49 C.F.R. § 234.261
Highway traffic signal pre-emption.
Cite as 49 C.F.R. § 234.261 (2026)
Highway traffic signal pre-emption interconnections, for which a railroad has maintenance responsibility, shall be tested at least once each month.
49 C.F.R. § 234.261
Cite as 49 C.F.R. § 234.261 (2026)