Wairarapa Line [7B]: Rimutaka Incline Section [1B]: Upper Hutt – Mangaroa Tunnel [2]: Mangaroa Station-Mangaroa Tunnel Click here to view this article on NZ Rail Maps Blog Wairarapa Line [7B]: Rimutaka Incline Section [1B]: Upper Hutt – Mangaroa Tunnel [2]: Mangaroa Station-Mangaroa Tunnel Like this:Like Loading...