§236.205. Signal control circuits; requirements.
49 C.F.R. § 236.205
The circuits shall be so installed that each signal governing train movements into a block will display its most restrictive aspect when any of the following conditions obtain within the block:
Occupancy by a train, locomotive, or car,
When points of a switch are not closed in proper position,
When an independently operated fouling point derail equipped with switch circuit controller is not in derailing position,
When a track relay is in de-energized position or a device which functions as a track relay is in its most restrictive state; or when signal control circuit is deenergized.
Notes, amendments, and revision history
Amendments
[33 FR 19684, Dec. 25, 1968, as amended at 49 FR 3385, Jan. 26, 1984]
Authority
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
Source: 33 FR 19684, Dec. 25, 1968, unless otherwise noted.
Amendments
[33 FR 19684, Dec. 25, 1968, as amended at 49 FR 3385, Jan. 26, 1984]