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