After a monthslong shutdown following an embankment collapse, the CTA Yellow Line will reopen Friday and provide free rides from its Dempster-Skokie and Oakton stations, the CTA announced.

In this edition of Ask Geoffrey, our local history expert Geoffrey Baer revisits a Streeterville puppet show, examines underground architecture on the Blue Line and digs deep into the history of Montrose Beach.

Mayor Rahm Emanuel announced on Tuesday a plan to improve the service of two of the city's busiest bus routes. The three-part plan calls for improved speed and overall performance of Chicago Transit Authority buses along Western Avenue (No. 49) and Ashland Avenue (No. 9). Get details of the plan and read the mayor's announcement.

We share what you had to say about our conversation with Chicago Teacher's Union President Karen Lewis, the CTA's proposed Belmont flyover project, and the most recent progress of the Chicago Riverwalk project.

In a time of tight budgets, why is the CTA pushing a $570 million 'flyover' project? Paris Schutz reports. 

The Chicago region's transportation network and infrastructure need substantial upgrades and funding. We take a look at a new website that details the condition of roads and bridges, and what public transportation agencies need to do to meet the area's growing needs.

We take a look back at the CTA's 2014 and what's around the corner for customers in 2015.

July 1 was V-Day in Chicago. Ventra is the only pre-paid fare system for all CTA buses and trains. We'll tell you what riders think of Ventra more than six months after its botched rollout.

A new report from Gov. Pat Quinn's transit task force is recommending a shake-up to the structure of the RTA, Metra, CTA and Pace systems to streamline operations and budget woes. The blue-ribbon transit study commission is also recommending ethics reforms. Carol Marin gets the details of the report from the co-chairs of the Northeastern Illinois Public Transit Task Force, George Ranney Jr.  and Ann Schneider, and the Task Force’s Ethics chairman, Patrick Fitzgerald. Read the full report, and view a graphic of the current structure of the RTA, Metra, CTA and Pace.

Transit riders beware: the head of the CTA’s rail union says dozing off while driving a train is not all that uncommon. Read an article and watch a web extra video.

A blue line train derailed early this morning at O'Hare Airport, sending 32 people to the hospital. Paris Schutz has the details. Did you witness the derailment? Take any photos? E-mail us here if you'd like to share your photos and story with Chicago Tonight.

Today's record cold caused delays on the Metra and CTA. We tell you how the city is coping. Send us your severe weather photos here and we'll use them in our online slideshow.

We share what you had to say about the CTA ending its ex-offenders program in tonight's Viewer Feedback.

Sixty-five ex-offenders who work for the CTA will soon find themselves out of a job, thanks to a dustup between the rail union and CTA management. Can it be saved? Paris Schutz has the story. Read an article.

On a special edition of Chicago Tonight with a live studio audience, we take a close look at the CTA’s problem-plagued rollout of its new Ventra payment system.

Chicago Transit Authority and Ventra officials promise a quick fix to the new Ventra system. How? Paris Schutz has the details.