 Ardakanian also insisted that the government plan was poorly thought out and failed to take into account the affiliated expenses for maintaining the monorail's underground and surface structures — thus creating funding forecast problems for the future.Additionally, relative to cost, critics point out that the passenger capacity of the monorail is 10 times less than the Tehran Metro.Supporters of the Tehran Monorail were commonly heard declaring that the development of the project would be significantly faster than other transport project due to its nature.