Boston MPO Home Page Boston MPO Data Page

Traffic Volume Counts

The following resources may be of help to those looking for additional information on the MPO traffic counts or for other traffic count sources.
Metropolitan Planning Organization
Questions about this Web site and about traffic counts warehoused by the MPO but not available here should be directed to Marc Desmarais (617-973-7077).  See also the full list of data available from the MPO and the associated contact information here.
Massachusetts Highway Department
The Massachusetts Highway Department is the source of most of the traffic counts that the MPO warehouses. Their Web page describes their collection program in detail and offers additional data such as seasonal adjustment factors.
Massachusetts Environmental Policy Act Office
The Massachusetts Environmental Policy Act Office maintains a library of environmental impact reports (EIRs) filed for significant construction projects per the requirements of the Act.  These reports may contain traffic counts.  An index of reports indicating whether traffic counts are included is searchable online.
These traffic count Web pages and data were last updated in May 2006.  The MPO does not warrant the accuracy of the count data, which was collected by other agencies and is made available on this Web site with their permission.

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