We noticed this sign at Bayview Avenue and Rosedale Valley Road.

Rosedale Valley
Closed from Bayview Ave. to Park Rd.
April 3 to April 15, 2017
Monday to Friday 11:00 – 5:00 a.m. (presumably 11 p.m.)
Saturday and Sunday 11:00 – 7:00 a.m. (presumably 11 p.m.)