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Maryland Highway Traffic Trends is a summary of the traffic volume data collected by the Data Services Engineering Division (DSED) of the Office of Planning and Preliminary Engineering (OPPE). These are permanent, continuous counting Automatic Traffic Recording (ATR) stations throughout Maryland and seven continuously operating toll facilities. These reports contain tabulated data from these stations.
The purposes of this report are:
For Traffic Trends, the stations were grouped based on functional classification and an additional summer seasonal group to reflect recreational traffic patterns during the summer months. The categories are rural interstate, rural other (including other rural arterials, and rural collectors), urban interstate, urban others (including urban other freeways and expressways and other urban arterial systems) and summer seasonal (stations that display high traffic patterns during the summer season).
The ATR station groups are as follows:
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Baltimore, Maryland 21202-3601
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