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Pages 27-35

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From page 27...
... 27 From the survey data, five agencies were selected for follow-up interviews. These interviews were used to supplement information from the survey and gather additional insight and specific experiences.
From page 28...
... 28 Use of Weigh-in-Motion Data for Pavement, Bridge, Weight Enforcement, and Freight Logistics Applications limit and in a few places, lane closures are restricted to 5 hours. Caltrans has fine-tuned the sensor replacement process and been able to replace a bending plate sensor in as little as 45 minutes, not including the lane closing and reopening time.
From page 29...
... Case Examples 29 Caltrans currently has no VWS stations. Law enforcement and Caltrans personnel are interested in studying overweight trucks moving through the state.
From page 30...
... 30 Use of Weigh-in-Motion Data for Pavement, Bridge, Weight Enforcement, and Freight Logistics Applications calibration. Out of necessity, MnDOT is switching from a set calibration schedule to monitoring accuracy and calibrating only when needed.
From page 31...
... Case Examples 31 FDOT has been able to acquire federal highway project money for site installation projects, but money for maintenance has been a problem. FDOT has used state funds for the ongoing maintenance needs of the continuous count system.
From page 32...
... 32 Use of Weigh-in-Motion Data for Pavement, Bridge, Weight Enforcement, and Freight Logistics Applications Maryland The Maryland DOT was selected for a follow-up interview based on several of the selection criteria. Maryland is a relatively small East Coast state with a port, significant freight traffic that is highly urbanized, and a developed WIM program.
From page 33...
... Case Examples 33 span settings to see if this solves the problem; if not, then a recalibration with trucks of known weight is required. Maryland DOT on occasion will alert law enforcement to suspicious activity the DOT sees at WIM sites.
From page 34...
... 34 Use of Weigh-in-Motion Data for Pavement, Bridge, Weight Enforcement, and Freight Logistics Applications Data Usage In TDOT's study to redevelop the WIM system, TDOT spoke to possible stakeholders that might be interested in the data from the proposed WIM network. Agency departments that provided input and had an interest were Long-Range Planning, Roadway Inventory (which is responsible for the traffic data collection and will be responsible for WIM)
From page 35...
... Case Examples 35 the need to calibrate WIM stations. Others are sharing WIM and static scale data with law enforcement to check calibration, but this would likely only include trucks stopped for suspected overweight violation.

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