used. Future The 2013 Review and Draft 2014 Review of the Wellington Regional Public Transport Plan confirmed that building additional stations on the Kapiti Line at Raumati and Lindale was no longer recommended, with the cost of new stations outweighing the benefits. The detailed analysis for Raumati (which was a "viability benchmark" for other new stations) said that the modelled peak-hour patronage needed to be about 300 new passengers to justify a new station, and that most Raumati users would have switched from Paraparaumu Station. Network extensions beyond the current Metlink rail operation limits would be by "shuttles or non-electrified services" running to Wellington. This followed a campaign to extend electrified commuter services to Otaki, following the extension of the Kapiti Line to Waikanae in 2011. Service improvements proposed in May 2017 are double-tracking the line between Trentham and Upper Hutt; a third-platform or passing loop at Porirua Station; and a "turnback" point at Plimmerton Station so that trains can continue in the opposite direction without using a turnaround point. These will ease peak-hour congestion and allow increased trains at busy times. However, they are regarded by KiwiRail as "service enhancements" rather than renewals/maintenance which KiwiRail would pay for, so the GWRC is seeking taxpayer funding towards the $30 million cost before inclusion in the 2017-18 Annual Plan as Rail Scenario 1. Immediate work required first is the replacement of some traction poles on the Hutt Line. From July 2018, the Hutt Valley and Kapiti lines will run every twenty minutes off-peak on weekdays rather than half-hourly. In 2019/20, the GWRC is to "renew" the Crofton Downs, Featherston, Silverstream, Wallaceville and Trentham (outer) railway stations. The Greater Wellington Regional Council endorsed a Wellington Rail Programme Business case for a 30-year programme for regional rail system which included increased rail services as follows, but apparently depends on further government investment., and was to go to Waka Kotahi for endorsement; according to a statement of 1 July 2022: Train frequency will be able to progressively improve as infrastructure is improved. Peak train services on the Hutt and Kāpiti lines would be increased in 2025 to four trains per hour, along with improved longer distance services to Masterton and Palmerton North by 2028. The peak service frequency is proposed to step up to six trains per hour (every 10 minutes) on the Hutt and Kāpiti lines by 2032, along with inter-peak services increasing