M road

M road may refer to:
 * Motorways:
 * Motorways in Hungary
 * Motorways in the United Kingdom
 * Motorways in the Republic of Ireland
 * M road in Australia are primary roads
 * M roads in Malaysia are roads in Melaka
 * M road in the USA may refer to
 * List of state trunklines in Michigan
 * Corridor M, part of the Appalachian Development Highway System
 * M roads in Ukraine are international highways
 * M roads in Zambia
 * M roads in Zimbabwe