| TRANSPORT | Greenwich | Rockwall | United States |
| Commute Time | 35.3 | 33.3 | 28.1 |
| COMMUTE MODE | | | |
| Auto (alone) | 59.98% | 80.64% | 75.83% |
| Carpool | 4.79% | 11.07% | 10.67% |
| Mass Transit | 19.35% | 0.77% | 4.78% |
| Work at Home | 9.14% | 5.94% | 4.07% |
| COMMUTE TIME TO WORK | | | |
| Commute Less Than 15 min. | 32.53% | 25.98% | 28.58% |
| Commute 15 to 29 min. | 30.16% | 24.12% | 36.13% |
| Commute 30 to 44 min. | 7.95% | 23.35% | 19.69% |
| Commute 45 to 59 min. | 5.59% | 14.75% | 7.50% |
| Commute greater than 60 min. | 23.77% | 11.81% | 8.10% |