Chicago's winter overnight parking ban begins this Sunday, and is in effect through April 1. The parking ban is enforced regardless of snow on 107 miles of main streets through the city from 3 to 7 a.
The city bans parking on 107 miles of main streets between 3 a.m. and 7 a.m. from Dec. 1 through April 1. It happens every year, and every year drivers are caught off guard.