| 释义 |
- International
- Australia
- Canada
- India
- Korea, South
- Mexico
- United States
Route 81 or Highway 81 may refer to: {{TOC right}}International- {{AHN-AH|81}} Asian Highway 81
- {{BAB-E|81}} European route E81
Australia- {{AUshield|NSW|B81}} Escort Way (New South Wales)
- {{AUshield|S|81|size=x20px}} Mulligan Highway and Peninsula Developmental Road - Queensland State Route 81
Canada- Newfoundland and Labrador Route 81
India- National Highway 81 (India)
Korea, SouthMexico- Mexican Federal Highway 81
United States- Interstate 81
- Interstate 81E (former)
- Interstate 81S (former)
- U.S. Route 81
- Alabama State Route 81
- Arizona State Route 81 (former)
- Arkansas Highway 81
- California State Route 81
- Connecticut Route 81
- Florida State Road 81
- Georgia State Route 81
- Idaho State Highway 81
- Illinois Route 81
- Iowa Highway 81
- Kentucky Route 81
- Louisiana Highway 81
- Maryland Route 81 (former)
- Massachusetts Route 81
- M-81 (Michigan highway)
- One of two former Minnesota State Highway 81s:
- Trunk Highway 81 (Minnesota)
- Minnesota State Highway 81 (pre-1988)
- Missouri Route 81
- Montana Highway 81
- Nebraska Highway 81 (former)
- Nevada State Route 81 (former)
- New Jersey Route 81
- New Mexico State Road 81
- New York State Route 81
- North Carolina Highway 81
- Ohio State Route 81
- Pennsylvania Route 81 (former)
- Rhode Island Route 81
- South Carolina Highway 81
- South Dakota Highway 81 (former)
- Tennessee State Route 81
- Texas State Highway 81
- Farm to Market Road 81 (Texas)
- Utah State Route 81
- Virginia State Route 81 (former)
- Wisconsin Highway 81
Territories:- U.S. Virgin Islands Highway 81
Other:- Route 81 may also refer to Route 81 (Hells Angels)
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