JCT TrafficTools is a free Android phone/tablet app for traffic signal engineers that can be used to assist in on-site traffic data collection.
It currently supports the following features
- Measurement of Saturation Flows.
- Measurement of Degree of Saturation.
- Measurement of Underutilised Green Time.
- Capture of site photographs.
- Emailing of all data in both a plain XML format and MS Office XML format (Excel compatible).