Traffic Sensors is an Android app which allows to acquire multi-modal traffic data including traffic lights states, automatically synchronized through the UTC clock of the smartphone. Furthermore, the buttons of the app are programmed for vibrating once they are touched, avoiding the loss of visual contact between the user and the scenario. In general, the app was developed for simplifying the data acquisition. Finally, the data obtained with Traffic Sensors can be recovered in a plain text file for an easy analysis and processing.
The Traffic Sensors app can be downloaded here.