Porirua is served by electric multiple units owned by Greater Wellington Regional Council and operated on its behalf by Transdev.

Hoy wrote in 1968 that the importance of Porirua [4] In 2010–11 improvements costing over $1 million were made to the station building, platforms etc.

[6] On 10 March 2014, work, expected to take 3 months, started on improvements to the southern part of the commuter parking.

[10] The line was built by the Wellington and Manawatu Railway Company (WMR), and the section via Johnsonville through Porirua to Paremata was opened on 24 September 1885.

DM/D electric multiple units first ran to Porirua on 5 September 1949 and replaced the majority of locomotive-hauled passenger trains.