Most cities around the United States require that the contract be renewed after a certain period of time ( usually 2 to 5 years) to prevent things like massive

Most cities around the United States require that the contract be renewed after a certain period of time ( usually 2 to 5 years) to prevent things like massive contracts like this from occurring because of gigantic break up clauses that will eventually cost the city and to also promote competition so that the city knows that they're getting the best price.