Applications of Queuing Theory Some familiar queues: Airport check-in Automated Teller Machines(ATMs) Fast food restaurants On hold on an 800 phone line Urban intersection Toll booths Aircraft in a holding pattern Calls to the police or to utility companies Level-of-service (LOS) standards Economic analyses involving trade-offs among operating costs, capital investments and losApplications of Queuing Theory • Some familiar queues: _ Airport check-in _ Automated Teller Machines (ATMs) _ Fast food restaurants _ On hold on an 800 phone line _ Urban intersection _ Toll booths _ Aircraft in a holding pattern _ Calls to the police or to utility companies • Level-of-service (LOS) standards • Economic analyses involving trade-offs among operating costs, capital investments and LOS