Happy Pi Day. Yes, it's March 14th. If you write that date like an American, it looks like this: 3/14, and that looks like 3.14. It's not the best representation of pi, but it will do. As is my ...

The next time a subway car or commuter train rolls into the station, try to sneak a quick peek at its large metal wheels. You’ll notice that instead of being perfect cylinders, they’re actually angled ...

LEXINGTON, N.C. — Correction: An earlier version of this story said the train had derailed. Norfolk Southern confirmed that two front wheels of the train car came off the track, but the train car ...

OAKLAND (BCN) — Newly designed BART train wheels, which will be installed on both new and existing trains, are expected to cut the noise heard by riders by as much as 50 percent, BART officials said ...

BART officials announced Wednesday that a new train wheel design they hope will cut noise by half has passed a battery of performance tests at its Hayward test track and will be introduced into ...

EAST PALESTINE — Newly released security footage showed one of the train cars sparking in the wheel, bearing, and axil area about 20 miles before the Norfolk Southern train derailed in northeast Ohio.

The science behind a bullet train's incredible speed has advanced to the point that they no longer need wheels to stay on the tracks. There are some magnetic trains that do use rubber wheels until ...

Metro gave reporters a demonstration of how it inspects the wheels on its trains. The event Tuesday at Metro's Greenbelt Yard showed the tools and processes technicians go through to make sure the ...