[3] The branch left the Marton–New Plymouth Line at Waipuku, 9 km north of Stratford.
Work started in 1906, and the first 9.6 km section was handed over to the New Zealand Railways Department by 1 April 1908.
As the readily available rock was worked out by 1937 and it was cheaper to supply ballast from riverbed plants, most of the branch closed in 1938 and the remainder, which had been unused for years, in 1951.
Between the junction and the edge of Egmont National Park, few signs of the branch remain.
Various relics of the railway and quarrying activity are visible from the track, most notably the substantial remnants of the ballast crusher.