After researching it I have found 3 callsigns, 2 issued to the state, and 1 issued to Ford County.
WQMN583 is the original site from the state used by KDOT, KHP etc.
851.8375
852.4625
852.725
852.975
853.4
853.8625
WQYZ271 is the new site issued by the state most likely the main site used due the amount of channels,dates issued, etc.
854.9625
855.2125
855.4875
855.7375
855.9875
856.2375
856.4875
857.2375
857.4875
857.9375
858.2375
858.4875
WQZS441 is issued to Ford County. Might be part of a simulcast.
858.9375
859.2625
859.7125
859.9625
I would start with WQYZ271 and listen for a control channel and go from there. Happy Scanning.