City of Boston Managed Streets

This layer contains streets under City of Boston jurisdiction. The layer was clipped out of the larger MassGIS road layer (EOTROADS_ARC) where Jurisdiction=2. The official state-maintained street transportation dataset available from MassGIS. The layer is maintained by the MassDOT. Formerly known as the Massachusetts Highway Department (MHD) Roads, then the Executive Office of Transportation - Office of Transportation Planning (EOT-OTP) Roads, the MassDOT Roads layer includes linework from the 1:5,000 road and rail centerlines data that were interpreted as part of the 1990's Aerial Imagery project. The Massachusetts Department of Transportation - Office of Transportation Planning, which maintains the primary source for this layer, continues to add linework from municipal and other sources and update existing linework using the most recent color orthophoto imagery as a base. The attribute table includes many "road inventory" fields maintained in MassDOT's linear referencing system. See the Attributes section below for more details. The data layer published in November 2018 is based on the MassDOT 2017 year-end Road Inventory layer and results of a 2014-15 MassDOT-Central Transportation Planning Staff project to conflate street names and other attributes from MassGIS' "base streets" to the MassDOT Road Inventory linework. The base streets are continually maintained by MassGIS as part of the NextGen 911 and Master Address Database projects. MassGIS staff reviewed the conflated layer and added many base street arcs digitized after the completion of the conflation work. Other edits included modifying some linework in areas of recent construction and roadway reconfiguration to align to 2017-18 Google ortho imagery, and making minor fixes to attributes and linework. https://www.mass.gov/doc/road-inventory-data-dictionary/download