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Federal regulations · Through 2026-08-25 · Newer source version available

49 CFR 236.335: Dogs, stops and trunnions of mechanical locking.

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Where this section sits in the code
  1. Title 49—Transportation
  2. Subtitle B—Other Regulations Relating to Transportation
  3. CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
  4. PART 236—RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES
  5. Subpart C—Interlocking

Driving pieces, dogs, stops and trunnions shall be rigidly secured to locking bars. Swing dogs shall have full and free movement. Top plates shall be maintained securely in place.

Collected 2026-08-27T02:26:34Z. Source file · JSON

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