02:3102:31, 3 May 2011diffhist+15
Headway
Cleaned up:Freight trains might have headways measured in parts of an hour, metro systems operate with headways on the order of 1 to 5 minutes, and cars on a freeway have as little as 2 seconds headway between them.
02:3102:31, 3 May 2011diffhist+15
Headway
Cleaned up:Freight trains might have headways measured in parts of an hour, metro systems operate with headways on the order of 1 to 5 minutes, and cars on a freeway have as little as 2 seconds headway between them.