Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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Interstate Highways: Washington, D.C.

District of Columbia GIS Program. Street Centerline Segments. A single line representing each street in the District They follow the general trend of the street and do not deviate d...

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Highway Jurisdiction: Cook County, Illinois

2015. Cook County GIS Department. This line dataset contains roads under Cook County, Illinois jurisdiction. The MAINT attribute is True" for roads maintained by the County. The dat...

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National Highway System: Washington, D.C.

District of Columbia GIS Program. Streets designated as part of the National Highway System (NHS).

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Street Centerlines: Hennepin County, Minnesota

Hennepin County GIS. This dataset contains the street centerlines of roadways in Hennepin County in the Metro Regional Centerline (MRCC) standard format. It is primaril...

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Indiana Roads from INDOT and TIGER Files: Indiana

Indiana Roads from INDOT and TIGER Files: Indiana

2015. Indiana Department of Transportation, Road Inventory Section. ROADS_2015_INDOT_IN.SHP is a line shapefile of Indiana roads, as provided by the Indiana GIS Department of Transportation (INDOT), Road Inventory S...

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Roadway Mile Markers - Roadway Mile Markers: Maryland

Roadway Mile Markers - Roadway Mile Markers: Maryland

2015. Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap. maryland. gov. Point features which represent the locations of mile m...

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Lane Mile Inventory (LMI): Michigan

2015. The Lane Mile Inventory is a GPS assisted windshield survey data collection of the number of lanes on any given segment of Michigan state highway (...