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Lake County DOT details PASSAGE traffic signal network, fiber and camera system
Summary
Lake County DOT staff presented an overview of the county’s PASSAGE traffic management network: 314 miles of fiber, hundreds of cameras and controllers, integration with IDOT and municipalities, snapshot video retention policy, and plans for adaptive signal pilots and a connected vehicle demonstration using federal funds.
Lake County Department of Transportation staff on Aug. 29 gave the Technology Committee a detailed briefing on the county’s PASSAGE arterial signal synchronization and travel‑guidance system, describing infrastructure, operations, security and future projects including adaptive signal control pilots and a federally funded connected‑vehicle demonstration.
John Nelson, assistant county engineer, and Ryan Legree, Traffic Management Center (TMC) manager, said the county’s network includes fiber connecting signal cabinets and cameras across multiple jurisdictions and is integrated with several outside agencies. "So today, we have about 314 miles of fiber that we use," Nelson said. He said the network links more than 677 traffic signals and approximately 467 pan‑tilt‑zoom ("pencil zoom") cameras; Legree later said the county views more than 480 cameras and more than 1,000 total camera/detection data…
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