Gia Biagi, the state's new acting transportation secretary, quit as commissioner of Chicago's Transportation Department shortly after Mayor Brandon Johnson took office.

Gia Biagi, Illinois' acting transportation secretary, focuses on accelerating the Kennedy Expressway project and related IDOT construction efforts.

Ald. Daniel La Spata (1st) estimated the lower speed limit could save the lives of more than 300 Chicagoans over the next decade, and “I can’t put a price on that.”

Daniel La Spata wants a vote on his proposal to reduce the citywide speed limit to 25 mph at Wednesday's City Council meeting. A study by the city's Department of Transportation found that reducing speed limits leads to a reduction in deadly traffic crashes.

The program allows the city to use cameras to mail tickets to registered vehicle owners for violations in an area that covers much of downtown.

Fearing it would be rejected, the ordinance's chief sponsor delayed a vote on lowering Chicago's default speed limit from 30 mph to 25 mph.

The Department of Transportation on Wednesday sued Southwest ... The DOT said that Southwest's flights from Chicago Midway International Airport to Oakland, Calif. and from Baltimore to Cleveland ...

Here’s a look back at what happened in the Chicago area on Jan. 23, according to the Tribune’s archives. Is an important event missing from this date? Email us. Weather records (from the National Weather Servic) High temperature: 65 degrees (1909) Low temperature: Minus 18 degrees (1963) Precipitation: 0.

Alders approved more than $35 million in settlements, blocked a vote to amend the city’s Welcoming City ordinance and delayed a vote on a measure to reduce the city’s speed limit.

The U.S. Department of Transportation is boosting funding for Amtrak’s popular new Borealis route between St. Paul and Chicago. $38 million is being allocated to ensure the route is funded for the next six years.

The reports detail plans on how best to preserve the Point's limestone block, stepped stone, revetment and promenade.

The full funding grant agreement with CTA will invest $1.97 billion to help extend the Red Line 5.5 miles to connect the city’s far south side to the L System for the first time. The extension project has been in the works for years, officials said, and the funding agreement will provide the necessary money to help bring the project to fruition.