May 25, 2012 > Buses On Sunday Schedules for Memorial Holiday Buses On Sunday Schedules for Memorial Holiday Submitted By Clarence Johnson On Monday, May 28, 2012, AC Transit offices will be closed and all buses will operate on Sunday schedules in observance of the Memorial Day holiday. Regular weekday bus service will resume on Tuesday May 29th. Complete scheduling information is available online at www.actransit.org., or by telephoning 511 and saying "AC Transit."