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This research analyzed the feasibility of using cell phone locations data for collecting traffic data on inter-city trips. Cell phone positioning technologies and their penetration rates, as well as the limitations of their applications, were discussed. Algorithms for collecting traffic data between cities are proposed on the basis of the network-based cell phone location data. A cell phone location database including cities located along the Kansas Metro Corridor was used to estimate daily traffic, derive the origin-destination (O-D) traffic by time-of-day and commuting traffic along the corridor based on a five week observation period. The results found that the available cell phone network data detected about 15 percent of the daily traffic data compared to the Average Annual Daily Traffic (AADT) data along the Kansas Metro Corridor. It was also found that using the cell phone network can not only estimate a portion of ground traffic volumes, but also can reflect the variety of traffic flow due to special events. The results found that the use of cell phone network data in estimating the dynamic O-D traffic flow can reflect similar trends in actual commuting traffic on inter-city trips. Nevertheless, including more network data from other carriers and applying the appropriate data verification are needed for further study.
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