CFR > Title 49 > Subtitle B > Chapter II > Part 233 49 CFR Part 233 – Signal Systems Reporting Requirements Current as of: 2024 | Check for updates | Other versions § 233.1 Scope § 233.3 Application § 233.5 Accidents resulting from signal failure § 233.7 Signal failure reports § 233.11 Civil penalties § 233.13 Criminal penalty Ask a legal question, get an answer ASAP!Click here to chat with a lawyer about your rights.