Names for a highway with two lanes on each side and a separation down the middle:
| FOUR-LANE | 214 |
| FREEWAY | 176 |
| DIVIDED HIGHWAY | 133 |
| FOUR-LANE HIGHWAY | 131 |
| SUPER HIGHWAY | 91 |
| INTERSTATE | 76 |
| EXPRESSWAY | 55 |
| DUAL HIGHWAY | 48 |
| THROUGHWAY | 48 |
| FOUR-LANE ROAD | 42 |
| PARKWAY | 39 |
| TURNPIKE | 24 |
| NR | 19 |
| DIVIDED | 17 |
| DUAL | 14 |
| BOULEVARD | 12 |
| DUAL LANE | 12 |
| FOUR-LANE DRIVE | 12 |
| DOUBLE LANE | 11 |
| DOUBLE HIGHWAY | 10 |
| HIGHWAY | 9 |
| INTERSTATE HIGHWAY | 9 |
| TWO-LANE HIGHWAY | 9 |
| TWO-WAY HIGHWAY | 8 |
| INTERSTATE ROAD | 7 |
| FOUR-WAY | 6 |
| TWO-LANE | 6 |
| NH | 5 |
| STATE HIGHWAY | 4 |
| SUPER | 4 |
| TWO-LANE DRIVE | 4 |
| DIVIDED ROAD | 3 |
| FOUR-WAY HIGHWAY | 3 |
| SPEEDWAY | 3 |
| TOLL ROAD | 3 |
| TWO-WAY DRIVE | 3 |
| DOUBLE LANE HIGHWAY | 2 |
| DOUBLE LANE ROAD | 2 |
| DUAL LANE HIGHWAY | 2 |
| FOUR-WAY DRIVE | 2 |
| FOUR-WAY LANE | 2 |
| HARD ROAD | 2 |
| NORTHWAY | 2 |
| ONE-WAY | 2 |
| ONE-WAY HIGHWAY | 2 |
| QUICKWAY | 2 |
| TWO-LANE ROAD | 2 |
| TWO-WAY | 2 |
| ACCESS | 1 |
| BIG ROAD | 1 |
| BY-PASS | 1 |
| DIVIDED DRIVE | 1 |
| DIVIDED LANE HIGHWAY | 1 |
| DIVIDING HIGHWAY | 1 |
| DOUBLE | 1 |
| DOUBLE BARREL | 1 |
| DOUBLE BARREL ROAD | 1 |
| DOUBLE TRACK | 1 |
| DOUBLE TRACK ROAD | 1 |
| DUAL LANE ROAD | 1 |
| EXPRESS ROAD | 1 |
| FAST ROAD | 1 |
| FOUR-WAY DRIVE EXTRY | 1 |
| GARDEN STATE HIGHWAY | 1 |
| INTERREGIONAL | 1 |
| LANES | 1 |
| LIMITED ACCESS | 1 |
| LIMITED ACCESS HIGHWAY | 1 |
| LIMITED ACCESS ROAD | 1 |
| MULTI-LANE HIGHWAY | 1 |
| OPEN HIGHWAY | 1 |
| PAVED ROAD | 1 |
| PAVEMENT | 1 |
| PIKE | 1 |
| ROUTE NUMBER | 1 |
| SEPARATED HIGHWAY | 1 |
| SHORTWAY | 1 |
| SLAB | 1 |
| SPLIT HIGHWAY | 1 |
| SPLIT-LEVEL | 1 |
| SUNSHINE STATE PARKWAY | 1 |
| SUPER FREEWAY | 1 |
| THROUGH HIGHWAY | 1 |
| THROUGH SHOT | 1 |
| TOLLWAY | 1 |
| TWO-WAY ROAD | 1 |
DARE Data Summary by Dictionary of American Regional English (DARE) is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.