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Mobility Monitoring – Roadways – Traffic Volumes
OVERVIEW • REGIONAL TRENDS • ROADWAYS • INTERSECTIONS • TRANSIT
BICYCLE/PEDESTRIAN • HOV LANES • TRANSPORTATION DEMAND MANAGEMENT • PARK-AND-RIDE
Overview • Arterial Roadways • Crashes • Freeways • Performance Measures • Traffic Volumes
Traffic volumes, the measure of how many vehicles use a particular roadway, are usually in the form of either average daily traffic (ADT) or average weekday traffic (AWDT). One use of this measure is as a complement to the roadway performance measures discussed on an accompanying page: traffic volumes indicate of how many users of the roadway system are affected by poor performance and how many users would benefit from an improvement.

Traffic counts are collected regularly in our region. The Massachusetts Department of Transportation (MassDOT) does the bulk of this data collection, through three methods and programs: permanent, continuous-counting stations; a three-year coverage and classification count program; and special counts for specific studies or needs.
Maps
Selected ADT (1996-2001) in the Middle Inner Core Subregion (Boston and inner suburbs)
Selected ADT (1996-2001) in the Upper Inner Core Subregion (upper inner suburbs)
Selected ADT (1996-2001) in the Lower Inner Core Subregion (lower inner suburbs)
Selected ADT (1996-2001) in the MAGIC Subregion (Northwest suburbs)
Selected ADT (1996-2001) in the MetroWest Subregion (West suburbs)
Selected ADT (1996-2001) in the NSTF Subregion (North Shore suburbs)
Selected ADT (1996-2001) in the NSPC Subregion (North suburbs)
Selected ADT (1996-2001) in the SSC Subregion (South Shore suburbs)
Selected ADT (1996-2001) in the SWAP Subregion (Southwest suburbs)
Selected ADT (1996-2001) in the TRIC Subregion (South suburbs)

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