Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network 1 AUTOMATIC TRANSFER OF GPS TRAVEL TIME DATA TO A ROADWAY NETWORK.

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Presentation transcript:

Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network 1 AUTOMATIC TRANSFER OF GPS TRAVEL TIME DATA TO A ROADWAY NETWORK Presenter: Francisco J. Torres, P.E. North Central Texas Council of Governments

Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Basic Process Reading of Data Files Creation of Lines from GPS Points Assignment of GPS Lines to Roadways Aggregation of Point Data into Travel Time Measures

Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Reading Data Files Reading and parsing of files produced by GPS device Reading and parsing of files produced by GPS device Basic data: latitude, longitude, timestamp and speed Basic data: latitude, longitude, timestamp and speed Implementation of data cleanup routines Implementation of data cleanup routines

Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Creating Lines fromPoints

Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Assignment to Roadways

Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Aggregation of Measures

Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Conclusions The application was developed in a GIS (TransCAD/Maptitude) The application was developed in a GIS (TransCAD/Maptitude) Automatic transfer of travel time/speed data to a roadway network Automatic transfer of travel time/speed data to a roadway network Need to process large amounts of GPS data in a fast, efficient and reliable way Need to process large amounts of GPS data in a fast, efficient and reliable way

Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Questions? Thank You!