PITTSBURGH — (WPXI) – Port Authority employees are calling off just before the agency’s COVID-19 vaccine mandate goes into effect. Over the weekend and again on Monday, dozens of routes were canceled, including those during the morning and evening rush. The Port Authority is asking riders to consider another method of transportation, but for some, it’s not that easy. The agency says 500 employees aren’t vaccinated against COVID-19 despite a mandate going into effect Tuesday. Employees who do not comply will be held off with pay until disciplinary meetings later in the week. The Port Authority says the courts ruled on their side of the COVID-19 vaccine mandate. “Human resources is telling them not to report to work,” ATU Local 85 president Ross Nicotero says. “So, we have people who want to come to work, and they’re being told to go home.” The Port Authority says they expect disruptions for the next several weeks.