Abstract：Individual car-following behavior during earthquakes is affected by the altruistic scenarios. Driving simulator tests were used to observe car-following behavior for various individuals for the same test conditions for altruistic and neutral driving scenarios. The Gipps model was used to model the car-following behavior with a genetic algorithm used to calibrate the parameters in the Gipps car following model for the various individuals. The tests were then used to compare the model parameters from the two driving task groups, which showed a significant difference between the altruistic and neutral groups. The altruistic group had higher maximum deceleration rates, higher estimates of the maximum deceleration rate of the car in front of them, shorter safety distances and higher maximum acceleration rates than the neutral group. The results show that the altruistic individuals tend to follow closer to the car in front of them with more expectations for driving safety. This study shows that during emergency traffic evacuations, altruistic drivers will exhibit improved driving performance and safety.
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2018, Vol. 58 
