Regulations last checked for updates: May 18, 2024

Title 49 - Transportation last revised: May 14, 2024
§ 236.831a - Track, main.

A track, other than auxiliary track, extending through yards and between stations, upon which trains are operated by timetable or train orders, or both, or the use of which is governed by block signals.

source: 33 FR 19684, Dec. 25, 1968, unless otherwise noted.
cite as: 49 CFR 236.831a