List of highways numbered 456
# List of highways numbered 456

The following highways are numbered 456:

## Japan

* Japan National Route 456

## United States

* 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 |
| - | - | - |
