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You searched for: Subject Transportation Remove constraint Subject: Transportation Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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1.
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Active Railroads: Pennsylvania penn-state

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.

3.
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Airports: Centre County, Pennsylvania penn-state

1995. Centre County Government. Point Feature Class - It was originally captured as part of the 1995 Aerial Imagery project completed by Kimball.

4.
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Alleys: Washington, D.C., 1999 maryland

1999. City of Washington, DC. Alley centerlines captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washin...

6.
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Bridges and Tunnels: Washington, D.C., 1999 maryland

1999. City of Washington, DC. Hidden bridges and tunnels captured in 1999. This is a new dataset that was not collected as part of the planimetric mapping project. It shows brid...

7.
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Bridges: Centre County, Pennsylvania penn-state

1995. Centre County Government. Point Feature Class - It was originally captured as part of the 1995 Aerial Imagery project completed by Kimball. This layer has since been enhance...

9.
Vector

Curbs: Washington, D.C., 1999 maryland

1999. City of Washington, DC. Curbs captured in 1999. This dataset was collected as part of the planimetric mapping project. Hidden features were added as enhancements to this d...

10.
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Hidden Roads: Washington, D.C., 1999 maryland

1999. City of Washington, DC. Hidden roads captured in 1999. This is a new dataset that was not collected as part of the planimetric mapping project. It was created to enhance e...

11.
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Hidden Sidewalks: Washington, D.C., 1999 maryland

1999. City of Washington, DC. Hidden sidewalks captured in 1999. This is a new dataset that was not collected as part of the planimetric mapping project. It was created to enhan...

16.
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Inactive Railroads: Pennsylvania penn-state

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

17.

Intermodal Terminal Facilities: Indiana purdue

1996-1997. Bureau of Transportation Statistics. BTS metadata states – “The Intermodal Terminal Facilities data set contains geographic data for trailer-on-flatcar (TOFC) and container-on-flatcar...

18.
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Other Traffic Signs: Washington, D.C., 1999 maryland

1999. City of Washington, DC. Other traffic signs captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Wash...

19.
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Overhead Traffic Signs: Washington, D.C., 1999 maryland

1999. City of Washington, DC. Overhead Traffic Signs captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in W...

20.
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Railroads: Dauphin County, Pennsylvania penn-state

1990. Dauphin County, PA. Reference dataset showing railroads in Dauphin County. Most likely derived from a PennDOT dataset in the early 1990s and updated as needed.