Height Modernization Meeting January 26 2011 TDOT Status

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Height Modernization Meeting January 26, 2011 TDOT Status Report

Height Modernization Meeting January 26, 2011 TDOT Status Report

Background & Status • Contract Awarded to Hayes Instrument Company of Shelbyville, TN and

Background & Status • Contract Awarded to Hayes Instrument Company of Shelbyville, TN and Topcon Positioning Systems of Livermore, CA on October 20, 2006. • 38 - Stations are currently National CORS sites • 1 - Station positioned by TDOT staff. (Metal Roof) • Supplemental TDOT stations will be added to improve overall network performance and to fill in a few areas.

Data Sharing • Data Sharing Agreements are in place with: • Kentucky Transportation Cabinet

Data Sharing • Data Sharing Agreements are in place with: • Kentucky Transportation Cabinet – 4 Reference Stations • Alabama Department of Transportation – 5 Reference Stations • Missouri Department of Transportation – 3 Reference Stations • North Carolina Geodetic Surveys – 8 Reference Stations • Center for Earthquake Research and Information – 8 Reference Stations (7 GPS Only)

Base Network

Base Network

Potential Buildout

Potential Buildout

Composite Status

Composite Status

Tennessee Base Mapping Program (TNBMP) • What is the TNBMP? – TNBMP is managed

Tennessee Base Mapping Program (TNBMP) • What is the TNBMP? – TNBMP is managed by the Department of Finance & Administration, Office for Information Resources, GIS Services – A statewide GIS base map that can be used in support of a wide range of local, state, and federal programs. – TDOT Office of Aerial Surveys performs acquisition and maintenance of TNBMP Orthophotography.

Tennessee Base Mapping Program

Tennessee Base Mapping Program