Upper Hutt way on Saturday, Sunday, and public holidays. A notable feature of this section of railway is the Rimutaka Tunnel, the second-longest railway tunnel in New Zealand, which replaced the Rimutaka Incline in 1955. There are six railway stations within the boundaries of the city: Silverstream, Heretaunga, Trentham, Wallaceville, Upper Hutt (the main station for the city and outer terminus of electric services), and Maymorn (a request stop on the Wairarapa Line). Upper Hutt's main railway station was originally built in 1876 but has been rebuilt twice, firstly in 1955 and more recently in 2015. The most recent rebuild, jointly funded
Rimutaka Tunnel made bigger." Transdev Wellington operates passenger services named the Wairarapa Connection between Wellington and Masterton via the tunnel five times a day each way Monday to Thursday, six on Friday, and twice a day each way on Saturday, Sunday, and public holidays. Excursion trains also go through the tunnel, such as railway enthusiast specials and trains to the Toast Martinborough festival. Steam-hauled excursions require diesel locomotives to provide motive power through the tunnel due to the danger from smoke in the tunnel's lengthy and confined conditions. From 2014 diesel locos hauling passenger trains in long tunnels were required to have