Road Crossing Construction Precedes Greenwich’s Street Light Adaptation

“The crossings were excavated and all concrete foundations that hold up the steel poles for traffic lights were put in place,” said Ross Rizzo, vice president of The NY-Conn Corporation of Danbury, Conn., the contractor on the job. “We dug the foundations 12 to 13 feet deep and poured the concrete and installed a rebar cage with eight anchor bolts. Then, we installed steel mast arms that were designed for each intersection.” Gabriella Circosta-Cohee, Greenwich senior engineer, said the old mast arms and controller boxes will be taken down after the new LED signal heads are installed and ASCT are operational. Greenwich is using McCain ASCT adaptive software on the job, which the company said “generates optimal signal timing parameters across an arterial network by adjusting cycle lengths, phase splits, and offsets based on prevailing traffic. It provides a suite of synchronization strategies to improve operations and mobility.” Construction began on the Arch Street job in August 2020 and street light street installation will be completed in February 2022. The budget for the job is $2,197,393 with most paid by a federal Congestion Mitigation and Air Quality grant.

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