Main line and Principal route

Related terms

Main line noun - The principal route of a transportation system.

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Principal route and main line are semantically related. In some cases you can use "Principal route" instead a noun phrase "Main line".

Definitions of Main line not found.

Main line and principal route are semantically related. You can use "Main line" instead a noun phrase "Principal route".

Cite this Source

Principal route and Main line. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/main_line/principal_route

Main line & Principal route. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/main_line/principal_route>.

Principal route or Main line. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/main_line/principal_route.

Google Ngram Viewer shows how "main line" and "principal route" have occurred on timeline