This dataset is extracted using the One-ITS service: http://one-its-webapp1.transport.utoronto.ca/
The data comes from 162 loop detectors, located on major highways of the Greater Toronto Area: Gardiner, DVP, Lake Shore, and Allen Road.
The data is collected over a period of 7 days, which each sensor outputting over 6000 events.
Each event contains information about the number of cars detected during the current interval, the average speed and the occupancy rate. Each loop detector is uniquely identified in consecutive order according to the direction of the road.