British Columbia Golden Mainline Weigh Station Project Description: IRD has designed, manufactured, and installed a double-sided Mainline WIM System with mainline tracking sensors near Golden,British Columbia. The WIM system collects axle weight and spacing, vehicle speed, classication and other relevant data. Simultaneously, the Automatic Vehicle Identication system reads the vehicle’s unique ID and an image of the vehicle is captured by the WIM camera. All this information is sent over ber optic cable back to the weigh station building. If the truck is in compliance, the Changeable Message Sign (CMS) directs it to bypass and its AVI transponder (if it has one) displays a green light. Alternatively, the CMS tells the driver to report and the transponder displays a red light. The s

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