Each county board of education, the Board of School Commissioners of Baltimore City, the board of trustees for each community college, the board of regents for Morgan State University, the board of trustees for St. Mary’s College, and the board of regents of the University System of Maryland may establish appropriate speed limits for safe travel on property under their jurisdiction. Such speed limits shall be posted on appropriate signs on the property, and a person may not drive a vehicle on such property at a speed that exceeds these limits.