CBS 2 Chicago wbbm7801059 670 The Score
New!  CBS Chicago Weather iPhone App: Daily Forecasts, Weather Alerts & Radar Maps!  Free Download »

Deep Tunnel

A large crater was created by a "hydraulic explosion" in part of the Deep Tunnel system in Calumet City, after valve designed to relieve pressure from stormwater buildup that did not vent properly. (Credit: CBS)

Heavy Rain Leads To Storm Tunnel Explosion In Calumet City

The heavy rain from Sunday’s storms overwhelmed a stormwater system in south suburban Calumet City, causing an explosion in a sewer that’s part of the Deep Tunnel system, and leaving a massive crater.

05/12/2014

Crews prepare to blast a hole in the Thornton Quarry, the final such explosion needed to turn the quarry into an 8 billion-gallon flood-relief reservoir by 2015. (Credit: Bernie Tafoya)

Big Blast At Thornton Quarry To Help Relieve Flooding Problems

The “last blast” on Monday at the Thornton Quarry, along I-80, was the first step toward using the big hole to help relieve flooding on the South Side and in the south suburbs.

WBBM Newsradio–09/23/2013

A hydrant spews water in Forest Park on Thursday. (Credit: Scott Davidson)

Massive Rain Fills Deep Tunnel Flood Control System

The huge amount of rain over the past 24 hours has filled the large underground flood control system known as Deep Tunnel.

04/18/2013