S.D. Codified Laws § 31-5-23
Before funds authorized by the Legislature for the construction or acquisition of district highway maintenance facilities are used, the Department of Transportation shall meet with the local governing bodies of the counties and first and second class municipalities where highway maintenance facilities will be located to discuss joint construction or conversion of highway maintenance facilities. The Department of Transportation shall notify the local governing bodies in writing of its intention to construct new highway maintenance facilities. Then, the department shall meet with the local governing bodies to determine the feasibility of constructing or converting highway maintenance facilities in the counties and municipalities where the facilities will be located. The department shall consider sharing facilities whenever the local governing bodies express interest in sharing the cost of constructing or converting the facility.
SDCL 31-5-23