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Top Terms > Facilities > Transportation, hydraulic and utility facilities > Railroad facilities > Railroad tracks > Lines of track > Main lines

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Main lines (Pmudem)

Definition
The principal part or parts of a railroad, exclusive of tracks used for switching, branches, yards, and terminals. (Source: AASHTO Glossary)
Broader Term
Lines of track (Pmude)
Related Terms (Hierarchical)
Branch lines (Pmudeb)