49 CFR 625.15: Elements of the National Transit Asset Management System.

The National TAM System includes the following elements:

(a) The definition of state of good repair, which includes objective standards for measuring the condition of capital assets, in accordance with subpart D of this part;

(b) Performance measures for capital assets and a requirement that a provider and a group TAM plan sponsor establish performance targets for improving the condition of capital assets, in accordance with subpart D of this part;

(c) A requirement that a provider develop and carry out a TAM plan, in accordance with subpart C of this part,

(d) Reporting requirements in accordance with subpart E of this part; and

(e) Analytical processes and decision support tools developed or recommended by FTA.