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The city of Indianapolis, Indiana, upgraded more than 220 of its intersections with advanced signal controller systems and connected them to a central computer system for $5.1 million.
Made Public Date
09/30/2003
Identifier
2003-SC00008
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Summary Information

The city of Indianapolis, Indiana, upgraded more than 220 of its intersections with advanced signal controller systems and connected them to a central computer system for $5.1 million. The new system, covering a 6.5 square-mile area of the downtown and surrounding intersections, allows traffic signal timing at the cities busiest intersections to be adjusted and synchronized from a remote central control facility. The system allows traffic engineers to quickly modify a.m. and p.m. peak period signal timing strategies, or check operations at a single traffic signal. The computer interface allows engineers to view overall traffic signal operations on an interactive map that superimposed traffic signal activity on an aerial view of downtown Indianapolis.

System Cost

Cost: $5.1 million.