49 CFR § 236.709 Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances

§ 236.709 Block, absolute.

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

A block in which no train is permitted to enter while it is occupied by another train.

← § 236.708 Block.§ 236.710 Block, latch. →