Porirua railway station is an important intermediate station in New Zealand on the Kapiti Line from Wellington and is part of Wellington's Metlink suburban rail network operated by Transdev Wellington. The island platform urban railway station is on a double track section of the North Island Main Trunk which was opened in 1885 as a single main line on the alignment of today's Down (southbound) line. There is subway access to Porirua city centre and bus stops serving the Porirua area.