List of highways numbered 510

Template:SHORTDESC: The following highways are numbered 510:

Canada

• File:Alberta Highway 510.svg Alberta Highway 510
• File:NB 510.svg New Brunswick Route 510
• File:NL Route 510.svg Newfoundland and Labrador Route 510
• File:Ontario Highway 510.svg Ontario Highway 510

Costa Rica

• File:CR RNT 510.svg National Route 510

Ireland

• File:IRL R510.svg R510 regional road

United States

• File:I-510.svg Interstate 510
  • File:I-510 (AZ).svg Interstate 510 (Arizona) (cancelled proposal)
• File:Florida 510.svg Florida State Road 510
• File:MD Route 510.svg Maryland Route 510
• File:County 510.svg County Route 510 (New Jersey)
• File:OH-510.svg Ohio State Route 510
• File:WA-510.svg Washington State Route 510

Territories

• File:Ellipse sign 510.svg Puerto Rico Highway 510

Preceded by 509

Lists of highways 510

Succeeded by 511