N16a
Names for a highway with two lanes on each side and a separation down the middle:
| FREEWAY | 6 |
| DIVIDED HIGHWAY | 5 |
| INTERSTATE | 3 |
| INTERSTATE ROAD | 2 |
| EXPRESSWAY | 1 |
| FOUR-LANE ROAD | 1 |
| HIGH WAY | 1 |
| SUPER SLAB | 1 |
DARE Data Summary by Dictionary of American Regional English (DARE) is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.