This service, available seven days a week, from 6 a.m. to midnight (and 2 a.m. on Friday and Saturday in Paris) has to be reserved at least 48 hours in advance for ad hoc requests. This can be done by phone, letter or email with the office responsible for the département concerned (see list below).
To benefit from this service, you must sign up with your local PAM office. Conditions for access are detailed on the websites of each network. Once your request is accepted, you can reserve your trips.