Complex sentence: Since July 4,2011, the line's reserve rafts can also serve as the SNCF Esbly-Crécy rail shuttle.23,24 However, in 2011, only a single raft was needed for the shuttle.
Split into simpler sentences: Since July 4,2011, the line's reserve rafts can also serve as the SNCF Esbly-Crécy rail shuttle. Site des usagers Paris-Meaux-Crécy- "La Ligne Esbly-Crécy" However, in 2011, only a single raft was needed for the shuttle.