1. Regulations
  2. title 49
  3. chapter II
  4. part 236
  5. subpart A
  6. subjgrp 107
  7. § 236.5

View all text of Subjgrp 107 [§ 236.1 - § 236.18]

§ 236.5 - Design of control circuits on closed circuit principle.

All control circuits the functioning of which affects safety of train operation shall be designed on the closed circuit principle, except circuits for roadway equipment of intermittent automatic train stop system.

AUTHORITY: 49 U.S.C. 20102-20103, 20107, 20133, 20141, 20157, 20301-20303, 20306, 20501-20505, 20701-20703, 21301-21302, 21304; 28 U.S.C. 2461 note; and 49 CFR 1.89.

SOURCE: 33 FR 19684, Dec. 25, 1968, unless otherwise noted.

CITE AS: 49 CFR 236.5