Describe the different traffic count programs carried out in your state. What data are collected in each program?
What will be an ideal response?
The Traffic Engineering Division of the Virginia Department of Transportation conducts an "Interstate, Arterial and Primary Traffic Count Program." Vehicle classifications consist of passenger cars, 2-axle 4-tire trucks, 2- axle 6-tire trucks, 3-axle 6-10 tire trucks, tractor-trailers, twin trailers, and buses.
There are a total of 1,345 counting stations for this program. Counts are taken either 2, 4, or 9 times per year at each location. The data collected is then published in a manual entitled “Average Daily Traffic Volumes on Interstate, Arterial and Primary Routes” which includes 24-hour average daily traffic (ADT) by section of roadway, 24-hour vehicle miles traveled (VMT) by route and county, and 24-hour VMT statewide. In addition, counts are taken on secondary, and unpaved roads on a less frequent basis. Intersection turning movement counts are taken at specific locations when needed for detailed traffic operational studies.
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What will be an ideal response?