|
| Dependent Variable | ||
| Number of Crashes Per Mile Per Year | |||
| Independent Variables | (1) | (2) | (3) |
| HA/HB events per mile per year | 0.002925*** | 0.002908*** | 0.002905*** |
| AADT | na | 0.000695*** | 0.000682*** |
| Number of lanes | na | −0.1936** | −0.1639* |
| Speed limit | na | −0.00574** | −0.005746** |
| Terrain: Flat | na | na | −0.31* |
| Terrain: Rolling | na | na | −0.3157* |
| Terrain: Hilly | na | na | −0.3924* |
| Constant | 0.1577*** | 0.8001*** | 1.077*** |
| Observations | 50,662 | 50,662 | 50,662 |
| Adjusted R2 | 0.3464 | 0.3474 | 0.3476 |
| Residual Standard Error | 7.352 | 1.871 | 1.885 |
| F-Statistic | 26,860*** | 6743*** | 3856*** |