Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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All Systems Permit (All Restricted - County Level): Iowa

2016. Iowa Department of Transportation. Displays counties where all county roads are restricted. Street-level restriction map can be found here: http://www.iowadot.gov/mvd/motorcarriers/s...

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All Systems Permit (No Restrictions - County Level): Iowa

2016. Iowa Department of Transportation. Displays counties where no county roads are restricted. Street-level restriction map can be found here: http://www.iowadot.gov/mvd/motorcarriers/sy...

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All Systems Permit (Some Restrictions - County Level): Iowa

2016. Iowa Department of Transportation. Displays counties where some county roads are restricted. Street-level restriction map can be found here: http://www.iowadot.gov/mvd/motorcarriers/...

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Annual Average Daily Traffic - Annual Average Daily Traffic (Sha Statewide Aadt Lines): Maryland

2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.Annual Average Daily Traffic (AADT) Lines data consists o...

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Annual Average Daily Traffic - Annual Average Daily Traffic (Sha Statewide Aadt Points): Maryland

2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.Annual Average Daily Traffic (AADT) Points data consists ...

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Edge Of Pavement: Lake County, Illinois, United States

Lake County, Illinois. The pavement boundaries were traced from aerial photography taken between April 13 and April 26, 2002 and then updated from photography taken betwe...

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Freight, Highway Network, Delaware Valley Regional Planning Commission: Greater Philadelphia Metropolitan Area

2016. DVRPC-GIS. The DVRPC Freight Highways data layer was based on DVRPC's major routes dataset representing major highways in the region. The dataset uses the cen...

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Functional Classification of Roadways: Indiana

Functional Classification of Roadways: Indiana

2016. Indiana Department of Transportation, Road Inventory Section. FUNCTIONAL_CLASS_INDOTMODEL_IN is a line shapefile that shows the Federal Highway Administration functional classification of roadways from the Roa...

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Highway Mile Markers, Historic: Howard County, Maryland

Highway Mile Markers, Historic: Howard County, Maryland

Historic Mile Markers captured using a GPS. Include visible historic markers on Frederick Road, Clarksville Pike, Old Frederick Road and one in Mou...

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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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Interstate Highways: Washington, D.C.

2015. City of Washington, DC. Street Centerline Segments. A single line representing each street in the District, segmented at major blocks to preserve geocoding integrity. They...

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Interstates from the Department of Transportation, 2015: Indiana

Interstates from the Department of Transportation, 2015: Indiana

2006. Indiana Department of Transportation, Road Inventory Section. INTERSTATES_INDOT_IN.SHP is a line shapefile of Indiana interstates, as provided by the Indiana GIS Department of Transportation (INDOT), Road Inve...

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Lane Mile Inventory (Lmi): Michigan

2015. State of Michigan. 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 (...

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Maryland Highway Performance Monitoring System - Roadway Maintenance Responsibility: Maryland, United States

ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.Roadway Maintenance Responsibility data consists of linea...

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National Highway System Connectors, Delaware Valley Regional Planning Commission: Greater Philadelphia Metropolitan Area

2016. DVRPC-GIS. National Highway System (NHS) connectors are roads, which may be either state or locally owned, which connect intermodal facilities to major highwa...

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National Highway System: Washington, D.C.

2015. City of Washington, DC. Streets designated as part of the National Highway System (NHS).

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Public Works Streets Centerline: Minneapolis, Minnesota

2018. MapIT Minneapolis. For questions about this data please contact PublicWorksOpenData@minneapolismn.gov Attribute Overview: Ramp county centerline, Ramp Interstate cent...

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Road Centerlines - Interstates: Maryland

2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.Road Centerlines data consists of linear features which r...

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Road Centerlines - Local and Other Roads: Maryland

2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.Road Centerlines data consists of linear features which r...

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Road Centerlines - Routes: Maryland

2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.Road Centerlines data consists of linear features which r...