A congested schedule-based dynamic transit passenger flow estimator using stop count data

Joseph Chow, institute associate professor and deputy director of the C2SMART Tier 1 University Transportation Center and C2SMART doctoral researcher Qi Liu, developed an algorithm to estimate transit passenger flows at a network level (the first of its kind) using stop count data (e.g. Transit Wireless, smartcard data, etc.). Testing on Shanghai bus data in the Qingpu District with 4 bus lines and 120 segments, they show the algorithm leads to average of the segment flows that are only 2.6% off from the average of the observed flows.