International
E 91 European route E91
Australia
Cairns Western Arterial Road
Summerland Way
Canada
- British Columbia Highway 91
- British Columbia Highway 91A
- Newfoundland and Labrador Route 91
China
G91 Expressway
Iran
Road 91
Israel
Highway 91 (Israel)
Korea, South
- National Route 91
United States
-
Interstate 91
U.S. Route 91
Alabama State Route 91
Arkansas Highway 91
California State Route 91
Colorado State Highway 91
Florida State Road 91 (unsigned designation for Florida’s Turnpike)
Georgia State Route 91
Georgia State Route 91W (former)
Illinois Route 91
Iowa Highway 91
Kentucky Route 91