U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

All TitlesTitle 49Chapter IIPart 299Subpart B - Subpart B—Signal and Trainset Control System
View all text of Subpart B [§ 299.201 - § 299.215]
§ 299.203 - PTC system required.

The railroad shall not commence revenue service prior to installing and making operative its FRA-certified PTC system.

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