Seven Hills railway station is located on the Main Western line, serving the Sydney suburbs of Kings Langley, Lalor Park, Seven Hills and Seven Hills West. It is served by Sydney Trains T1 Western and T5 Cumberland line services.

The Main Western Railway is a major railway in New South Wales, Australia. It runs through the Blue Mountains, and Central West regions. It is 825 kilometres (513 mi) long, of which 484 kilometres (301 mi) is currently operational.