This polygon layer contains buildings, sites, structures, objects, and districts that have been placed on the National Register of Historic Places in recognition of their importance to American history, culture, or archaeology. National Register designation means that changes to these places must be reviewed if federal or state funds, permits, or licenses are used.
This layer was created for general use by the Cambridge Historical Commission (CHC) and for public distribution. Created for reference purposes as a digital companion to the hard copy National Register atlas kept on file by the CHC.

For more information and download links see:
http://www.cambridgema.gov/GIS/gisdatadictionary/Historical/HISTORICAL_NationalRegisterHistoricPlaces.aspx

This point layer contains the locations of the 33 polling locations within the City of Cambridge. Each precinct has one polling location where voters cast their ballots during local, state, and federal elections. Updated in 2011. This layer was created for the Cambridge Election Commission, for mapping, and for public distribution.

For more information and download links see:
http://www.cambridgema.gov/gis/gisdatadictionary/elections/elections_pollinglocations.aspx

This layer contains point features of all Commercial parking lots in the City of Cambridge. These include private and municipal lots and garages and their addresses. Created for general use by City staff. Used for both mapping and specific identification of parking lot locations.

For more information and download links see:
http://www.cambridgema.gov/gis/gisdatadictionary/traffic/traffic_commercialparking.aspx

Addresses of buildings, businesses, parks, and open spaces in the City of Cambridge. This dataset contains the complete list of addresses in Cambridge, along with each address's geospatial coordinates and relevant administrative boundaries (e.g., Census block, polling district, public safety area). The dataset does not include individual apartment units.The dataset is sourced from Cambridge's master address and GIS databases. Shapefiles for this data and other Cambridge geospatial data can be found on on the City's GIS Data Dictionary at https://www.cambridgema.gov/GIS/gisdatadictionary

This polygon layer contains the outdoor public waterplay facilities within Cambridge. Waterplay facilities are located within city parks in in city playgrounds
Created for general use within the Community Development Department (CDD) and for map making.

For more information and download links see:
http://www.cambridgema.gov/GIS/gisdatadictionary/Recreation/RECREATION_Waterplay.aspx

This polygon layer contains the two elective districts for congressmen in Cambridge in the United State Congress. This layer was created for general use by the Cambridge Election Commission and for public distribution. There are two congressional districts in Cambridge, one of which is in the middle of another one.

For more information and download links see:
http://www.cambridgema.gov/gis/gisdatadictionary/elections/elections_congressionaldistricts.aspx

This line layer indicates streets within the City of Cambridge that have pavement markings or construction features that facilitate bicycle use. It also contains multi-purpose paths where bicycles can be used off the street.
Created for planning purposes, map making, and for public distribution.

For more information and download links see:
http://www.cambridgema.gov/gis/gisdatadictionary/recreation/recreation_bikefacilities.aspx

This layer contains point features of miscellaneous municipal buildings. This category is broader than just 'City Offices' as it includes sites such as the VFW hall, Senior Center, and DPW garages. Created for general use by City staff. Used for both mapping and specific identification of buildings with a similar use.

For more information and download links see:
http://www.cambridgema.gov/gis/gisdatadictionary/landmark/landmark_municipalbuildings.aspx

Size of point represents population in neighborhood. Click point to get details.

This polygon layer contains the three elective districts for state legislators who represent Cambridge in the Massachusetts Senate. This layer was created for general use by the Cambridge Election Commission and for public distribution. Cambridge wards and precincts can be overlaid on district boundaries to designate which voters fall into each district.

For more information and download links see:
http://www.cambridgema.gov/GIS/gisdatadictionary/Elections/ELECTIONS_StateSenateDistricts.aspx