M3 motorway

• EastLink (Melbourne)
• Eastern Freeway (Melbourne)
• M-3 (Michigan highway)
• M3 (Cape Town)
• M3 highway (Russia)
• M3 motorway (Great Britain)
• M3 motorway (Hungary)
• M3 motorway (Northern Ireland)
• M3 motorway (Pakistan)
• N3 road (Ireland)
• Pacific Motorway (Brisbane–Brunswick Heads)
• Riverside Expressway