Advanced Camera Lowering Device for ITS Maintenance
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Advanced Camera Lowering Device for ITS Maintenance

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  • English

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    • Publication/ Report Number:
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    • Edition:
      Final Report May 2017 – August 2018
    • Abstract:
      The California Department of Transportation (Caltrans), in an effort to satisfy mandated Intelligent Transportation System (ITS) performance goals and consistency with MAP-21 performance management targets, is deploying an increasing number of Closed-Circuit TV (CCTV) cameras to monitor traffic and conditions on California’s roadways. These CCTV cameras are typically mounted along the highway on top of high poles and need to be accessed periodically for service and repair to keep these sophisticated systems functional. Many of these Caltrans camera system sites are difficult to access due to traffic hazards, roadside obstacles, and greater pole heights. Challenging access sites like these require additional time, cost, and exposure to unsafe conditions, which can contribute to delayed or deferred camera maintenance and repairs. Caltrans is expanding their application of pole-mounted Camera Lowering Devices (CLDs) systems in an effort to facilitate access to these problematic camera sites. Caltrans commonly deploys Halo-style CLD products. This research introduces Caltrans to the use of a detachable type of CLD product that offers additional benefits, such as eliminating the potential of binding, reducing communication cabling requirements, allowing the mounting of ancillary items such as antennas and microwave vehicle detection systems (MVDS), and supporting the retrofitting of existing camera poles. This research project supports the deployment and evaluation of both an internal and external MG2 CLD systems on Caltrans highways. This report documents the installation, training, and performance of these research MG2 systems in association with Caltrans District 3 Maintenance and Transportation Management Center (TMC) personnel. These MG2 CLD systems have proven to be easy to use, performed effectively, and provide significant cost and safety benefits to Caltrans maintenance when accessing ITS camera systems on the highway. Based on the successful deployment of these MG2 CLD systems, it is the recommendation of this report that Caltrans consider the qualification and expanded use of the MG2 CLD systems in the future.
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