What is a black box, what can it tell us, and have the data recorders been found from Flight 5342 and the Army's Blackhawk?

What is a black box, what can it tell us, and have the data recorders been found from Flight 5342 and the Army's Blackhawk?

Buses traveling through the experimental intersections along the Allston corridor spent, on average, 21 percent less time waiting at red lights, according to the T.

Drivers can be fined £100 for creeping into or stopping in a cycle box at a red light, and the rule applies to motorbikes and scooters too ...