Summary of the variables
| Variable | Description | Proportion (%) | |
|---|---|---|---|
| Dependent variable | |||
| Severity | No injury | 0 | 9(4.3) |
| Vehicle slight | 1 | 165(78.5) | |
| Vehicle severe | 2 | 6(2.9) | |
| Slight injury | 3 | 6(2.9) | |
| Severe injury | 4 | 4(1.9) | |
| Fatality | 5 | 20(9.5) | |
| Liability | AV system | 0 | 5(2.4) |
| AV driver | 1 | 145(69.0) | |
| 2nd party | 2 | 33(15.7) | |
| 3rd party | 3 | 27(12.9) | |
| Independent variable | |||
| Time | Off-peak | 0 | 170(80.9) |
| Peak | 1 | 40(19.1) | |
| Day | Day | 0 | 162(77.1) |
| Night | 1 | 48(22.9) | |
| Location | Intersection | 0 | 140(66.7) |
| Segment | 1 | 70(33.3) | |
| Crash type | Frontal | 0 | 33(15.7) |
| Rear-end | 1 | 148(70.5) | |
| Right collision | 2 | 13(6.2) | |
| Left collision | 3 | 16(7.6) | |
| Crash reason | Malfunction | 0 | 7(3.3) |
| AV driver wrong operation | 1 | 147(70.0) | |
| 2nd party driver wrong operation | 2 | 50(23.8) | |
| Non-motorized vehicles | 3 | 6(2.9) | |
| Intelligence level | Level 2 | 0 | 3 (1.4) |
| Level 3 | 1 | 32(15.2) | |
| Level 4 | 2 | 168(80.0) | |
| Level 5 | 3 | 7(3.3) | |
| Vehicle action | Still | 0 | 16(7.6) |
| Reverse | 1 | 5(2.4) | |
| Right-turn | 2 | 122(58.1) | |
| Left-turn | 3 | 10(4.8) | |
| Straightforward | 4 | 57(37.1) | |
| Weather | Unknown | 0 | 5(2.3) |
| Sunny | 1 | 195(92.9) | |
| Cloudy | 2 | 4(1.9) | |
| Rainy | 3 | 6(2.9) | |
| Light | Unknown | 0 | 6(2.9) |
| Sunlight | 1 | 174(82.9) | |
| Street light | 2 | 30(14.2) | |
| AV brand | Alphabet | 1 | 31(31.96) |
| Tesla | 2 | 24 (24.74) | |
| GM | 3 | 22(22.68) | |
| Others | 0 | 20(20.62) | |
| Variable | Description | Proportion (%) | |
|---|---|---|---|
| Severity | No injury | 0 | 9(4.3) |
| Vehicle slight | 1 | 165(78.5) | |
| Vehicle severe | 2 | 6(2.9) | |
| Slight injury | 3 | 6(2.9) | |
| Severe injury | 4 | 4(1.9) | |
| Fatality | 5 | 20(9.5) | |
| Liability | AV system | 0 | 5(2.4) |
| AV driver | 1 | 145(69.0) | |
| 2nd party | 2 | 33(15.7) | |
| 3rd party | 3 | 27(12.9) | |
| Time | Off-peak | 0 | 170(80.9) |
| Peak | 1 | 40(19.1) | |
| Day | Day | 0 | 162(77.1) |
| Night | 1 | 48(22.9) | |
| Location | Intersection | 0 | 140(66.7) |
| Segment | 1 | 70(33.3) | |
| Crash type | Frontal | 0 | 33(15.7) |
| Rear-end | 1 | 148(70.5) | |
| Right collision | 2 | 13(6.2) | |
| Left collision | 3 | 16(7.6) | |
| Crash reason | Malfunction | 0 | 7(3.3) |
| AV driver wrong operation | 1 | 147(70.0) | |
| 2nd party driver wrong operation | 2 | 50(23.8) | |
| Non-motorized vehicles | 3 | 6(2.9) | |
| Intelligence level | Level 2 | 0 | 3 (1.4) |
| Level 3 | 1 | 32(15.2) | |
| Level 4 | 2 | 168(80.0) | |
| Level 5 | 3 | 7(3.3) | |
| Vehicle action | Still | 0 | 16(7.6) |
| Reverse | 1 | 5(2.4) | |
| Right-turn | 2 | 122(58.1) | |
| Left-turn | 3 | 10(4.8) | |
| Straightforward | 4 | 57(37.1) | |
| Weather | Unknown | 0 | 5(2.3) |
| Sunny | 1 | 195(92.9) | |
| Cloudy | 2 | 4(1.9) | |
| Rainy | 3 | 6(2.9) | |
| Light | Unknown | 0 | 6(2.9) |
| Sunlight | 1 | 174(82.9) | |
| Street light | 2 | 30(14.2) | |
| AV brand | Alphabet | 1 | 31(31.96) |
| Tesla | 2 | 24 (24.74) | |
| GM | 3 | 22(22.68) | |
| Others | 0 | 20(20.62) | |
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