CFR
- Title 1 - General Provisions
- Title 2 - Grants and Agreements
- Title 3 - The President
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- Title 48 - Federal Acquisition Regulations System
- Title 49 - Transportation
- Title 50 - Wildlife and Fisheries
236.833—Train, opposing.
A train, the movement of which is in a direction opposite to and toward another train on the same track.
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