City's traffic-light control center
| • | Story: Traffic timing challenge goes beyond signals |
Photos by Cory Lum
Advertiser Staff Photographer
More than 400 of the 1,000 traffic signals on O'ahu are controlled by a central computer system that is routinely tweaked to change the timing sequences at intersections to account for the time of day, heavy traffic, stalled cars, accidents or even an unusually large number of pedestrians.
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