List of highways numbered 451
# List of highways numbered 451

The following highways are numbered 451:

## Canada

* Ontario Highway 451, commonly called the Queen Elizabeth Way.

## Japan

* Japan National Route 451

## Korea, South

* Jungbu Naeryuk Expressway Branch

## United Kingdom

* A451 from Stourbridge to Great Witley

## United States

* Florida State Road 451
* Kentucky Route 451
* Louisiana Highway 451
* Maryland Route 451 (former)
* New Mexico State Road 451
* Oregon Route 451
* Puerto Rico Highway 451
* Tennessee State Route 451
* Texas
   * Farm to Market Road 451
* Wyoming Highway 451

| Preceded by 450 | Lists of highways 451 | Succeeded by 452 |
| - | - | - |
