Many employees of Bay Area Rapid Transit (BART), a rail service in the vicinity of San Francisco, CA, belong to a union called the Service Employees International Union Suppose BART is an example of a closed shop. This means that a worker is already a member of the union before being Which of the following is an example of a labor strike? People who want to work for BART must be members of the Service Employees International Union before seeking employment. BART management refused union demands, which included annual raises of between 2-4% over three years. This led BART workers to refuse to work during the following week. BART can charge consumers higher prices because there are no alternative forms of public transportation.