Civic · 6 pages · 12 min

Why the pedestrian interval exists

A pedestrian interval reserves time so people can start or finish crossing while cars are held.

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From the opening

A pedestrian interval is the portion of a signal cycle reserved for people crossing on foot, including the walk indication and the clearance time that follows it. It exists because a person in the crosswalk needs a start, and enough remaining time to reach the far curb, that a stream of turning or through cars will not be given at the same moment. The opening covers walk means a person may start, clearance finishes a crossing begun, and a leading interval holds the cars.

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Inside

  • Walk means a person may start
  • Clearance finishes a crossing begun
  • A leading interval holds the cars
  • An exclusive phase stops all vehicles
  • Where the idea stops applying
  • A distinction worth keeping

Sources

  • Pedestrian signal timing
  • Leading pedestrian interval