Complex sentence: A sort of lifting platforms for wheelchair people situated at the accesses to the underpass of Rodalies railway station were installed in recent years, which did not work very often and had received several complaints from a local association of physically disabled people.
Split into simpler sentences: A sort of lifting platforms for wheelchair people situated at the accesses to the underpass of Rodalies railway station were installed in recent years. Those lifting platforms did not work very often and had received several complaints from a local association of physically disabled people.