four (4) years. A provider's TAM plan update should coincide with the planning cycle for the relevant Transportation Improvement Program or Statewide Transportation Improvement Program.