HEADWAY

Headway

Headway is a measurement of the distance or time between vehicles in a transit system. The precise definition varies depending on the application, but it is most commonly measured as the distance from the tip of one vehicle to the tip of the next one behind it, expressed as the time it will take for the trailing vehicle to cover that distance. A "shorter" headway signifies a more frequent service. 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 vehicles on a freeway can have as little as 2 seconds headway between them.

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headway

Noun

  1. Movement ahead or forward.
  2. Forward motion, or its rate.
  3. The interval of time or distance between the fronts of two vehicles (e.g. buses) moving in succession in the same direction, especially along the same pre-determined route.
  4. Progress toward a goal.
  5. The clearance beneath an object, such as an arch, ceiling or bridge; headroom.
  6. A cross-heading.


The above text is a snippet from Wiktionary: headway
and as such is available under the Creative Commons Attribution/Share-Alike License.

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