Kate Hinds

Regulators announced Tuesday that William Rockefeller nodded off at the controls of a Metro North train that derailed back in December, killing four people and injuring more than 70.

The NTSB will releases the likely causes behind five recent Metro-North incidents today. Also coming up today: big Citi Bike news. And: photos from the 110th anniversary of NYC's subway.

The Grand Central of downtown will open to passengers in November, providing a light-infused entrance to nine separate subway lines in Lower Manhattan.

Two years after Sandy, the MTA's sealed two subway tunnels under the East River (at least theoretically), but has lots of other work to do.

No, you won't catch Ebola on the NYC subway. A bike share unicorn has been set free in Boston. The Taxi of Tomorrow is back in court. And: Maryland has plenty of subway drivers.

San Francisco may toll pedestrians and cyclists on the Golden Gate Bridge. Ford is adding pedestrian detection technology to vehicles. And: a runaway sheep disrupted Metro-North trains.

The U.S. is now limiting entry to the U.S. for people from Ebola-affected nations and they'll soon have to self-monitor for symptoms.

If you were in New York City on September 23, chances are good you rode the subway.

NYC set a one-day, all-time subway ridership record. Texans got a glimpse of a planned Dallas-to-Houston high-speed rail route. And: flight attendants could soon be wearing technology.

The auto industry is facing a safety crisis. China wants to sell high-speed trains to California. And: how have labor unions fared since the 2005 NYC transit strike?

Chicago's yellow light intervals are under scrutiny. New Jersey's transportation commissioner wants a "revenue enhancer." And: in 1927, Brooklyn installed a giant Death-O-Meter.

Chicago wants to develop a smartphone app for transit fare payment. Golden Gate buses will be running today. An Ebola-themed travel ban wouldn't work. And: meet D.C.'s bike whisperer.

A hearing ostensibly about a change to NYC's for-hire vehicle dispatch rules was really about something else: the future of the industry.

California's high-speed rail project just won a big legal victory. The Keystone XL may be stalled, but oil is booming. And: we need to review guidelines about Ebola and airplanes.

Officials are trying to get the word out about the city's speed limit change. But they know it will take more than flyers and ads to make New Yorkers drive slower.

Newark will get its first 'happy street sign' today. Hailo is leaving North America. And: domestic oil production is booming, but regulators aren't.

Seattle now has bike share. Sri Lanka is reopening a war-torn train line. Meet the man the NY Post is calling a 'subterranean seducer.' And: should oil be less flammable?

"It's like Halloween early," said one Comic Con attendee. "Only it's like somebody's passion, and they really put time and effort into it."

A woman gave birth in a NYC taxi. Golden Gate bus drivers voted to strike. And a reminder: don't joke about having Ebola while sitting on a plane.

As freight trains move more oil, Amtrak — & trains carrying consumer goods — are delayed. L.A. is going after apps that sell parking meter time. And: a trippy video of new London trains.