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Appendix B. Quick Reference Tables

The following quick reference tables provide safety index values for users of Ped ISI and Bike ISI. The scale for the index values is as follows:

Table 7. Ped ISI and Bike ISI values.

Values Defined

1

(safest, lowest priority for further evaluation)

2

3

4

5

6

(least safe, highest priority for further evaluation)
Table 8. Pedestrian safety index-signalized crossing in a commercial area.
Main Rd Thru Lns 1 Through Lane 2 Through Lanes 3 Through Lanes 4 Through Lanes
Main Rd Speed 25 30 35 40 45 25 30 35 40 45 25 30 35 40 45 25 30 35 40 45
Main ADT 1,0001.51.61.71.81.91.92.02.02.12.22.22.32.42.52.62.52.62.72.82.9
5,0001.61.61.71.81.91.92.02.12.22.32.22.32.42.52.62.62.72.72.82.9
10,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
15,0001.61.71.81.92.02.02.02.12.22.32.32.42.52.62.62.62.72.82.93.0
20,0001.61.71.81.92.02.02.12.22.32.32.32.42.52.62.72.72.72.82.93.0
25,0001.71.81.91.92.02.02.12.22.32.42.32.42.52.62.72.72.82.93.03.0
30,0001.71.81.92.02.12.02.12.22.32.42.42.52.62.62.72.72.82.93.03.1
35,0001.71.81.92.02.12.12.22.32.32.42.42.52.62.72.82.72.82.93.03.1
40,0001.81.91.92.02.12.12.22.32.42.52.42.52.62.72.82.82.93.03.03.1
45,0001.81.92.02.12.22.12.22.32.42.52.52.62.62.72.82.82.93.03.13.2
50,0001.81.92.02.12.22.22.32.32.42.52.52.62.72.82.92.82.93.03.13.2
Table 9. Pedestrian safety index—signalized crossing in a noncommercial area.
Main Rd Thru Lns 1 Through Lane 2 Through Lanes 3 Through Lanes 4 Through Lanes
Main Rd Speed2530354045253035404525303540452530354045
Main ADT1,0001.31.41.51.61.71.61.71.81.92.02.02.12.12.22.32.32.42.52.62.7
5,0001.31.41.51.61.71.71.71.81.92.02.02.12.22.32.42.32.42.52.62.7
10,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
15,0001.41.51.61.71.71.71.81.92.02.12.12.12.22.32.42.42.52.62.72.7
20,0001.41.51.61.71.81.71.81.92.02.12.12.22.32.42.42.42.52.62.72.8
25,0001.41.51.61.71.81.81.92.02.02.12.12.22.32.42.52.42.52.62.72.8
30,0001.51.61.71.71.81.81.92.02.12.22.12.22.32.42.52.52.62.72.72.8
35,0001.51.61.71.81.91.81.92.02.12.22.22.32.42.42.52.52.62.72.82.9
40,0001.51.61.71.81.91.92.02.02.12.22.22.32.42.52.62.52.62.72.82.9
45,0001.61.71.71.81.91.92.02.12.22.32.22.32.42.52.62.62.72.72.82.9
50,0001.61.71.81.92.01.92.02.12.22.32.32.42.42.52.62.62.72.82.93.0
Table 10. Pedestrian safety index-stop-controlled crossing in a commercial area.
Main Rd Thru Lns 1 Through Lane 2 Through Lanes 3 Through Lanes 4 Through Lanes
Main Rd Speed 2530354045253035404525303540452530354045
Main ADT
1,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
5,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
10,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
15,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
20,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
25,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
30,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
35,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
40,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
45,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
50,0001.61.71.81.91.91.92.02.12.22.32.32.32.42.52.62.62.72.82.93.0
Table 11. Pedestrian safety index—stop-controlled crossing in a noncommercial area.
Main Rd Thru Lns 1 Through Lane 2 Through Lanes 3 Through Lanes 4 Through Lanes
Main Rd Speed 2530354045253035404525303540452530354045
Main ADT1,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
5,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
10,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
15,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
20,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
25,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
30,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
35,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
40,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
45,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
50,0001.41.41.51.61.71.71.81.92.02.02.02.12.22.32.42.42.42.52.62.7
Table 12. Pedestrian safety index—uncontrolled crossing in a commercial area.
Main Rd Thru Lns 1 Through Lane 2 Through Lanes 3 Through Lanes 4 Through Lanes
Main Rd Speed2530354045253035404525303540452530354045
Main ADT1,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
5,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
10,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
15,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
20,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
25,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
30,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
35,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
40,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
45,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
50,0003.43.53.63.73.83.73.83.94.04.14.14.24.24.34.44.44.54.64.74.8
Table 13. Pedestrian safety index—uncontrolled crossing in a noncommercial area.
Main Rd Thru Lns 1 Through Lane 2 Through Lanes 3 Through Lanes 4 Through Lanes
Main Rd Speed2530354045253035404525303540452530354045
Main ADT1,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
5,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
10,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
15,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
20,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
25,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
30,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
35,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
40,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
45,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
50,0003.23.23.33.43.53.53.63.73.83.93.83.94.04.14.24.24.34.34.44.5
Table 14. Bicycle safety index—through movement—signalized intersection with bike lane.
Main Rd Spd Lmt Less than 35 mph 35 mph or more
ParkingYesNoYesNo
RT LanesNo RT Lane1 RT LaneNo RT Lane1 RT LaneNo RT Lane1 RT LaneNo RT Lane1 RT Lane
Turning VehicleYesNoYesNoYesNoYesNoYesNoYesNoYesNoYesNo
Main ADTCross ADT    
1,0001,0002.01.32.51.81.81.12.31.62.82.23.32.62.62.03.12.4
5,0002.01.32.51.81.81.12.31.62.82.23.32.62.62.03.12.4
10,0002.01.32.51.81.81.12.31.62.82.23.32.62.62.03.12.4
20,0002.01.32.51.81.81.12.31.62.82.23.32.62.62.03.12.4
30,0002.01.32.51.81.81.12.31.62.82.23.32.62.62.03.12.4
40,0002.01.32.51.81.81.12.31.62.82.23.32.62.62.03.12.4
5,000
1,0002.11.42.51.91.91.22.31.72.92.23.42.72.72.03.22.5
5,0002.11.42.51.91.91.22.31.72.92.23.42.72.72.03.22.5
10,0002.11.42.51.91.91.22.31.72.92.23.42.72.72.03.22.5
20,0002.11.42.51.91.91.22.31.72.92.23.42.72.72.03.22.5
30,0002.11.42.51.91.91.22.31.72.92.23.42.72.72.03.22.5
40,0002.11.42.51.91.91.22.31.72.92.23.42.72.72.03.22.5
10,000
1,0002.21.52.62.02.01.32.41.83.02.33.52.82.82.13.32.6
5,0002.21.52.62.02.01.32.41.83.02.33.52.82.82.13.32.6
10,0002.21.52.62.02.01.32.41.83.02.33.52.82.82.13.32.6
20,0002.21.52.62.02.01.32.41.83.02.33.52.82.82.13.32.6
30,0002.21.52.62.02.01.32.41.83.02.33.52.82.82.13.32.6
40,0002.21.52.62.02.01.32.41.83.02.33.52.82.82.13.32.6
20,000
1,0002.41.72.82.22.21.52.62.03.22.53.63.03.02.33.42.8
5,0002.41.72.82.22.21.52.62.03.22.53.63.03.02.33.42.8
10,0002.41.72.82.22.21.52.62.03.22.53.63.03.02.33.42.8
20,0002.41.72.82.22.21.52.62.03.22.53.63.03.02.33.42.8
30,0002.41.72.82.22.21.52.62.03.22.53.63.03.02.33.42.8
40,0002.41.72.82.22.21.52.62.03.22.53.63.03.02.33.42.8
30,000
1,0002.61.93.02.42.41.72.82.23.42.73.83.23.22.53.63.0
5,0002.61.93.02.42.41.72.82.23.42.73.83.23.22.53.63.0
10,0002.61.93.02.42.41.72.82.23.42.73.83.23.22.53.63.0
20,0002.61.93.02.42.41.72.82.23.42.73.83.23.22.53.63.0
30,0002.61.93.02.42.41.72.82.23.42.73.83.23.22.53.63.0
40,0002.61.93.02.42.41.72.82.23.42.73.83.23.22.53.63.0
40,0001,0002.72.13.22.62.51.93.02.43.62.94.03.43.42.73.83.2
5,0002.72.13.22.62.51.93.02.43.62.94.03.43.42.73.83.2
10,0002.72.13.22.62.51.93.02.43.62.94.03.43.42.73.83.2
20,0002.72.13.22.62.51.93.02.43.62.94.03.43.42.73.83.2
30,0002.72.13.22.62.51.93.02.43.62.94.03.43.42.73.83.2
40,0002.72.13.22.62.51.93.02.43.62.94.03.43.42.73.83.2
50,0001,0002.92.33.42.82.72.13.22.63.73.14.23.63.52.94.03.4
5,0002.92.33.42.82.72.13.22.63.73.14.23.63.52.94.03.4
10,0002.92.33.42.82.72.13.22.63.73.14.23.63.52.94.03.4
20,0002.92.33.42.82.72.13.22.63.73.14.23.63.52.94.03.4
30,0002.92.33.42.82.72.13.22.63.73.14.23.63.52.94.03.4
40,0002.92.33.42.82.72.13.22.63.73.14.23.63.52.94.03.4
Table 15. Bicycle safety index-through movement-signalized intersection with no bike lane.
Main Rd Spd LmtLess than 35 mph35 mph or more
ParkingYesNoYesNo
RT LanesNo RT Lane1 RT LaneNo RT Lane1 RT LaneNo RT Lane1 RT LaneNo RT Lane1 RT Lane
Turning VehicleYesNoYesNoYesNoYesNoYesNoYesNoYesNoYesNo
Main ADT Cross ADT    
1,0001,0002.51.82.51.82.31.62.31.63.32.63.32.63.12.43.12.4
5,0002.51.92.51.92.31.72.31.73.42.73.42.73.22.53.22.5
10,0002.72.02.72.02.51.82.51.83.52.83.52.83.32.63.32.6
20,0002.92.22.92.22.72.02.72.03.73.13.73.13.52.93.52.9
30,0003.12.53.12.52.92.32.92.33.93.33.93.33.73.13.73.1
40,0003.32.73.32.73.12.53.12.54.23.54.23.54.03.34.03.3
5,0001,0002.51.92.51.92.31.72.31.73.32.73.32.73.12.53.12.5
5,0002.62.02.62.02.41.82.41.83.42.83.42.83.22.63.22.6
10,0002.72.12.72.12.51.92.51.93.52.93.52.93.32.73.32.7
20,0003.02.33.02.32.82.12.82.13.83.13.83.13.62.93.62.9
30,0003.22.53.22.53.02.33.02.34.03.44.03.43.83.23.83.2
40,0003.42.83.42.83.22.63.22.64.23.64.23.64.03.44.03.4
10,0001,0002.62.02.62.02.41.82.41.83.42.83.42.83.22.63.22.6
5,0002.72.12.72.12.51.92.51.93.52.93.52.93.32.73.32.7
10,0002.82.22.82.22.62.02.62.03.63.03.63.03.42.83.42.8
20,0003.12.43.12.42.92.22.92.23.93.23.93.23.73.03.73.0
30,0003.32.63.32.63.12.43.12.44.13.54.13.53.93.33.93.3
40,0003.52.93.52.93.32.73.32.74.33.74.33.74.13.54.13.5
20,0001,0002.82.22.82.22.62.02.62.03.63.03.63.03.42.83.42.8
5,0002.92.32.92.32.72.12.72.13.73.13.73.13.52.93.52.9
10,0003.02.43.02.42.82.22.82.23.83.23.83.23.63.03.63.0
20,0003.22.63.22.63.02.43.02.44.13.44.13.43.93.23.93.2
30,0003.52.83.52.83.32.63.32.64.33.64.33.64.13.44.13.4
40,0003.73.13.73.13.52.93.52.94.53.94.53.94.33.74.33.7
30,0001,0003.02.43.02.42.82.22.82.23.83.23.83.23.63.03.63.0
5,0003.12.43.12.42.92.22.92.23.93.33.93.33.73.13.73.1
10,0003.22.63.22.63.02.43.02.44.03.44.03.43.83.23.83.2
20,0003.42.83.42.83.22.63.22.64.33.64.33.64.13.44.13.4
30,0003.73.03.73.03.52.83.52.84.53.84.53.84.33.64.33.6
40,0003.93.23.93.23.73.03.73.04.74.14.74.14.53.94.53.9
40,0001,0003.22.53.22.53.02.33.02.34.03.44.03.43.83.23.83.2
5,0003.32.63.32.63.12.43.12.44.13.44.13.43.93.23.93.2
10,0003.42.73.42.73.22.53.22.54.23.64.23.64.03.44.03.4
20,0003.63.03.63.03.42.83.42.84.43.84.43.84.23.64.23.6
30,0003.93.23.93.23.73.03.73.04.74.04.74.04.53.84.53.8
40,0004.13.44.13.43.93.23.93.24.94.34.94.34.74.14.74.1
50,0001,0003.42.73.42.73.22.53.22.54.23.54.23.54.03.34.03.3
5,0003.52.83.52.83.32.63.32.64.33.64.33.64.13.44.13.4
10,0003.62.93.62.93.42.73.42.74.43.84.43.84.23.64.23.6
20,0003.83.23.83.23.63.03.63.04.64.04.64.04.43.84.43.8
30,0004.03.44.03.43.83.23.83.24.94.24.94.24.74.04.74.0
40,0004.33.64.33.64.13.44.13.45.14.45.14.44.94.24.94.2
Table 16. Bicycle safety index-through movement-unsignalized intersection with bike lane.
Main Rd Spd Lmt Less than 35 mph 35 mph or more
Parking Yes No Yes No
RT Lanes No RT Lane 1 RT Lane No RT Lane 1 RT Lane No RT Lane 1 RT Lane No RT Lane 1 RT Lane
Turning Vehicle Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No
Main ADT Cross ADT    
1,0001,0002.01.32.51.81.81.12.31.62.82.23.32.62.62.03.12.4
5,0002.01.32.51.81.81.12.31.62.82.23.32.62.62.0