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Various types of traffic counts are carried out, depending on the anticipated
use of the data to be collected.
They include:
These are made at the perimeter of an enclosed area (CBD, shopping center
etc.).
Vehicles or persons entering and leaving the area during a specified time
period are counted.
These are classified counts taken at all streets intersecting an imaginary line
(screen line) bisecting the area.
These counts are used to determine trends, expand urban travel data, traffic
assignment etc.
These are used in evaluating sidewalk and crosswalk needs, justifying
pedestrian signals, traffic signal timings etc.
These are measured at the intersections and are used in planning turn
prohibitions, designing channelization, computing capacity, analyzing high
accident intersections etc.
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