List of highways numbered 278
# List of highways numbered 278

The following highways are numbered 278:

## Canada

* Manitoba Provincial Road 278

## Japan

* Japan National Route 278

## United States

* Interstate 278
* U.S. Route 278
* Arkansas Highway 278 (former)
* Florida State Road 278 (former)
* Georgia State Route 278
* K-278 (Kansas highway)
* Kentucky Route 278
* Maryland Route 278 (former)
* Minnesota State Highway 278 (former)
* Montana Secondary Highway 278
* New Mexico State Road 278
* Nevada State Route 278
* New York State Route 278
* Ohio State Route 278
* Pennsylvania Route 278 (former)
* Tennessee State Route 278
* Texas State Highway 278 (former)
   * Texas State Highway Spur 278
   * Farm to Market Road 278 (Texas)
* Utah State Route 278 (former)
* Virginia State Route 278
* Washington State Route 278

| Preceded by 277 | Lists of highways 278 | Succeeded by 279 |
| - | - | - |
