List of highways numbered 80
The following highways are numbered 80:
International
- European route E80
- Arab Mashreq route M80
Australia
- Buchanan Highway
- Burleigh Connection Road – Queensland State Route 80
- M80 Ring Road, North East Link
Decommissioned Routes
- – Monaro Highway
Belgium
- N80 road
Brazil
- BR-080
Canada
- Newfoundland and Labrador Route 80
- Saskatchewan Highway 80
- Winnipeg Route 80
China
- G80 Expressway
Finland
- Finnish national road 80
France
- N80 road
Germany
- Bundesstraße 80
Greece
- EO80 road
India
Ireland
- N80 road
Israel
- Highway 80
Jordan
Korea, South
- National Route 80
Kuwait
- Highway 80
Mexico
- Mexican Federal Highway 80
New Zealand
- New Zealand State Highway 80
Philippines
- N80 highway
South Africa
- R80 road
Spain
- Autovía A-80
- Autovía CV-80
United Arab Emirates
- D 80 road
United Kingdom
- A80 road
- M80 motorway
United States
- Interstate 80
- * Interstate 80N
- * Interstate 80S
- U.S. Route 80
- County Route 80
- Arizona State Route 80
- Arkansas Highway 80
- Connecticut Route 80
- Florida State Road 80
- * County Road 80A
- Georgia State Route 80
- Hawaii Route 80
- Illinois Route 80
- K-80
- Kentucky Route 80
- Maryland Route 80
- *Maryland Route 80A
- *Maryland Route 80B
- *Maryland Route 80C
- Massachusetts Route 80
- M-80
- Minnesota State Highway 80
- Missouri Route 80
- *Missouri Route 80
- Montana Highway 80
- Nebraska Highway 80
- * Nebraska Link 80E
- * Nebraska Link 80F
- * Nebraska Link 80G
- * Nebraska Link 80H
- * Nebraska Spur 80B
- * Nebraska Spur 80C
- * Nebraska Spur 80D
- Nevada State Route 80
- County Route 80
- New Mexico State Road 80
- New York State Route 80
- * County Route 80
- * County Route 80
- * County Route 80
- * County Route 80
- * County Route 80
- ** County Route 80A
- * County Route 80
- * County Route 80
- * County Route 80
- * County Route 80A
- North Carolina Highway 80
- Ohio State Route 80
- Oklahoma State Highway 80
- * Oklahoma State Highway 80A
- Pennsylvania Route 80
- South Carolina Highway 80
- Tennessee State Route 80
- Texas State Highway 80
- * Texas State Highway Spur 80
- * Farm to Market Road 80
- Utah State Route 80
- Virginia State Route 80
- West Virginia Route 80
- Wisconsin Highway 80
- U.S. Virgin Islands Highway 80