§ 234.203 Control circuits.
Current through Sep 25, 2026 · Read all of Part 234
All control circuits that affect the safe operation of a highway-rail grade crossing warning system shall operate on the fail-safe principle.
Current through Sep 25, 2026 · Read all of Part 234
All control circuits that affect the safe operation of a highway-rail grade crossing warning system shall operate on the fail-safe principle.
← § 234.201 Location of plans.§ 234.205 Operating characteristics of warning system apparatus. →