The following highways are numbered 80:
 |
Buchanan Highway 
Burleigh Connection Road – Queensland State Route 80
M80 Ring Road, North East Link (under construction) (Melbourne)
(South Australia) – Monaro Highway (Now 
)
Interstate 80 
Interstate 80N (former; four highways)
Interstate 80S (former; two highways)
U.S. Route 80 
Arizona State Route 80 
Arkansas Highway 80 
California State Route 80 (1964) (former)
Connecticut Route 80 
Florida State Road 80 
Georgia State Route 80 
Hawaii Route 80 
Illinois Route 80 (former)
K-80 (Kansas highway) 
Kentucky Route 80 
Maryland Route 80 
Massachusetts Route 80 
M-80 (Michigan highway) 
Minnesota State Highway 80 
Missouri Route 80 
Montana Highway 80 
Nebraska Highway 80 (former) 
Nevada State Route 80 (former)
County Route 80 (Bergen County, New Jersey) 
New Mexico State Road 80 
New York State Route 80 
County Route 80 (Dutchess County, New York) 
County Route 80 (Madison County, New York) County Route 80 (Montgomery County, New York) County Route 80 (Onondaga County, New York) 
County Route 80 (Rockland County, New York) 
County Route 80 (Saratoga County, New York) County Route 80 (Schenectady County, New York) 
County Route 80 (Suffolk County, New York) 
County Route 80A (Westchester County, New York) 
North Carolina Highway 80 
Ohio State Route 80 (former)
Oklahoma State Highway 80 
Pennsylvania Route 80 (former)
South Carolina Highway 80 
Tennessee State Route 80 
Texas State Highway 80 
Utah State Route 80 (1935–1977) (former)
Virginia State Route 80 
West Virginia Route 80 
Wisconsin Highway 80 | Preceded by 79 | Lists of highways 80 | Succeeded by 81 |
