11. Waiting line theory can be used to analyze the delays at the toll booths of bridges and tunnels.
12. Waiting line theory can be used to improve the customers service at restaurants,cafeteria ,gasoline service station , airline counters,hospitals etc,
13. Waiting line theory can be used to determine the proper determine the proper number docks to be constructed in the building of terminal facilities for trucks &ships.
14. Several manufacturing firms have attacked the problems of machine break down &repairs by utilizing this theory . Waiting line theory can be used to determine the number of personnal to be employed so that thee cost of the production loss from down time & the cost f repairman is minimized.