Browsing by author "Clifford, Eoin"
Stopher, Peter; Clifford, Eoin; Zhang, Jun; FitzGerald, CamdenPublished 2008-04-01Over 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 AccessWorking Paper
Clifford, Eoin; Zhang, Jun; Stopher, PeterPublished 2009-01-01With 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 AccessWorking Paper