This part--
(a) Prescribes reporting and recordkeeping requirements with respect to the hours of service of certain railroad employees and certain employees of railroad contractors and subcontractors;
(b) Establishes standards and procedures concerning the construction or reconstruction of sleeping quarters;
(c) Establishes minimum safety and health standards for camp cars provided by a railroad as sleeping quarters for its employees and individuals employed to maintain its rights of way; and
(d) Prescribes substantive hours of service requirements for train employees engaged in commuter or intercity rail passenger transportation. [43 FR 31012, July 19, 1978, as amended at 74 FR 25345, May 27, 2009; 76 FR 50396, Aug. 12, 2011; 76 FR 67087, Oct. 31, 2011]