Excel | CSV | Graphic Version
| % of travelers | ||
|---|---|---|
| 1995 | 2001 | |
| Pavement condition | 24.10 | 31.00 |
| Highway congestion | 20.50 | 28.00 |
| Not knowing about traffic tie-ups | 24.57 | 26.72 |
| Worry about accidents | 22.94 | 24.75 |
| Lack of walkways | 14.74 | 16.54 |
Source: Oak Ridge National Laboratory.