Abstract
Route bus operation is affected by traffic jam, it's difficult to operate buses on time. Recent researches are subject to travel time reliability of road users. But there're few researches for travel time reliability in public transportation that has a diagram. Many researches on travel time reliability use Mean-Variance approach that uses mean travel time and travel time variables. This approach can't be used for public transportation directly. There're various travel time distribution when its mean travel time and travel time variance is the same.
So we try to evaluate travel time reliability on bus transit focus on delay time from diagram and its distribution. We got the bus operation data and show the variety of delay time distribution “form”. Next we made a survey to commuters who living along the bus route. This survey asks their behavior at com-muting and think about bus delay distribution. We made a Stated Preference Model for delay time distri-bution form and Revealed Preference model for mode choice of commuters. According to those result we show the effect of bus travel time reliability with delay time distribution form.
