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In 2005, about 22,000 cars moved through the interchange a day.
The project has been in the works for a while, Schmid said. It will be a standard traffic signal that will clear the ramps during the peak periods of congestion when there is back up on the ramp and on South Limestone Street.
The new signals will be linked to the city’s system to move traffic effectively between the different signals in the area, he said.
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