Geoffrey Baer tracks down answers for three questions about Chicago's bygone streetcar heyday in this encore edition of Ask Geoffrey.

The Delta computer outage that resulted in thousands of cancelled flights raises questions about the systems used by the airline. Just how vulnerable to the same problem are all the airlines?

A proposed ordinance would require 5 percent of a rideshare company's fleet to be wheelchair accessible, but Uber has its own plans to address accessibility.

Would you pay a toll to zoom past traffic in an express lane on the Stevenson? That's one of the big ideas the Chicago Metropolitan Agency for Planning has for the Chicago region. Geoffrey Baer has an exclusive look at their newest plan.

The Eisenhower Expressway runs underneath the Old Main Post Office, causing one viewer to wonder which came first. Geoffrey Baer delves into the history of these interlinked landmarks and answers other viewer questions in this week’s edition of Ask Geoffrey.

City and suburban residents have demanded that the Chicago Department of Aviation take steps to address the problem of O'Hare noise and today Mayor Rahm Emanuel met with members of one community group. Eddie Arruza has more on that meeting.

New rules that will allow rideshare services such as Uber and Lyft to start making pickups from O'Hare and Midway airports could be in place as early as Nov. 18. How will these changes impact taxi drivers and others who drive for a living? We speak with Peter Ali Enger of the United Taxi Drivers’ Community Council.

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.

The family of Illinois motorist Sandra Bland files a lawsuit against law enforcement officials in Texas. On Chicago Tonight, we'll take a closer look at motorists' rights, as well as the right way to act when getting stopped by police.

Complaints about jet noise at O’Hare International Airport topped more than 400,000 in May. On Thursday, Gov. Bruce Rauner signed legislation that will increase the number of runways allowed at O’Hare in an effort to mitigate jet noise affecting some Chicago neighborhoods and suburbs.

Construction gets underway this week on the Argyle Streetscape project in Uptown, which will create a first-of-its-kind Chicago street that's shared among bikes, cars, and pedestrians.

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.

Residents in Chicago and the suburbs complain that changes to takeoff and landing patterns at Chicago O'Hare International Airport are making previously quiet neighborhoods excessively noisy.

With thunderstorms forecasted in Chicago, airlines cancelled more than 700 flights at Chicago’s airports. The latest cancellations come less than a week after a fire at an Aurora radar facility resulted in thousands of cancelled flights. 

Student debt threatens to cripple a generation from making it in America. We talk with Sen. Dick Durbin about this issue, and other examples of gridlock in Washington.