Clay County Road 18 (CSAH 18, 28th Ave N) will be closed to thru traffic, between 70th St N (CSAH 11) and MN Highway 9, starting Thursday, August 3rd, for construction. Eastbound traffic will be detoured south on 70th St N (CSAH 11) to MN Highway 10, then east to MN Highway 9. Westbound traffic will be detoured south on MN Highway 9 to MN Highway 10, then west to 70th St N (CSAH 11). Weather permitting, CSAH 18 is anticipated to be open to thru traffic on Friday, August 25th.