Title 49TransportationRelease 119-73

§20137 Event recorders

Title 49 › Subtitle SUBTITLE V— - RAIL PROGRAMS › Part PART A— - SAFETY › Chapter CHAPTER 201— - GENERAL › Subchapter SUBCHAPTER II— - PARTICULAR ASPECTS OF SAFETY › § 20137

Last updated Apr 6, 2026|Official source

Summary

The Secretary of Transportation must write rules by December 22, 1989, that require trains to have event recorders within one year after those rules start. If fitting recorders in one year is not practical, the Secretary may extend the deadline to up to 18 months. Event recorder — a tamper‑resistant device that records things like train speed, hot‑box detection, throttle position, brake use and other functions needed to monitor train safety (for example, time and signal indications).

Full Legal Text

Title 49, §20137

Transportation — Source: USLM XML via OLRC

(a)In this section, “event recorder” means a device that—
(1)records train speed, hot box detection, throttle position, brake application, brake operations, and any other function the Secretary of Transportation considers necessary to record to assist in monitoring the safety of train operation, such as time and signal indication; and
(2)is designed to resist tampering.
(b)Not later than December 22, 1989, the Secretary shall prescribe regulations and issue orders that may be necessary to enhance safety by requiring that a train be equipped with an event recorder not later than one year after the regulations are prescribed and the orders are issued. However, if the Secretary finds it is impracticable to equip trains within that one-year period, the Secretary may extend the period to a date that is not later than 18 months after the regulations are prescribed and the orders are issued.

Legislative History

Notes & Related Subsidiaries

Historical and Revision Notes

Revised SectionSource (U.S. Code)Source (Statutes at Large) 2013745:431(m).Oct. 16, 1970, Pub. L. 91–458, 84 Stat. 971, § 202(m); added June 22, 1988, Pub. L. 100–342, § 10, 102 Stat. 629. In subsection (b), the words “Not later than December 22, 1989” are substituted for “within 18 months after June 22, 1988” for clarity. The words “may extend the period to a date that is not later than 18 months after the

Regulations

are prescribed and the orders are issued” are substituted for “may extend the deadline for compliance with such requirement, but in no event shall such deadline be extended past 18 months after such rules,

Regulations

, orders, and standards are issued” to eliminate unnecessary words.

Reference

Citations & Metadata

Citation

49 U.S.C. § 20137

Title 49Transportation

Last Updated

Apr 6, 2026

Release point: 119-73