• Can GPS replace conventional travel surveys? Some findings 

      Stopher, Peter; Prasad, Christine; Zhang, Jun
      Published 2010-12-01
      Global Positioning System (GPS) devices have been considered as a substitute for conventional travel diaries for some time. However, only in the past year has a serious effort been made to trial replacement of travel diaries ...
      Open Access
      Working Paper
    • Comparing GPS and prompted recall data records 

      Stopher, Peter; Prasad, Christine; Zhang, Jun
      Published 2010-12-01
      Global Position System (GPS) devices as a substitute for conventional travel diaries have been considered for some time but have only in the past year or so been seriously trialled as replacements. GPS devices cannot record ...
      Open Access
      Working Paper
    • Evaluating and improving software for identifying trips, occupancy, mode and purpose from GPS traces. 

      Stopher, Peter; Zhang, Jun; Prasad, Christine
      Published 2013-11-01
      Over the past several years, the Institute of Transport and Logistics Studies at the University of Sydney has been developing software to process GPS traces and impute the trip ends, modes of travel, occupancy, and trip ...
      Open Access
      Working Paper