Section R. 247.660 - SignsRule 10.
(1) The county road commission shall place and maintain signs on all seasonal county roads to alert the public of the seasonal nature of the road.(2) Signs shall conform to provisions as set forth in the publication entitled "Michigan Manual of Uniform Traffic Control Devices," 1981 edition, which is incorporated in these rules by reference and which is available for inspection at the Lansing office of the department of transportation. This standard may be obtained free of charge by writing the Michigan Department of Transportation, Local Government Division, 425 West Ottawa Street, P. O. Box 30050, Lansing, Michigan 48909.Mich. Admin. Code R. 247.660