The following highways are numbered 491:
Canada edit
Israel edit
Japan edit
United States edit
- Interstate 491 (cancelled proposal)
- U.S. Route 491
- Delaware Route 491
- Florida State Road 491 (former)
- Maryland Route 491
- Pennsylvania Route 491
- Puerto Rico Highway 491
Preceded by 490 |
Lists of highways 491 |
Succeeded by 492 |