49 CFR § 236.304 Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances

§ 236.304 Mechanical locking or same protection effected by circuits.

Current through Sep 25, 2026 · Read all of Part 236

Mechanical locking, or the same protection effected by means of circuits, shall be provided.

← § 236.303 Control circuits for signals, selection through circuit controller operated by switch points or by switch locking mechanism.§ 236.305 Approach or time locking. →