| 释义 |
- Brazil
- Canada
- India
- Japan
- Malaysia
- Mexico
- Spain
- United States
The following highways are numbered 123: Brazil- SP-123 (Rodovia Floriano Rodrigues Pinheiro)
Canada- New Brunswick Route 123
- Prince Edward Island Route 123
- Saskatchewan Highway 123
India- National Highway 123 (India) (NH 123) in the states of Rajasthan and Uttar Pradesh
JapanMalaysia- Malaysia Federal Route 123 (Jalan Rasau Kerteh Selatan), Terengganu, Malaysia
Mexico- Mexican Federal Highway 123 (Carretera Federal 123)
Spain- N-123 road (Spain), connects Benabarre to Barbastro
United States- U.S. Route 123 (former)
- U.S. Route 123
- Alabama State Route 123
- Arkansas Highway 123
- California State Route 123
- Connecticut Route 123
- Florida State Road 123
- Georgia State Route 123
- Illinois Route 123
- Indiana State Road 123 (former)
- K-123 (Kansas highway)
- Kentucky Route 123
- Louisiana Highway 123
- Maine State Route 123
- Maryland Route 123 (former)
- Massachusetts Route 123
- M-123 (Michigan highway)
- Minnesota State Highway 123
- Missouri Route 123
- New Hampshire Route 123
- County Route 123
- New York State Route 123
- County Route 123
- County Route 123
- North Carolina Highway 123
- Ohio State Route 123
- Oklahoma State Highway 123
- Pennsylvania Route 123 (former)
- Puerto Rico Highway 123
- Rhode Island Route 123
- South Dakota Highway 123
- Tennessee State Route 123
- Texas State Highway 123
- Texas State Highway Loop 123
- Farm to Market Road 123
- Utah State Route 123
- Vermont Route 123
- Virginia State Route 123
- Washington State Route 123
- West Virginia Route 123
- Wisconsin Highway 123
{{Roadindex|123}} |