Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. Mile-Markers for System 1 Roads: Indiana, 2012

2006. Indiana Department of Transportion, Business Information and Technology Systems, GIS Mapping. MILE_MARKERS_SYSTEM1_INDOT_IN is a point shapefile that contains locations of all mile-markers on System 1 roads in Indiana, provided by personnel ...

2. System 1 Bridges: Indiana, 2012

2006. Indiana Department of Transportation, Business Information and Technology Systems, GIS Mapping. BRIDGES_SYSTEM1_INDOT_IN is a point shapefile that contains locations of all system 1 bridges in Indiana, provided by personnel of Indiana Departme...

3. Highways: Indiana, 2004

2004. Indiana Department of Transportation. HIGHWAYS_INDOTMODEL is a line shapefile showing the Interstate, US, and State Highways in Indiana. This file is a subset of the Indiana Statewide T...

4. Roads, 2012: Minnesota

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

5. Road Centerlines - Local and Other Roads: Maryland

2016. Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the Sta...

6. Interstate Highways: Washington, D.C.

2015. 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...

7. Administered State Forest Roads: Minnesota

2017. Minnesota Department of Natural Resources (MNDNR). Roads administered by the Commissioner of Natural Resources to provide access to lands administered by the Division of Forestry. These roads are ge...

8. Interstate Highway System: Iowa

2016. Iowa DOT GIS Services. Thematic map displaying the Interstate Highway System information for the centerline road segments in the State of Iowa.

9. National Highway System: Iowa

2016. Iowa DOT GIS Services. Thematic map displaying the current National Highway System (NHS) for the centerline road segments in the State of Iowa.

10. Road Centerlines - Interstates: Maryland

2016. Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the Sta...

11. Road Centerlines - Routes: Maryland

2016. Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the Sta...

12. 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...

13. National Highway System: Washington, D.C.

2015. District of Columbia GIS Program. Streets designated as part of the National Highway System (NHS).

14. Street Centerlines: Hennepin County, Minnesota

2015. 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...

15. Road Centerlines - US Routes: Maryland

2016. Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the Sta...

16. All Systems Permit (No Restrictions - Street Level): Iowa

2016. Iowa DOT GIS Services. Displays all non-restricted local road segments in the state of Iowa. Specific route information is only available once zoomed into the county leve...

17. All Systems Permit (Not Reported - Street Level): Iowa

2016. Iowa DOT GIS Services. Displays local road segments for which restriction information was not reported to the State of Iowa Department of Transportation. Specific route i...

18. Freight Highway Network: Delaware Valley

2016. Delaware Valley Regional Planning Commission. 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...

19. All Systems Permit (Restricted Routes - Street Level): Iowa

2016. Iowa DOT GIS Services. Displays all restricted local road segments in the state of Iowa. Specific route information is only available once zoomed into the county level. C...

20. Five-Year Program: 2018 Highways: Iowa

2018. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2018. To view the Program, vi...