Route 0, or Highway 0, may refer to routes in the following countries:
Belgium R0 motorway (Belgium), the ring road around Brussels
Czech Republic D0 motorway (Czech Republic), bypassing Prague
Hungary M0 motorway (Hungary), bypassing Budapest
Numbered streets 0 Avenue in British Columbia, Canada
Future highways Bucharest Ring Motorway, in Romania, when constructed, will be numbered A0.
Fictional Highway 0 from Jet Set Radio Future Interstate 0 from I-0 Route 0 from Kentucky Route Zero Highway Zero, a novel by Billy Lawrence
See also U.S. Route 2, the highway carrying the designation assigned to avoid a U.S. Route 0