Connecticut GIS Data
Welcome to MAGIC's Connecticut GIS data distribution page. Included below are a variety of Connecticut GIS datasets from the Connecticut Department of Environmental Protection, MAGIC, US Census, Trinity College, and other sources. All data are available as shapefiles in Connecticut NAD83 feet, NAD83 meters, and WGS84, KML (for Google Earth), and a map preview option that utilizes Google Maps. Metadata, data in spreadsheet format, and links to the data source are also provided.
Data Categories
Boundaries - Political and Administrative
Includes state, congressional, county, state house, state senate, towns and other political and administrative boundary files for Connecticut.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
---|---|---|---|---|---|---|---|---|---|
Connecticut (Statewide) | 2010 | 1:100,000 | US Census | ||||||
Connecticut (Statewide) | 2008 | 1:100,000 | US Census | ||||||
Connecticut (Statewide) | 2000 | 1:100,000 | US Census | ||||||
Connecticut (Statewide) | 1995 | 1:24,000 | CT DEP | ||||||
Connecticut (Statewide) | 1995 | 1:250,000 | CT DEP | ||||||
Connecticut (Statewide) | 1990 | 1:100,000 | US Census | ||||||
Connecticut American Indian Areas | 2010 | 1:100,000 | US Census | ||||||
Connecticut American Indian Areas | 2008 | 1:100,000 | US Census | ||||||
Connecticut American Indian Areas | 2000 | 1:100,000 | US Census | ||||||
Connecticut Congressional Districts - 111th Congress | Cong. Districts |
2009 | 1:100,000 | US Census | |||||
Connecticut Congressional Districts - 110th Congress | Cong. Districts |
2007 | 1:100,000 | US Census | |||||
Connecticut Congressional Districts - 108th Congress | Cong. Districts |
2003 | 1:100,000 | US Census | |||||
Connecticut Congressional Districts - 107th Congress | Cong. Districts |
2001 | 1:100,000 | US Census | |||||
Connecticut Congressional Districts - 102th Congress | Cong. Districts |
1991 | 1:100,000 | US Census | |||||
Connecticut Counties | 2010 | 1:100,000 | US Census | ||||||
Connecticut Counties | 2008 | 1:100,000 | US Census | ||||||
Connecticut Counties | 2000 | 1:100,000 | US Census | ||||||
Connecticut Counties | 1995 | 1:250,000 | CT DEP | ||||||
Connecticut Counties | 1990 | 1:100,000 | US Census | ||||||
Connecticut Regional Planning Organizations | CT Planning | 1995 | 1:250,000 | CT DEP | |||||
Connecticut State House Districts | CT House Districts | 2010 | 1:100,000 | US Census | |||||
Connecticut State House Districts | CT House Districts | 2008 | 1:100,000 | US Census | |||||
Connecticut State House Districts | CT House Districts | 2000 | 1:100,000 | US Census | |||||
Connecticut State House Districts | CT House Districts | 1991 | 1:100,000 | US Census | |||||
Connecticut State Senate Districts | CT Senate Districts | 2010 | 1:100,000 | US Census | |||||
Connecticut State Senate Districts | CT Senate Districts | 2008 | 1:100,000 | US Census | |||||
Connecticut State Senate Districts | CT Senate Districts | 2000 | 1:100,000 | US Census | |||||
Connecticut State Senate Districts | CT Senate Districts | 1991 | 1:100,000 | US Census | |||||
Connecticut Towns (County Subdivisions) |
2010 | 1:100,000 | US Census | ||||||
Connecticut Towns (County Subdivisions) |
2008 | 1:100,000 | US Census | ||||||
Connecticut Towns (County Subdivisions) |
2000 | 1:100,000 | US Census | ||||||
Connecticut Towns (County Subdivisions) |
1990 | 1:100,000 | US Census | ||||||
Connecticut Towns (County Subdivisions) - line features |
1986 | 1:250,000 | CT DEP | ||||||
Connecticut Towns (County Subdivisions) - polygon features |
1986 | 1:250,000 | CT DEP | ||||||
Connecticut Towns (County Subdivisions) - line features |
1984 | 1:24,000 | CT DEP | ||||||
Connecticut Towns (County Subdivisions) - polygon features |
1984 | 1:24,000 | CT DEP | ||||||
Connecticut Voting Districts | Voting Districts |
2010 | 1:100,000 | US Census | |||||
Connecticut Voting Districts | Voting Districts |
2000 | 1:100,000 | US Census | |||||
Connecticut Zip Codes (5 Digit) | Zip Codes |
2010 | 1:100,000 | US Census | |||||
Connecticut Zip Code (5 Digit) | Zip Codes |
2000 | 1:100,000 | US Census |
Census
The following includes 2010 U.S. Census shapefiles for Connecticut that include the redistricting data (Public Law 94-171) appended to the shapefiles, as well as shapefiles for census related geographies (Tracts, Block Groups, Blocks). Additional boundary files are included in the Boundaries - Political and Administrative section of the Connecticut GIS Data Page. Included below are quick links to view census related shapefiles
2010 Census | 2000 Census | 1990 Census |
Census - 2010 Boundary Files
These shapefiles include fields to make it easier to join data from the American Factfinder 2. To obtain shapefiles with data included for Connecticut use the US Census Redistricting Data (Public Law 94-171) and shapefiles listed above.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
---|---|---|---|---|---|---|---|---|---|
Connecticut Tracts | 2010 | 1:100,000 | US Census | ||||||
Connecticut Block Groups | 2010 | 1:100,000 | US Census | ||||||
Connecticut Blocks | 2010 | 1:100,000 | US Census | Not Available |
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Connecticut Combined New England City and Town Area (CNECTA) | CNECTA | 2010 | 1:100,000 | US Census | |||||
Connecticut Combined Statistical Area (CSA) | CSA | 2010 | 1:100,000 | US Census | |||||
Connecticut Consolidated Cities | Cons. Cities |
2010 | 1:100,000 | US Census | |||||
Connecticut Metropolitan Statistical Area/Micropolitan Statistical Areas (CBSA) | CBSA | 2010 | 1:100,000 | US Census | |||||
Connecticut New England City and Town Areas (NECTA) | NECTA | 2010 | 1:100,000 | US Census |
Census - 2000 Boundary Files
The following includes 2000 U.S. Census Connecticut boundary files for census related geographies (Tracts, Block Groups, Blocks) and additional census boundaries. Additional boundary files are included in the Boundaries - Political and Administrative section of the Connecticut GIS Data Page.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
---|---|---|---|---|---|---|---|---|---|
Connecticut Tracts | 2008 | 1:100,000 | US Census | ||||||
Connecticut Tracts | 2000 | 1:100,000 | US Census | ||||||
Connecticut Block Groups | 2008 | 1:100,000 | US Census | ||||||
Connecticut Block Groups | 2000 | 1:100,000 | US Census | ||||||
Connecticut Blocks | 2008 | 1:100,000 | US Census | Not Available |
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Connecticut Blocks | 2000 | 1:100,000 | US Census | Not Available |
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Connecticut Combined New England City and Town Area (CNECTA) | CNECTA | 2008 | 1:100,000 | US Census | |||||
Connecticut Combined Statistical Area (CSA) | CSA | 2008 | 1:100,000 | US Census | |||||
Connecticut Consolidated Cities | Cons. Cities |
2000 | 1:100,000 | US Census | |||||
Connecticut Metropolitan Statistical Area/Micropolitan Statistical Areas (CBSA) | CBSA | 2008 | 1:100,000 | US Census | |||||
Connecticut New England City and Town Areas (NECTA) | NECTA | 2008 | 1:100,000 | US Census | |||||
Connecticut 1% Public Use Microdata Area (PUMA) | PUMA | 2008 | 1:100,000 | US Census | |||||
Connecticut 5 or 10 % Public Use Microdata Area (PUMA) | PUMA | 2008 | 1:100,000 | US Census |
Census - 1990 Boundary Files
The following includes 1990 U.S. Census Connecticut boundary files for census related geographies (Tracts & Block Groups). Additional boundary files are included in the Boundaries - Political and Administrative section of the Connecticut GIS Data Page.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
---|---|---|---|---|---|---|---|---|---|
Connecticut Tracts | 1990 | 1:100,000 | US Census | ||||||
Connecticut Block Groups | 1990 | 1:100,000 | US Census |
Education
Includes boundary files for Connecticut Elementary, Middle, Secondary, Unified Schools as well as boundaries for school attendance zones within the Hartford region.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
---|---|---|---|---|---|---|---|---|---|
Connecticut Elementary School Districts | School Districts |
2010 | 1:100,000 | Trinity College | |||||
Connecticut Elementary School Districts (rev. 5/13/2010) | School Districts |
2008 | 1:100,000 | Trinity College | |||||
Connecticut Elementary School Districts | School Districts |
2008 | 1:100,000 | US Census | |||||
Connecticut Elementary School Districts | School Districts |
2000 | 1:100,000 | Trinity College | |||||
Connecticut Middle School Districts (rev. 5/13/2010) | School Districts |
2008 | 1:100,000 | Trinity College | |||||
Connecticut Secondary School Districts (rev. 5/13/2010) | School Districts |
2008 | 1:100,000 | Trinity College | |||||
Connecticut Secondary School Districts | School Districts |
2010 | 1:100,000 | US Census | |||||
Connecticut Secondary School Districts | School Districts |
2008 | 1:100,000 | US Census | |||||
Connecticut Secondary School Districts | School Districts |
2000 | 1:100,000 | US Census | |||||
Connecticut Unified School Districts | School Districts |
2010 | 1:100,000 | US Census | |||||
Connecticut Unified School Districts | School Districts |
2008 | 1:100,000 | US Census | |||||
Connecticut Unified School Districts | School Districts |
2000 | 1:100,000 | US Census | |||||
Glastonbury Elementary School Attendance Zones (rev. 6/9/2010) | Schools |
2007 | 1:100,000 | Trinity College | |||||
Hartford School Attendance Zones* (rev. 5/13/2010) | Schools | 2009 | 1:100,000 | Trinity College | |||||
Hartford Area School Attendance Zones* | Schools | 2008 | 1:100,000 | Trinity College | |||||
Manchester & Newington Elementary Attendance Zones (rev. 6/9/2010) | Schools | 2006 | 1:100,000 | Trinity College |
* Avon, Bloomfield, Canton, East Granby, East Hartford, East Windsor, Farmington, Glastonbury, Granby, Manchester, Newington, Simsbury, Suffield, Vernon, Wethersfield, Windsor, Windsor Locks
Election Data
Includes election results appended to boundary files.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
---|---|---|---|---|---|---|---|---|---|
2008 Connecticut Election Results | 2008 | 1:20,000 | MAGIC | Coming Soon |
Coming Soon |
GeoScience/Environmental
Includes boundary files for bedrock geology, solid waste sites, open space, soils, and surficial materials.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
---|---|---|---|---|---|---|---|---|---|
Connecticut Bedrock Geology-Line Features | 2000 | 1:50,000 | CT GNHS | ||||||
Connecticut Bedrock Geology-Polygon Features | 2000 | 1:50,000 | CT GNHS | ||||||
Connecticut Municipal Solid Waste Sites | 1995 | 1:24,000 | CT DEP | ||||||
Connecticut Open Space | 1997 | 1:24,000 | CT DEP | ||||||
Connecticut Soils | 1996 | 1:250,000 | NRCS | ||||||
Connecticut Surficial Materials | 1994 | 1:24,000 | USGS | Not Available |
Hydrography (Water)
Includes coastal, drainage basin, hydrography, rivers, streams, sewer and other hydrography related files.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
---|---|---|---|---|---|---|---|---|---|
Connecticut Aquifer Protection Areas | 2001 | 1:24,000 | CT DEP | ||||||
Connecticut Coastal Areas | 1995 | 1:24,000 | CT DEP | ||||||
Connecticut Coastal Boundary | 1995 | 1:24,000 | CT DEP | ||||||
Connecticut Drainage Basins - Line Features | 1988 | 1:24,000 | CT DEP | Not Available |
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Connecticut Drainage Basins-Polygon Features | 1988 | 1:24,000 | CT DEP | ||||||
Connecticut Hydrography - Line Features | 2010 | 1:100,000 | US Census | Not Available |
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Connecticut Hydrography - Line Features | 1984 | 1:24,000 | CT DEP | Not Available |
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Connecticut Hydrography Network | 1984 | 1:24,000 | CT DEP | ||||||
Connecticut Hydrography - Polygon Features | 2010 | 1:100,000 | US Census | Not Available |
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Connecticut Hydrography - Polygon Features | 1984 | 1:24,000 | CT DEP | ||||||
Connecticut Hydrography Subset - Line Features | 1984 | 1:24,000 | CT DEP | Not Available |
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Connecticut Hydrography Subset - Polygon Features | 1984 | 1:24,000 | CT DEP | ||||||
Connecticut Leachate and Wastewater Discharge Sources - Line Features | 1997 | 1:50,000 | CT DEP | ||||||
Connecticut Leachate and Wastewater Discharge Sources - Point Features | 1997 | 1:50,000 | CT DEP | ||||||
Connecticut Local Drainage Basins - Line Features | 1988 | 1:24,000 | CT DEP | Not Available |
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Connecticut Local Drainage Basins - Polygon Features | 1988 | 1:24,000 | CT DEP | ||||||
Connecticut Main Stem Rivers - Line Features | 1986 | 1:250,000 | CT DEP | ||||||
Connecticut Main Stem Rivers - Polygon Features | 1986 | 1:250,000 | CT DEP | ||||||
Connecticut Major Drainage Basins - Line Features | 1988 | 1:24,000 | CT DEP | ||||||
Connecticut Major Drainage Basins - Polygon Features | 1988 | 1:24,000 | CT DEP | ||||||
Connecticut Major Drainage Basins - Line Features | 1986 | 1:250,000 | CT DEP | ||||||
Connecticut Major Drainage Basins - Polygon Features | 1986 | 1:250,000 | CT DEP | ||||||
Connecticut Major Rivers - Line Features | 1986 | 1:250,000 | CT DEP | ||||||
Connecticut Major Rivers - Polygon Features | 1986 | 1:250,000 | CT DEP | ||||||
Connecticut Regional Drainage Basins - Line Features | 1988 | 1:24,000 | CT DEP | ||||||
Connecticut Regional Drainage Basins - Polygon Features | 1988 | 1:24,000 | CT DEP | ||||||
Connecticut Regional Drainage Basins - Line Features | 1986 | 1:250,000 | CT DEP | ||||||
Connecticut Regional Drainage Basins - Polygon Features | 1986 | 1:250,000 | CT DEP | ||||||
Connecticut Sewage Treatment Plants | 1999 | 1:24,000 | CT DEP | ||||||
Connecticut Sewer Service Areas | 1998 | 1:24,000 | CT DEP | ||||||
Connecticut Subregional Drainage Basins - Line Features | 1988 | 1:24,000 | CT DEP | Not Available |
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Connecticut Subregional Drainage Basins - Polygon Features | 1988 | 1:24,000 | CT DEP | ||||||
Connecticut Subregional Drainage Basins - Line Features | 1986 | 1:250,000 | CT DEP | ||||||
Connecticut Subregional Drainage Basins - Polygon Features | 1986 | 1:250,000 | CT DEP |
Indexes
Includes aerial photography indexes, New York, New Haven, and Hartford Railroad index, and USGS topographic map quadrangle indexes. Aerial Photography indexes includes links to download aerial photographs in TIFF and PDF imagery (when available).
Aerial Photography Indexes | NYNHHRR Valuation Maps Index | Topographic Map Indexes |
Aerial Photography Indexes
Not Sure Where to Start? Use the Map Preview option below next to each aerial photorgraphy index to search by address to locate aerial photography covering the area. Select the red pin which is closest to your area of interest as each pin represents the centerpoint of an aerial photo covering that area.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
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1934 Aerial Photography Centerpoint Index Updated 6/20/2013 to include TIFF and PDF images |
1934 | 1:14,000 | CSL | Coming Soon |
Coming Soon |
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1951-1952 Aerial Photography Centerpoint Index Updated 3/4/2011 to include TIFF and PDF images |
1951- 1952 |
1:20,000 | MAGIC | ||||||
1957 Aerial Photography Centerpoint Index (Middlesex Counties) Updated 3/4/2011 to include TIFF and PDF images |
1957 | 1:8,000 | MAGIC | ||||||
1963 Aerial Photography Centerpoint Index (Tolland, New London, and Windham Counties) Updated 5/16/2014 to include TIFF and PDF images |
1963 |
1:36,000 | MAGIC | Coming Soon |
Coming Soon |
Coming Soon |
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1965 Aerial Photography Centerpoint Index Updated 6/20/2013 to include TIFF and PDF images |
1965 | 1:5,280 | CSL | Coming Soon |
Coming Soon |
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1969 Aerial Photography Centerpoint Index (New London, Tolland and Windham Counties) | 1969 | 1:20,000 | MAGIC | Coming Soon |
Coming Soon |
Coming Soon |
Coming Soon |
Coming Soon |
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1970 Aerial Photography Centerpoint Index - Updated 12/20/2010 to include TIFF and PDF images |
1970 | 1:20,000 | MAGIC | ||||||
1985-86 Aerial Photography Centerpoint Index |
1985- 1986 | 1:6,000 | MAGIC | ||||||
1990 Aerial Photography Centerpoint Index |
1990 | 1:20,000 | MAGIC | ||||||
1995 Aerial Photography Centerpoint Index Updated 6/23/2011 to include TIFF and PDF images |
1995 | 1:20,000 | MAGIC | ||||||
2004 Aerial Photography Centerpoint Index Updated 5/16/2014 to include GeoTIFF ,TIFF and PDF images |
2004 | 1:20,000 | CT DEP | ||||||
2006 Aerial Photography Centerpoint Index Updated 5/16/2014 to include GeoTIFF ,TIFF and PDF images |
2006 | 1:24,000 | CT DEEP | ||||||
2008 Aerial Photography Centerpoint Index Updated 5/16/2014 to include GeoTIFF ,TIFF and PDF images |
2008 | 1:24,000 | CT DEEP | ||||||
2010 Aerial Photography Centerpoint Index Updated 5/16/2014 to include GeoTIFF ,TIFF and PDF images |
2010 | 1:24,000 | CT DEEP |
Coastal Infrared Aerial Photography Indexes
<Not Sure Where to Start? Use the Map Preview option below next to each aerial photorgraphy index to search by address to locate aerial photography covering the area. Select the blue outline which is closest to your area of interest as each pin represents the outline of an aerial photo covering that area.Update 9/12/2019: please note that Map Preview indexes for all aerial photo collections are temporarily inoperable. CT ECO and CT State Library also provide access to various years of aerial photos. We apologize for the inconvenience and expect to have the indexes availble again soon.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
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1974 Coastal Infrared Aerial Photography Index |
1974 | 1:12,000 | MAGIC | ||||||
1980 Coastal Infrared Aerial Photography Index Includes TIFF and PDF images |
1980 | 1:12,000 | MAGIC | ||||||
1981 Coastal Infrared Aerial Photography Index Includes TIFF and PDF images |
1981 | 1:12,000 | MAGIC | ||||||
1986-87 Coastal Infrared Aerial Photography Index| |
1986-1987 | 1:12,000 | MAGIC | ||||||
1990 Coastal Infrared Aerial Photography Index Includes TIFF and PDF images |
1990 | 1:12,000 | MAGIC | ||||||
1995 Coastal Infrared Aerial Photography Index Includes TIFF and PDF images |
1995 | 1:12,000 | MAGIC | ||||||
2000 Coastal Infrared Aerial Photography Index Includes TIFF and PDF images |
2000 | 1:12,000 | MAGIC |
NYNHH Railroad Valuation Map Index
Includes indexes for the New York, New Haven, Hartford Railroad Valuation Maps from the University of Connecticut Libraries Archives and Special Collections.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
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New York New Haven Hartford Railroad Map Index (1915-1916) | 2011 | 1:24,000 | MAGIC | Coming Soon |
USGS Topographic Map Indexes
Includes Connecticut topopgraphic map quadrangle indexes from MAGIC's collections and from the United State Geological Survey (USGS) at various scales.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
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USGS Topographic Quadrangle Index: 1:24,000 scale |
2014 | 1:24,000 | MAGIC | Coming Soon |
Coming Soon |
Coming Soon |
Coming Soon |
Coming Soon |
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USGS Topographic Quadrangle Index: 1:31,680 scale Updated 5/16/2014 to include GeoTIFF ,TIFF and PDF images |
2014 | 1:31,680 | MAGIC |
Places
Includes boat launches, census designated places, federal property, geographic place names, and additional place based boundary files.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
---|---|---|---|---|---|---|---|---|---|
Connecticut Boat Launches | 1996 | 1:24,000 | CT DEP | ||||||
Connecticut Census Designated Places (CDP) | 2010 | 1:250,000 | US Census | ||||||
Connecticut Census Designated Places (CDP) | 2008 | 1:250,000 | US Census | ||||||
Connecticut Census Designated Places (CDP) | 2000 | 1:250,000 | US Census | ||||||
Connecticut Census Designated Places (CDP) | 1990 | 1:100,000 | US Census | ||||||
Connecticut Federal Property | 1997 | 1:24,000 | CT DEP | ||||||
Connecticut Geographic Names:(Tables include physical features, towns and other cartographic reference locations) | 2008 | 1:24,000 | CT DEP | ||||||
Connecticut Geographic Names Information System - GNIS | 2001 | 1:24,000 | USGS | ||||||
Connecticut Geographic Places:(Includes schools, hospitals and other cartographic reference locations) | 2008 | 1:24,000 | CT DEP | ||||||
Connecticut Landmarks - Point Features | 2010 | 1:100,000 | US Census | ||||||
Connecticut Landmarks - Polygon Features | 2010 | 1:100,000 | US Census | ||||||
Connecticut Military Installations | 2010 | 1:100,000 | US Census | ||||||
Connecticut Military Installations | 2008 | 1:100,000 | US Census | ||||||
Connecticut USGS Annotations | 1995 | 1:24,000 | CT DEP |
Roads and Transportation
Includes roads, streets, railroads, and airport boundary files.
Dataset | Geography | Year | Scale | Source | Metadata | Spreadsheet | Shapefile |
KML |
Map Preview |
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Connecticut Airports | 1984 | 1:24,000 | CT DEP | ||||||
Connecticut Major Roads | 1995 | 1:250,000 | CT DEP | ||||||
Connecticut Primary and Secondary Roads | 2010 | 1:100,000 | US Census | ||||||
Connecticut Railroads | 2010 | 1:100,000 | US Census | ||||||
Connecticut Railroads | 1984 | 1:24,000 | CT DEP | ||||||
Connecticut Roads - 2010 | 2010 | 1:100,000 | US Census | Not Available |
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Connecticut Roads - 2008 | 2008 | 1:100,000 | US Census | Not Available |
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Connecticut Roads - 2000 | 2000 | 1:100,000 | US Census | Not Available |
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Connecticut Roads - 1984 | 1984 | 1:24,000 | CT DEP | Not Available |
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Connecticut Roads - Buffered | 1984 | 1:24,000 | CT DEP | Not Available |
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Connecticut Roads, Railroads, and Hydrography | 2010 | 1:100,000 | US Census | Not Available |