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49 CFR 236.503

§ 236.503 Automatic brake application; initiation when predetermined rate of speed exceeded.

United States · 49 CFR — Transportation · Status: effective

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49 CFR 236.503, § 236.503 Automatic brake application; initiation when predetermined rate of speed exceeded, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/259054
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Full text

An automatic train control system shall operate to initiate an automatic brake application when the speed of the train exceeds the predetermined rate as required by the setting of the speed control mechanism.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.