Siemens uses new loop technology in traffic light installation

Siemens has made the first installation of its new Plus+ signal controller using a new technique to wire up the loop detectors used in its functionality.

The SmartLoop technology used at Kennet and Avon canal in Theale, Berkshire, avoids the need to wire each individual loop back to the controller. This reduces the amount of cabling and civil engineering works required, and cuts the associated disruption for road users.

Wilke Reints, Managing Director Intelligent Traffic Systems (ITS) for Siemens Mobility Limited, explained, “The Kennet and Avon bridge project is a great example of Plus+ and our exciting new SmartLoop functionality – delivering real benefits both in installation time and material savings. This all adds up to a significant cost saving and a step change in the way traffic signals are installed.”

The Theale installation also integrates MOVA (microprocessor optimised vehicle actuation) technology to optimise traffic flow and control the bridge’s traffic signals based on the number of approaching vehicles detected by the SmartLoops.

Siemens says that with the SmartLoop modules being fully integrated with the Plus+ network, only two smaller Plus+ cables are needed to run under the canal, compared to multiple loop feeder and traffic signal cables that the previous configuration required. This reduces cabling by up to 75%, increasing intersection availability and minimising disruption to road users.

(Picture: Siemens)

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