City of Tucson issued the following announcement on Sept. 2.
All City of Tucson offices, except for emergency services, will be closed Monday, Sept. 6, in observance of Labor Day.
All residential and commercial trash and recycling customers will have their collections delayed by one day next week. The Los Reales Landfill be open on Monday, but Household Hazardous Waste will be closed. Sun Tran, Sun Van, and the Sun Link streetcar will operate on a Sunday schedule on Monday. Sun Link will end service at 8 p.m. Sun Express and Sun Shuttle will not be in operation, with the exception of Sun Shuttle ADA Dial-a-Ride service.
Original source can be found here.