1. Traffic Data Collection Jesse Birchman Univ. Of Idaho

2. Traffic Data Collection Collection for: Travel time estimates for arterial links (Me) Free-flow speed estimates Delay Estimates TRANSIMS model calibration/validation (Garth) Control delay of actuated signals Investigate potential of operational modeling using TRANSIMS

3. Traffic Data Collection Collection for (cont.): Data is expected to be detailed and extensive for a wide range of future uses. More research.

4. Traffic Data Collection

8. Traffic Tracker Tracking…………………Vehicles Chittemma Potlapati University of Idaho University of Idaho; Nov 19, 2004 8

9. History and Purpose : Developed by National Institute for Advanced Transportation Technology (NIATT) Traffic Tracker is a Windows 98/95/NT program that allows you to collect time data using a data collection environment that you design. University of Idaho; Nov 19, 2004 9

10. Use of Traffic Tracker Collecting data. Analyzing time-based traffic flow data The program allows you to design a data collection screen that is a graphical representation of the location where you are collecting data University of Idaho; Nov 19, 2004 10

11. Components of Traffic Tracker Environment Editor Data Collector Analysis Package University of Idaho; Nov 19, 2004 11

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14. Steps involved in the data collection Select the 'Collect Data' option from the main menu Select a data collection environment to use. Designate a file name and directory for the data file Enter the correct start time Press the Start/Pause button Collect data by pressing the trigger keys of your data collectors Exit the Data Collector when finished by pressing the Exit button. University of Idaho; Nov 19, 2004 14

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16. Analysis of Data Data will be stored in the file that you select prior to opening the Data Collector. Your data are stored in a comma-delimited text file (*.csv) that can be opened easily in any spreadsheet. Traffic Tracker files include information about the data collection environment that was used, the date, and the time that the data was collected University of Idaho; Nov 19, 2004 16

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18. Conclusions Traffic Tracker is a good tool to collect time based traffic flow data. University of Idaho; Nov 19, 2004 18