释义 |
- Australia
- Canada
- Japan
- Korea, South
- Turkey
- United States
The following highways are numbered 300: Australia- {{AUshield|VIC|A300}} {{AUshield|VIC|B300}} Midland Highway (Victoria)
- {{AUshield|VIC|B300}} Melba Highway (Victoria)
Canada- Manitoba Provincial Road 300
JapanKorea, South- Daejeon Southern Ring Expressway
Turkey - {{TUR-D|300}}, a west-east state road in Turkey running from Çeşme, İzmir Province to Kapıköy at the Iranian border.
United States- Arkansas Highway 300
- Colorado State Highway 300
- Delaware Route 300
- Florida State Road 300
- Georgia:
- Georgia State Route 300
- Georgia State Route 300 Connector
- Georgia State Route 300 (former)
- Iowa Highway 300 (former)
- Kentucky Route 300
- Louisiana Highway 300
- Maryland Route 300
- Minnesota State Highway 300
- Montana Secondary Highway 300
- New Jersey Route 300 (former)
- New Mexico State Road 300
- New York State Route 300
- Ohio State Route 300
- Pennsylvania Route 300 (official designation for Pennsylvania Route 283)
- South Carolina Highway 300
- Tennessee State Route 300 (unsigned)
- Texas:
- Texas State Highway 300
- Texas State Highway Spur 300
- Farm to Market Road 300
- Utah State Route 300 (former)
- Virginia State Route 300
- Washington State Route 300
{{Expand list|date=August 2008}}{{Roadindex|300}} |