JCT TrafficTools is a free Android phone/tablet app that can be used to assist in on-site data collection.
It currently supports the following features
Contents
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Collecting Saturation Flow data
This process should be repeated to obtain as many counts as required. The average Saturation Flow over all the measured green periods is displayed at the bottom of the screen. Tips
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Collecting data for Degree of Saturation (DoS) and Under-utilised Green Time (UGT) measurementWhen the stop line saturation flow is known, the collection of vehicle times across the stop line allows for the calculation of Degree of Saturation and Under-utilised Green Time. Definitions and Formulae for these calculations can be found in the Appendix 1 of the Transport For London Traffic Modelling Guidelines
This process should be repeated to obtain as many counts as required. The average Saturation Flow over all the measured green periods is displayed at the bottom of the screen. Tips
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Recording data separately for multiple arms and lanesIf you need to record data for more than one arm or lane, you can do so by specifying the relevant arms and lanes. Any Saturation Flow or UGT measurements taken are recorded against the currently selected lane.
Tips
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Editing project settingsThe JCT Traffic Tools app contains four separate pages that can be switched between by swiping the screen left or right, or using the navigation buttons at the bottom of the screen: The Project Settings is the leftmost page. Here you can set the following:
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View a summary of all lanes and send all data by emailThe Lane Data summary page lists all lanes along with the number of cycles that have been counted on each lane. Tap the "Save and Send data by Email" button to send all project data via email. |
Record site photographs with the projectThe Site Photo Gallery page is the rightmost page and allows you to collect images of the site for future reference.
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Save and load project dataSaving and loading the project is found under the overflow menu in the top-right corner of the screen.
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Email your project dataTap the Save and Email button under the overflow menu in the top-right corner to email your project data. You can also email your project data from the Lane Data Summary page
The email will be sent with several attachments as follows:
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Edit application preferencesTap the Options setting in the overflow menu in the top-right corner to access the application preferences.
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