Interstate 280
There are several interstate highways numbered 280 in the United States . These are bypasses and relief routes for Interstate Highway 80 . Three-digit numbers designate freeway rings and feeders to more important one- and two-digit interstate highways, they are often assigned in several states at the same time for different routes
- Interstate 280 (California)
- Interstate 280 (Illinois-Iowa)
- Interstate 280 (New Jersey)
- Interstate 280 (Ohio)
- Interstate 280 (between 1958 and 1964), now Interstate 276 ; see Pennsylvania Turnpike