LVR Intersection Ranking Scheme

Safety-Related Questions

If yes, add:

Baseline Score

50

Roadway Factors

Skew angle > 20 degree?

10

Uncontrolled Intersection?

60

Lighting?

−5

Left-turn lanes on uncontrolled approach?

−30

Crash History

Fatal or serious injury crashes (N1)

N1 × 80

Other crashes (N2)

N2 × 5

Relative Risk Compound Score (RRCS)

Got ADT?

ADTint ≤ 600 veh/day

RRCS × 1.0

600 < ADTint ≤ 1200 veh/day

RRCS × 2.0

1200 < ADTint ≤ 2000 veh/day

RRCS × 4.0

ADTint > 2000 veh/day

RRCS × 6.0

Global Risk Score (GRS)