Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
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Roads Green Lake County, Wisconsin, 2012

2012. Green Lake County Land Use Planning and Zoning Department. This data layer represents roads for Green Lake County, Wisconsin in 2012. Road centerlines attributed with address ranges. Road classifications fo...

2.
Roads, 2012: Minnesota

Roads, 2012: Minnesota

2012. Minnesota Department of Transportation (DOT). This dataset represents road centerlines for all public roads within the state of Minnesota. The roads are broken from intersection to intersection...

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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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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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Roads Juneau County, Wisconsin, 2015

2015. Juneau County Land Information. This data layer represents roads for Juneau County, Wisconsin in 2015.[Roads data contain the centerlines of all the roads in the county. They are ...

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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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Primary Roads: Prince George's County, Maryland

The Maryland-National Capital Park & Planning Commission. All highways and major roads of Prince George's County, Maryland.

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Administered State Forest Roads: Minnesota

Administered State Forest Roads: Minnesota

2014. Minnesota Department of Natural Resources (DNR). Roads administered by the Commissioner of Natural Resources to provide access to lands administered by the Division of Forestry. These roads are ge...

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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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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 - 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...

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Road Centerlines - Us 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...

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Street names: Minnesota

2018. Minnesota Department of Transportation (DOT). Street name is the common name given to a piece of roadway. It usually matches the signed roadway name. Only county roads, state aid routes, and hi...

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National Highway System, Truck Network, and Strategic Highway Network: Minnesota

2019. Minnesota Department of Transportation (DOT). The National Highway System (NHS) consists of roadways important to the nation's economy, defense, and mobility, and was developed by the Departmen...

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Road Related Structures: Minnesota

2018. Minnesota Department of Transportation (DOT). Reference posts (often called Mile Post or Mile Markers) are green numbered signs along the side of a highway roughly a mile apart for traveler ref...

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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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Functional Class Roads - Planned: Minnesota

Functional Class Roads - Planned: Minnesota

2015. The planned functional class roads layer contains approximate locations of planned major roads and highways in the Twin Cities seven county metropo...

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Functional Class Roads - Existing: Minnesota

Functional Class Roads - Existing: Minnesota

2015. Metropolitan Council and NCompass Technologies (formerly The Lawrence Group). The functional class roads layer contains major roads and highways in the Twin Cities seven county metropolitan area. The line work for the datase...

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Maryland Road Centerlines - Comprehensive: State of Maryland

2017. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information at https://imap.maryland.gov.Maryland Roadway Centerline data consists of linear geometric ...

20.
Road Resurfacing Management System: Howard County, Maryland, 2013

Road Resurfacing Management System: Howard County, Maryland, 2013

2013. FY 13 Road Resurfacing Management System maintained by Howard County Highways Bureau. This is a yearly inventory of road condition and needed repair.