This list is ordered alphabetically from A-Z.

Alabama Dept. of Transportation: https://www.dot.state.al.us/dsweb/divped/Location/index.html

Alaska: Plate Boundary Observatory

Arizona

              Arizona State Cartographer’s Office: https://www.spider.azhmp.org/SBC

              Plate Boundary Observatory https://www.unavco.org/projects/past-projects/pbo/pbo.html

California Real Time Network (CRTN): https://www.surveymonkey.com/r/CRTN_Registration

Plate Boundary Observatory

Colorado

              Mesa County: https://bit.ly/MesaCountyVRS_Register

              Plate Boundary Observatory

Florida Dept. of Transportation: https://www.fdot.gov/geospatial/FPRN.shtm

Idaho:   Plate Boundary Observatory

Indiana Dept. of Transportation: https://incors.in.gov/rtk.aspx

Iowa Dept. of Transportation

Kentucky Transportation Cabinet: https://kycors.ky.gov/RegisterAccount.aspx

Louisiana State University: http://c4gnet.xyz/RegisterAccount.aspx

Maine Dept. of Transportation: https://www.maine.gov/mdot/surveyinfo/docs/MaineDOTRINEXfiles.pdf

Massachusetts Dept. of Transportation: https://www.mass.gov/how-to/the-massachusetts-continuously-operating-reference-station-network-macors

Michigan Dept. of Transportation: https://www.michigan.gov/mdot/0,4616,7-151-9636_77925—F,00.html

Minnesota Dept. of Transportation: http://www.dot.state.mn.us/surveying/cors/index.html

Montana: Plate Boundary Observatory

Nevada GPS Network: http://nevadagps.utah.gov/ http://nevadagps.utah.gov/

New Mexico: Plate Boundary Observatory

New York Dept. of Transportation: https://cors.dot.ny.gov/SBC

North Carolina Geodetic Survey: https://ncgs.state.nc.us/pages/CORS-and-GNSS.htm

Ohio Dept. of Transportation: https://odot.formstack.com/forms/odot_cors_vrs_login

Oregon Department of Transportation: https://www.oregon.gov/odot/orgn/documents/getting_started_with_the_orgn.pdf

Plate Boundary Observatory

South Carolina Geodetic Survey: http://www.rfa.sc.gov/geodetic/rtnstatus

Tennessee Dept. of Transportation: https://www.tn.gov/tdot/roadway-design/survey-standards/gnss-reference-network.html

Texas Dept. of Transportation

Utah Automated Geographic Reference Center: https://gis.utah.gov/data/cadastre/turn-gps/

Vermont Agency of Transportation: https://vtrans.vermont.gov/highway/geodetic

Washington State Reference Network: http://www.wsrn.org/

West Virginia Dept. of Transportation: http://www.cors.us/

Wisconsin Dept. of Transportation: https://wiscorsweb.dot.wi.gov/trimblepivotweb/

Wyoming: Plate Boundary Observatory