No parking is allowed on many major city streets from 3 a.m. to 7 a.m. between December 1st and April 1st. To view or use this KML file, special GIS software such Google Earth is required. To download this file, right-click the "Download" link above and choose "Save link as."
data.cityofchicago.org (2011). Winter Overnight Parking Restrictions - KML [Illinois--Chicago]. City of Chicago Data Portal. https://data.cityofchicago.org/d/fr3e-nxk2 (web service)