In order to enable a catch basin & storm sewer replacement, a single block section of Longwood Rd. S. between Glen Rd. and Dufferin St. (north of King St.) will be CLOSED to through traffic tomorrow from 7:30 a.m. until or before 3 p.m. HSR (Rte. 6 - Aberdeen) buses will be allowed passage through the block closure of Longwood Road between Glen Rd. and Dufferin St.