Traffic Data Collection

Jesse BirchmanUniv. Of

Idaho

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

Traffic Data Collection

Collection for (cont.): Data is expected to be detailed

and extensive for a wide range of future uses. More research.

Traffic Data Collection

Traffic Data Collection

Traffic Data Collection

Traffic Data Collection

Traffic Tracker Tracking…………………Vehicles

Chittemma Potlapati

University of Idaho

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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.

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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

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Components of Traffic Tracker Environment

Editor Data Collector Analysis Package

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University of Idaho; Nov 19, 2004 12

University of Idaho; Nov 19, 2004 13

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 buttonCollect data by pressing the trigger keys of your data collectorsExit the Data Collector when finished by pressing the Exit button.

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University of Idaho; Nov 19, 2004 15

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

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University of Idaho; Nov 19, 2004

Conclusions

Traffic Tracker is a good tool to collect time based traffic flow data.

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