 The former three's grade separation projects had just gotten underway a few months prior, while Massapequa Park was still at-grade and the latter two were being prepared for their projects.All stations that had been elevated were equipped with single high-level island platforms, except for Babylon, which had two platforms.The call for high-level platforms was due to the M1 lacking steps that the fleet they were replacing had, and to make travel times quicker by several minutes.