Research Article
A Rural Road Accident Probability Model Based on Single-Vehicle Hazard Properties including Hazard Color and Mobility: A Driving Simulator Study
Table 2
Variable used in the modelling.
| | Variable name | Unit | Average | Std. dev. | Description |
| | Accident | Binary | 0.1656 | 0.3719 | Accident/no accident observation | | Speed | km/h | 91.10 | 17.77 | The speed in the moment before the reaction is begun | | PEN | — | — | — | The number of events that the test taker has encountered before the intended event | | Size | m2 | 2.23 | 2.58 | The observed hazard size; the nominal area of hazard as its nominal product of height to width displayed on the screen | | Day | Binary | 0.5695 | 0.4954 | Whether the simulated time is in day or night (ambient illumination) | | Mobile | Binary | 0.6991 | 0.4588 | The state of the hazard being fixed or mobile passing across the road | | Green | Binary | — | — | Hazard color (is the hazard green or not) | | Yellow | Binary | — | — | Hazard color (is the hazard yellow or not) |
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