A queue is the formation of waiting lines from customers that require the services of one or more servants or service facilities. Queue events are a common phenomenon when the need for service outstrips service capacity, so that arriving customers can not immediately get service and form a line formation of waiting lines. If we add service facilities then there will be additional costs, and if the service facilities are less then there will be potential customers lost.
In the Queue System, the above case can be described as a Multi Channel-Single Phase queuing system model, with the First-Served First-Served service discipline meaning first coming first served. Officers will be unemployed as well if there are no visitors queuing for gasoline charging. The magnitude of the possibility of gasoline officers unemployed if lonely from visitors.
Significant increase in the number of motor vehicles makes the base should be able to improve customer service, so the long queue does not occur when the customer makes the purchase of fuel, but the efficiency of all aspects both in terms of pumps and operators should also be improved.