This trap was completely and obviously built by the city. There is a nice little paved ramp right after an overpass, and the speed limit is an exceedingly low 60km/h on a 400 series highway (100km/h standard speed limit) two full exits before entering the Toronto airport highway section. The police aim their radar directly at you as you hit the "60km begins" zone, most certainly going at least 80km/h (as the speed is reduced from 100km/h to 80km/h just before).