The Autoritat del Transport Metropolità (Metropolitan Transport Authority or ATM) is a voluntary inter-administrative consortium set up in 1997, which all administrations can join that own collective public transport services, individually or via groups or bodies that represent them, which belong to the area comprising the county of Barcelona.

The ATM, as one of the most important responsible bodies in the planning of mobility in its territorial area, has tools, instruments, working groups and sources of information at its disposal. Within the pilot, ATM will be a workshop facilitator.