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NJDOT activates overheight vehicle detection systems

The New Jersey Department of Transportation (NJDOT) has begun operating three overheight vehicle detection systems (OVDS), which detect the approach of trucks that are too tall to fit underneath a bridge and then warn drivers to avoid the structure. The systems are located on Amtrak-owned bridges that carry NJ Transit trains on the Northeast Corridor and North Jersey Coast Line.

“The installation of OVDS in Edison, Elizabeth, Linden and Red Bank will protect the state’s transportation infrastructure and improve the safety of motorists and rail passengers,” says NJDOT commissioner Kris Kolluri.

Each of these bridges is too low to accommodate truck traffic. Drivers of overheight vehicles sometimes fail to heed static warning signs and hit bridge structures, which leads to dangerous conditions for road traffic, and train delays due to speed restrictions. More than 60,000 NJ Transit customers travel over these bridges each weekday.

Left: NJ Transit is using an overheight detection system for train overpasses

The electronic OVDS system  from ASTI Safety Pass, uses an infrared device to detect the height of oncoming vehicles. When a truck is too tall to fit beneath a bridge, it alerts the driver by activating an audible alarm as well as warning lights on an electronic display board.

The alert is provided in advance so that drivers can choose an alternate route without reversing their truck and disrupting traffic as a consequence.

November 27, 2007

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