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List of highways numbered 400 
Summary
The following highways are numbered 400:
This list is incomplete; you can help by adding missing items. (August 2008) |
Australia edit
Canada edit
Croatia edit
Ireland edit
Japan edit
Korea, South edit
Capital Region Second Ring Expressway
South Africa edit
R400 road in the Eastern Cape
Spain edit
Turkey edit
D.400, a west–east state road in Turkey running from Datça, Muğla Province to Esendere at the Iranian border.
United Kingdom edit
A400 road in London- B400 road (Chancery Lane)
United States edit
U.S. Route 400
Arkansas Highway 400
Florida State Road 400
Georgia State Route 400
Kentucky Route 400
Louisiana Highway 400
Maryland Route 400, a former state highway
Nevada State Route 400- New York:
North Carolina Highway 400- Pennsylvania Route 400 (official designation for Pennsylvania Route 380)
Puerto Rico Highway 400
South Carolina Highway 400
Tennessee State Route 400- Texas:
- Utah:
- Road 400 (Cottonwood Canyon Road)
Virginia State Route 400
- Virginia State Route 400 (former)
| Preceded by 399 |
Lists of highways 400 |
Succeeded by 401 |