Unlike tuen mun new town in the seventies , the future tseung kwan o , ma on shan and other strategic growth areas will be served by railways in good time . at the same time as cts - 3 , the second railway development study rds - 2 has been investigating the need for new railways , with cts - 3 providing the broad corridor demands and rds - 2 going into more detail 将军澳、马鞍山和未来策略性增长地区将会在市镇发展到适当阶段时便有铁路接驳，这情况与七十年代的屯门新市镇截然不同。在本研究进行期间，第二次铁路发展研究亦在探讨新铁路的需求，本研究会提供各铁路走廊的需求概况，而第二次铁路发展研究则会加以深入探讨。
