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title 49
Transportation
chapter II
CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
part 236
PART 236—RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES
subpart D
Subpart D—Traffic Control Systems
subjgrp 117
Rules and Instructions
Subjgrp 117. Rules and Instructions
§ 236.426 - Interlocking rules and instructions applicable to traffic control systems.
