23 CFR § 646.208
Funding
May 21, 2020
(a) Railroad/highway crossing projects may be funded through the Federal-aid funding source appropriate for the involved project.
(b) Projects for the elimination of hazards at railroad/highway crossings may, at the option of the State, be funded with the funds provided by 23 U.S.C. 133(d)(1).
[62 FR 45328, Aug. 27, 1997]