ALERTERS.

SEC. 11407. [49 U.S.C. 20103 note] ALERTERS. (a) In general.—The Secretary shall promulgate a rule to require a working alerter in the controlling locomotive of each passenger train in intercity rail passenger transportation (as defined in section 24102 of title 49, United States Code) or commuter rail passenger transportation (as defined in section 24102 of title 49, United States Code). (b) Rulemaking.— (1) In general.—The Secretary may promulgate a rule to specify the essential functionalities of a working alerter, including the manner in which the alerter can be reset. (2) Alternate practice or technology.—The Secretary may require or allow a technology or practice in lieu of a working alerter if the Secretary determines that the technology or practice would achieve an equivalent or greater level of safety in enhancing or ensuring appropriate locomotive control.