Figure 1 is a map highlighting the 13 states that were used to collect work zone data. The map shows the number of work zones reported in each state.
| State | Number of Work Zones |
|---|---|
| Virginia | 27 |
| Tennessee | 35 |
| Kentucky | 49 |
| Indiana | 137 |
| Kansas | 140 |
| Nebraska | 8 |
| New Mexico | 68 |
| Utah | 39 |
| Nevada | 33 |
| Idaho | 44 |
| Montana | 90 |
| Washington | 78 |
| Oregon | 21 |
The total number of reported work zones is 789.
