Authorities are investigating what caused a freight train hauling crude oil to derail and explode into flames. The rail cars that ruptured were newer tankers designed to be more puncture resistant.

After Malaysia Airlines flight 370 vanished over the Indian Ocean, air safety authorities have argued for more frequent contact in order to better locate aircraft in the event of tragedy.

Thousands of flights have been cancelled as a result of Monday's blizzard in the Northeast. By Tuesday morning, as many as 15,000 flights had been delayed and airport officials say travelers won't start see schedules normalizing before Wednesday. Some travelers determined to get to their destination opted for the railways and roads instead.

The agency wants every-minute updates on the locations of planes that fly over water, as well as longer-lasting batteries for black-box beacons, following the disappearance of a Malaysian jet.

A study suggests Illinois' gigantic budget hole may be much deeper than previously thought. And that leaves that state's new Republican governor with the difficult task of having to fix it fast.

The White House is looking to the private sector to help finance costly improvements to aging infrastructure. The plan avoids increasing taxes, but eventually, the public will have to pay.

The National Transportation Safety Board is investigating a subway train incident in Washington, D.C., on Monday afternoon that left one person dead and sent dozens of passengers to local hospitals. On Tuesday, the NTSB also announced its so-called "Most Wanted List" of safety fixes for this year.

The FAA ruled that all jet fuel tax revenue collected by states or local units of government must be spent on airports or aviation related programs, and not on roads, schools or other uses.

In Chicago, a city that relishes their ability to deal with the harsh realities of winter the cold weather forced the closing of its schools on Wednesday. While classes were cancelled in over 100 districts, buildings were open to accept students who had nowhere to go and could not stay home alone.

Ads touting the business climate in South Dakota will go up at Chicago's O'Hare airport in January. The city rejected the first round of ads, which compared Chicago's treatment of business to the TSA.

Commercial airlines earned nearly $20 billion in profits this year. They're using the cash to buy new planes, update facilities and add amenities — but not all of those new comforts will be free.

Travel to Cuba for business or education will be much easier as the U.S. eases restrictions, but until the embargo is completely lifted, going to Cuba simply for tourism still won't be allowed.

Several states, including those led by Republicans, aren't waiting for Congress to shore up the federal highway trust fund and help pay for repairing worn out infrastructure.

Get ready for bumper-to-bumper traffic, overcrowded airports, long lines and very little personal space on trains, planes and buses. This week is expected to be the busiest travel week of the year.

Her up-and-down relationship with the Daleys and their Democratic machine led her into and then out of the top office in Chicago. She was 81.

With fuel prices down, profits are up. But that doesn't mean you'll be able to find cheap airfares, especially over the holidays: The airline industry is predicting its busiest season in years.

The Archdiocese of Chicago released thousands of pages of documents detailing allegations of sexual abuse by three dozen priests. The documents had been kept secret for decades in some cases and the church says it is releasing them now in an effort to be transparent and to help bring healing to the victims of abuse. But abuse survivors say they feel betrayed, duped and deceived. They and their attorneys contend they were not allowed to help prepare the document release and therefore don't know what's still being hidden from public view.

The nation's aging pipes and water mains are springing expensive leaks, wasting more than 2 trillion gallons of drinking water nationally and 22 billion gallons in the Chicago area alone.

Congressional Republicans continue to call for a ban on travel from the West African nations caught up in the Ebola outbreak. The Obama administration, however, remains firm in opposing a travel ban.

Administrator Michael Huerta has a response to lawmakers who criticized the FAA for failing to have backup systems in place when a fire at an air traffic control center shut down Chicago's airports.