Computing of Adjacent Sites Punctuality Rate Based on AVL Data

Abstract:

The paper described a new methodology for performing bus punctuality studies using global positioning system and AVL（automatic vehicle location） data. It raised a bus stop-time computation model by analyzing the bus real-time position and speed. On that basis, the clear definition of Adjacent Sites Punctuality Rate was given and the more accurate computation model with extreme value theory was provided. The model was used to evaluate the bus operation between adjacent sites and key stations. Then using the AVL data of Shanghai’s No.49 bus the model’s practicality was tested. Through the logistic analysis, the results show that station spacing, cross-section of urban road, intersections, bus lane and saturation have different contribution on the value of Adjacent Sites Punctuality Rate, and the bus lane plays the largest role.