national road, noun phrase
Also with initial capital(s). Any major intercity road financed by the National Transport Commission. Also attributive. See also N sense 2.
1935 Act 42 in Stat. of Union 284There shall be established a board to be known as the National Road Board, consisting of six members, appointed by the Minister.
1993 Weekend Post 15 May (Leisure) 5Take the Jeffreys Bay-Mondplaas turn-off onto the old national road.
Also with initial capital(s).Any major intercity road financed by the National Transport Commission. Also attributive.

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