| LVR Segment Ranking Scheme | |
| Safety-Related Questions | If yes, add: |
| Risk Factors |
|
| Total width (TD) |
|
| TD ≤ 20 ft.? | 7 |
| 20 ft. < TD ≤ 24 ft.? | 4 |
| Horizontal curve? |
|
| Flatter curve (R ≥ 300 ft.) | 30 |
| Sharper curve (R < 300 ft.) | 60 |
| Grade steeper than ±4%? | 3 |
| Six or more driveways per mile? | 5 |
| Side slope steeper than 1V: 3H? | 4 |
| Fixed object within 15 ft of travel lane? | 4 |
| Unpaved road? | 14 |
| Poor pavement condition? (rutting, potholes, etc.) | 7 |
| Crash History |
|
| Fatal or serious injury crashes (N1) | N1 × 80 |
| Other crashes (N2) | N2 × 5 |
| Relative Risk Compound Score (RRCS) |
|
| Speed ≥ 50 mi/h? | RRCS × 1.25 |
| Got ADT? |
|
| ADT ≤ 300 veh/day | RRCS × 1.0 |
| 300 < ADT ≤ 600 veh/day | RRCS × 3.0 |
| 600 < ADT ≤ 1000 veh/day | RRCS × 5.0 |
| ADT > 1000 veh/day | RRCS × 7.0 |
| Global Risk Score (GRS) |
|