M7 or M-7 may refer to: In roads: Westlink M7, an urban motorway in the Sydney, Australia area Metroad 7 (M7), another motorway in Sydney, Australia M-7 (Michigan highway), the former designation of M-86, a state highway in Michigan M7 motorway (Republic of Ireland), a motorway in Ireland M7 motorway (Hungary), a motorway in Hungary Russian route M7's another name for the Volga Highway in Russia In bus transportation: M7 (New York City bus), a bus route in New York City In science: Mes… (More on M7)