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Roadway Design Division

TDOT GNSS Reference Network

NEWS & INFORMATION: TDOT is accepting Network User Access Contracts for access to the TDOT GNSS Reference Network. TN10 (Sevierville) & TN1A (Knoxville) have been added to the network, for coordinates and site photos please click here. TN10  or  TN1A

If you have any questions, please e-mail

TN11 TN49 TN27 TN19 TN28 TN48 TN46 TN17 TN18 TN47 TN26 TN 30 TN10 TN

Pan over and Click on the reference stations and you will be redirected to the National Geodetic Survey Web Page for individual reference station information.

Contact Information
TDOT GNSS Reference Network
Headquarters Survey Office
Suite 1300, James K. Polk Building
Nashville, TN 37243
Telephone # (615) 741-0450
FAX # (615) 532-2799

Contracts for Network Access

Contracts for July 1, 2014 thru June 30, 2018
Network User Access Contract (Non-Government and Non-Education Entities) MS Word
Network User Access Contract (Federal or Tennessee Local or Quasi Governmental Entity) MS Word
Network User Access Contract (U.T. Board of Regents: College or University) MS Word