Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. 2016 Regional Solicitation - Functional Class Roads - Planned: Metro Twin Cities, Minnesota

2016. Metropolitan Council. Regional Solicitation Functional Class: The regional solicitation functional class roads are a specific version of the functional class roads to be...

2. 2030 Proposed Rapid Bus: Washington, D.C.

2030. District of Columbia GIS Program. Rapid Bus - 2030 transportation plan All DC GIS data is stored and exported in Maryland State Plane coordinates NAD 83 meters. METADATA CONTENT IS ...

3. 511 Events: Nebraska

2016. Iowa Department of Transportation. Current 511 Events for Nebraska. This layer is updated every 10 minutes. This layer is provided as a courtesy from Iowa DOT for use by Iowa DOT web...

4. 511 IA Road Conditions: Iowa

2016. Iowa Department of Transportation. Iowa Winter Road Conditions. Conditions are updated every 10 minutes during the winter season (October 15 to April 15) and on an as-needed basis du...

5. 511 Non-Iowa Road Conditions

2017. Iowa Department of Transportation. Surrounding States: Feature Collection or Feature Service Conditions are updated every 10 minutes during the winter season (October 15 to April 15)...

6. Abandoned Rail Lines: Iowa

2017. Iowa Department of Transportation. This layer depicts abandoned rail lines in Iowa.

7. Access Across America: Transit Data, 2014

2014. Owen, Andrew and Levinson, David M. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...

8. Access Control to the Primary Highway System: Iowa

2016. Iowa Department of Transportation. The Iowa DOT has established an access management policy to control access to the Primary Highway System. This layer depicts all non-Priority 1 cla...

9. Active and Abandoned Rail System: Indiana, 2005

2006. Indiana Department of Transportation, Business Information and Technology Systems, GIS Mapping. RAIL_SYSTEM_ACTIVE_ABANDONED_INDOT_IN is a line shapefile that contains all active and abandoned rail lines in Indiana, provided by personnel of In...

10. Active: Iowa

2015. Iowa Department of Transportation. Iowa Department of Transportation's Intelligent Transportation System (ITS) Digital Message Signs (DMS) devices.Layer and service is maintained by ...

11. Active Rail Lines: Iowa

2017. Iowa Department of Transportation. This layer depicts the current active rail lines for the State of Iowa.

12. Active Railroads: Pennsylvania, 1996

1996. Environmental Resources Research Institute. Location of active rail lines in Pennsylvania, digitized from 1:24,000 USGS topographic maps on a stable mylar base.

13. Addresses Sauk County, Wisconsin 2016

2016. Sauk County Land Information/GIS Department. This point data layer represents addresses for Sauk County, Wisconsin in 2016.

14. Administrative State Roads: Pennsylvania, 2016

2016. Pennsylvania Department of Transportation, Bureau of Planning and Research, Geographic Information Division. classification of road segments.

15. Adopt-A-Highway Status: Adopted: Iowa

2016. Iowa Department of Transportation. This layer displays all of the currently adopted Iowa Highway segments as related to the Adopt-A-Highway program. These layers were developed for u...

16. Adopt-A-Highway Status: Never Adoptable: Iowa

2016. Iowa Department of Transportation. This layer represents the sections of highway which are never available for adoption within the Adopt-A-Highway program. This symbolization was dev...

17. Airfields, Indianapolis, Indiana

2017. City of Indianapolis-Marion County. Polygon file representing the locations of airfields in Indianapolis and Marion County, Indiana. Data projection: NAD 1983 StatePlane Indiana East ...

18. Airport Parking Entry Exit: Philadelphia, 2016

2016. The City of Philadelphia has migrated metadata for this data set to the City-wide Metadata Catalog. For any questions about the migration and admin...

19. Airport Part 77 Surfaces - Approach: Iowa

2016. Iowa Department of Transportation. The approach surface is longitudinally centered on the extended runway centerline and extends outward and upward from each end of the primary surfa...

20. Airport Part 77 Surfaces - Approach (Precision): Iowa

2016. Iowa Department of Transportation. The approach surface is longitudinally centered on the extended runway centerline and extends outward and upward from each end of the primary surfa...