Approximately 97% of the city's spatial perimeter will be covered by this system, involving nearly 243 kilometers.

The MIO will cover approximately 72% of Cali's public transportation needs.

[1] The project was set in motion by an investment of US$405 million; with 70% contributed by the Colombian government and the remaining 30% by the municipality of Cali.

[citation needed] The regular operation of the system is roughly from 5:00am to 11:00pm on weekdays and Saturdays, and from 6:00am to 10:00pm on Sundays and holidays.

However, Metrocali did not assign letters to the trunk lines, but rather divided the entire city into different zones, giving each one a number, which are the following: The MIO has several Trunk corridors which have stop stations where users can transfer from one route to another to reach their destination.