Code of Federal Regulations (Last Updated: July 5, 2024) |
Title 49 - Transportation |
Subtitle B - Other Regulations Relating to Transportation |
Chapter II - Federal Railroad Administration, Department of Transportation |
Part 236 - Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances |
Subpart C - Interlocking |
Standards |
§ 236.309 - Loss of shunt protection; where required.
Latest version.
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§ 236.309 Loss of shunt protection; where required.
(a) A loss of shunt of 5 seconds or less shall not permit an established route to be changed at an automatic interlocking.
(b) A loss of shunt of 5 seconds or less shall not permit the release of the route locking circuit of each power-operated switch hereafter installed.
[49 FR 3385, Jan. 26, 1984]