The following highways are numbered 456:
Japan
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United States
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Louisiana Highway 456
Maryland Route 456
New Mexico State Road 456
New York State Route 456
Pennsylvania Route 456
Puerto Rico Highway 456
Farm to Market Road 456
| Preceded by 455 |
Lists of highways 456 |
Succeeded by 457 |
This article includes a list of roads, streets, highways, or other routes that are associated with the same title.
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