National Geographic: When a freight train rolls through Barrington, Illinois, gates with flashing lights lower to block all four of the village's cross-town thoroughfares-often at the same time. It happens 20 times a day.
And as more and more of those trains have become "unit trains-carrying only one type of freight, crude oil-residents have been voicing concerns about matters far more urgent than the time they lose idling at grade crossings. "People are seeing those black cars and they know there's something different...