| 释义 |
- Canada
- India
- Japan
- United States
The following highways are numbered 166: Canada- Prince Edward Island Route 166
India- National Highway 166 (India)
JapanUnited States- U.S. Route 166
- Alabama State Route 166
- Arizona State Route 166 (former)
- California State Route 166
- Connecticut Route 166
- Florida State Road 166
- Georgia State Route 166
- Illinois Route 166
- Indiana State Road 166
- Kentucky Route 166
- Maine State Route 166
- Maryland Route 166
- M-166 (Michigan highway)
- Nevada State Route 166 (former)
- New Jersey Route 166
- New Mexico State Road 166
- New York State Route 166
- Ohio State Route 166
- Oklahoma State Highway 166
- Pennsylvania Route 166
- Tennessee State Route 166
- Texas State Highway 166
- Texas State Highway Loop 166
- Utah State Route 166 (former)
- Virginia State Route 166
- Washington State Route 166
- Wisconsin Highway 166 (former)
{{Expand list|date=August 2008}}{{Roadindex|166}} |