Rules and Instructions

  1. Law
  2. CFR 49
  3. Transportation
  4. Other Regulations Relating to Transportation
  5. Federal Railroad Administration, Department of Transportation
  6. Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances
  7. Interlocking
  8. Rules and Instructions

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Section
236.326

Mechanical locking removed or disarranged; requirement for permitting train movements through interlocking.

Section
236.327

Switch, movable-point frog or split-point derail.

Section
236.328

Plunger of facing-point lock.

Section
236.329

Bolt lock.

Section
236.330

Locking dog of switch-and-lock movement.

Sections
236.331-236.333

§§ 236.331-236.333 [Reserved]

Section
236.334

Point detector.

Section
236.335

Dogs, stops and trunnions of mechanical locking.

Section
236.336

Locking bed.

Section
236.337

Locking faces of mechanical locking; fit.

Section
236.338

Mechanical locking required in accordance with locking sheet and dog chart.

Section
236.339

Mechanical locking, maintenance requirements.

Section
236.340

Electromechanical interlocking machine; locking between electrical and mechanical levers.

Section
236.341

Latch shoes, rocker links, and quadrants.

Section
236.342

Switch circuit controller.