• Advances in GPS Technology for Measuring Travel 

      Stopher, Peter; FitzGerald, Camden; Zhang, Jun
      Published 2006-07-01
      Since the late 1990s, GPS has begun to be used as a method for measuring personal travel. Early devices were for in-vehicle use only and derived their power from the accessory socket of the car. In the early 2000s, the ...
      Open Access
      Working Paper
    • 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
    • Deducing mode and purpose from GPS data 

      Stopher, Peter; Clifford, Eoin; Zhang, Jun; FitzGerald, Camden
      Published 2008-04-01
      Over the past several years, there has been increasing interest in the use of Global Position System (GPS) devices as a means to measure people’s travel. These devices have been used quite widely to check the validity of ...
      Open Access
      Working Paper
    • Determining trip information using GPS data 

      Clifford, Eoin; Zhang, Jun; Stopher, Peter
      Published 2009-01-01
      With the development of lightweight, high sensitivity Global Positioning System (GPS) devices, there has been increasing interest in their use as a means to measure people’s travel for travel surveys. Data-logging enables ...
      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
    • Results of an evaluation of TravelSmart in South Australia 

      Stopher, Peter; Zhang, Yun; Zhang, Jun; Halling, Belinda
      Published 2010-06-01
      Beginning in 2005, an evaluation was undertaken of a TravelSmart intervention in South Australia. The evaluation was undertaken using a panel of households, members of which were asked to carry GPS devices with them for a ...
      Open Access
      Working Paper