Noun main road has 1 sense
  1. highway, main road - a major road for any form of motor transport
    --1 is a kind of road, route
    --1 has parts: interchange; traffic lane
    --1 has particulars:
     Appian Way; arterial road; divided highway, dual carriageway; expressway, freeway, motorway, pike, state highway, superhighway, throughway, thruway; Flaminian Way; highroad, trunk road
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