Would you support or oppose constructing an additional I-66 in each direction outside the Beltway to Route 28?
| Region | Alexandria | Arlington | Fairfax Co. | Loudoun Co. | Prince William Co. | |
| Strongly Support | 39% | 32% | 36% | 39% | 54% | 35% |
| Somewhat Support | 34% | 44% | 30% | 38% | 30% | 27% |
| Somewhat Oppose | 7% | 12% | 8% | 6% | 4% | 9% |
| Strongly Oppose | 8% | 6% | 10% | 5% | 3% | 16% |
| Not Sure | 11% | 6% | 16% | 12% | 9% | 12% |