![]() The expressway system that travels through Chicago is maintained by the State of Illinois' Department of Transportation, IDOT, and their familiar orange trucks.ĭuring a snow program Streets & Sanitation’s first priority is to clear our main routes and Lake Shore Drive. Our routes consist of city main streets, neighborhood streets and Lake Shore Drive, divided into six Snow Districts. Once on the roadways our trucks patrol, plow or salt our routes as necessary.ĭSS is responsible for maintaining winter roadway safety on a route system of more than 9,400 lane miles. And we combine all of these technologies along with the Global Positioning Systems (GPS) on all of our trucks to strategically deploy our snow personnel to up to over 280 snow routes. We track incoming weather systems via Doppler radar and through constant communication with our meteorological consultants and the National Weather Service. This high tech command center allows us to access and view a network of cameras and pavement sensors to get a quick and accurate assessment of our pavement conditions citywide. Department of Streets & Sanitation (DSS) coordinates Chicago's snow and ice control efforts from Snow Command.
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