49 CFR § 212.111
Monitoring and other inspections
November 18, 2020
(a) It is the policy of the FRA to monitor State investigative and surveillance practices at the program level.
(b) It is the policy of the FRA to coordinate its direct inspection and investigative functions in participating States with the responsible State agency, providing prior advice to the States whenever practicable.
(c) The FRA may conduct such monitoring of State investigative and surveillance practices and such other inspection and investigation as may be necessary to aid in the enforcement of the Federal railroad safety laws.