GNSS Reference Network

NEWS & INFORMATION: 

Attention!!! The TDOT GNSS Reference Network is scheduled to be offline for maintenance on Tuesday, August 27, 2024, from 8:00 PM CDT to 10:00 PM CDT.

Please plan your access accordingly.  The Network will be returned to service as quickly as possible after maintenance is complete.

 

TDOT is currently updating the hardware and software used in the TDOT GNSS Reference Network.  Existing users will be notified in the  near future regarding changes.   

If you have any questions, please reach out to TDOT.GNSSNetwork@tn.gov or call 615-741-2875.

Contracts for Network Access 
Network User Access Contract (Non-Government and Non-Education Entities)
Network User Access Contract (Federal or Tennessee Local Government) 
Network User Access Contract (University of Tennessee or Board of Regents College or University)

New applicant must complete & submit these two forms with contract. 
TDOT New Supplier Registration Data Form
W-9 Form 2018                                                                                                  

Contact Information
Engineering Division
Headquarters Geodetics Section
Tennessee Department of Transportation
6604 Centennial Blvd.                                                                                                                                                                                          Nashville, TN 37243                                                                                                                                                                                              (615) 741-2875                                                                                                                                                                                                    TDOT.GNSSNetwork@tn.gov

National Geodetic Survey CORS Map

GNSS_Map

GPS

LOCATION

CITY, ST

LATITUDE

LONGITUDE

TN1A

Pellissippi State Community College

Knoxville, TN

35 56 53.51756 N

84 10 00.37632 W

TN2A 

Cleveland Police Department

Cleveland, TN

35 09 34.16203 N

84 52 26.33761 W

TN4A

TDOT DISTRICT 4A

Buchanan, TN

36 26 03.15765 N

88 04 43.85840 W

TN4B

Boling University Center, UT Martin

Martin, TN

36 20 25.43628 N

88 51 52.30188 W

TN10

Sevierville City Hall

Sevierville, TN

35 51 57.94887 N

83 33 29.17304 W

TN11

TDOT DISTRICT 11

Johnson City, TN

36 21 41.99003 N

82 23 33.94738 W

TN12

TDOT DISTRICT 12

Morristown, TN

36 14 52.96393 N

83 17 11.09224 W

TN13

TDOT DISTRICT 13

Newport, TN

35 56 37.05739 N

83 12 26.43588 W

TN14

TDOT DISTRICT 14

Lafollette, TN

36 24 27.33540 N

84 03 54.65235 W

TN15

TDOT DISTRICT 15

Knoxville, TN

36 00 08.26072 N

83 46 13.97247 W

TN16

TDOT DISTRICT 16

Harriman, TN

35 54 09.82746 N

84 36 04.38437 W

TN17

TDOT DISTRICT 17

McGhee Tyson ANGB, TN

35 48 48.18446 N

84 00 17.55578 W

TN18

TDOT DISTRICT 18

Elizabethton, TN

36 21 57.03061 N

82 10 42.26747 W

TN19

TDOT DISTRICT 19

Huntsville, TN

36 24 29.95971 N

84 31 41.01323 W

TN21

TDOT DISTRICT 21

Chattanooga, TN

35 03 51.76245 N

85 12 25.95608 W

TN22

TDOT DISTRICT 22

Dunlap, TN

35 23 25.74347 N

85 22 40.99176 W

TN23

TDOT DISTRICT 23

Crossville, TN

35 55 10.71001 N

84 59 57.58664 W

TN24

TDOT DISTRICT 24

Cookville, TN

36 08 03.72246 N

85 29 57.83958 W

TN25

TDOT DISTRICT 25

Tullahoma, TN

35 22 01.47407 N

86 11 20.80074 W

TN26

TDOT DISTRICT 26

Athens, TN

35 26 35.14382 N

84 37 48.35644 W

TN27

TDOT DISTRICT 27

Livingston, TN

36 23 45.63539 N

85 19 02.92673 W

TN28

TDOT DISTRICT 28

McMinnville, TN

35 42 05.63114 N

85 44 43.53387 W

TN29

TDOT DISTRICT 29

Delano, TN

35 14 46.29913 N

84 34 06.15612 W

TN30

TDOT DISTRICT 30

Hohenwald, TN

35 33 05.86957 N

87 34 26.23160 W

TN31

TDOT DISTRICT 31

Nashville, TN

36 10 13.08124 N

86 52 14.40766 W

TN32

TDOT DISTRICT 32

Gallatin, TN

36 23 48.58728 N

86 24 19.69921 W

TN33

TDOT DISTRICT 33

Clarksville, TN

36 33 31.34289 N

87 19 10.01124 W

TN34

TDOT DISTRICT 34

Belfast, TN

35 25 34.74433 N

86 42 43.89943 W

TN35

TDOT DISTRICT 35

McEwen, TN

36 06 14.17845 N

87 37 21.54733 W

TN36

TDOT DISTRICT 36

Lawrenceburg, TN

35 15 20.76809 N

87 19 33.76394 W

TN37

TDOT COLUMBIA

Columbia, TN

35 36 13.78246 N

87 05 37.72043 W

TN38

TDOT MURFREESBORO

Murfreesboro, TN

35 53 46.00041 N

86 26 37.30979 W

TN39

TDOT DISTRICT 39

Pulaski, TN

35 11 29.07104 N

87 00 26.77143 W

TN40

TDOT DISTRICT 40

Lexington, TN

35 38 50.64135 N

88 24 04.33666 W

TN41

TDOT DISTRICT 41

McKenzie, TN

36 07 34.90225 N

88 30 45.89068 W

TN42

TDOT DISTRICT 42

Newbern, TN

36 08 12.57251 N

89 14 53.33966 W

TN43

TDOT DISTRICT 43

Bethel Springs, TN

35 13 42.87496 N

88 36 14.13100 W

TN44

TDOT DISTRICT 44

Jackson, TN

35 38 25.52637 N

88 55 08.65349 W

TN45

TDOT DISTRICT 45

Arlington, TN

35 17 57.39585 N

89 39 34.62634 W

TN46

TDOT DISTRICT 46

Crump, TN

35 13 16.58751 N

88 19 06.07634 W

TN47

TDOT DISTRICT 47

Whiteville, TN

35 19 11.09337 N

89 09 35.95086 W

TN48

TDOT DISTRICT 48

Paris, TN

36 17 45.78045 N

88 17 47.70534 W

TN49

TDOT DISTRICT 49

Ripley, TN

35 46 48.32709 N

89 31 08.93585 W