The Brewarrina railway line is a closed branch railway line in far-western New South Wales, Australia. It joined the Main West Line at Byrock with the town of Brewarrina on the Darling River. It was 93.67 km long.
The residents of Brewarrina realised the benefit of a railway connection and presented a petition to the Minister for Public Works in September, 1881, for a railway to be connected to their town from Byrock. At that date, the Western Line had only reached Dubbo and its extension to Nyngan was under construction.
The Parliamentary Standing Committee on Public Works recommended on 22 June 1898 that the proposed Byrock to Brewarrina branch line should be built, subject to a levee being paid by Crown Lands Lessees in the area served by the proposed line.
For the greater part of its life, the predominant train service was a Mixed train connecting with the Through Mail at Byrock on Tuesdays, Thursdays and Saturdays and returning to Byrock on Mondays, Wednesdays and Fridays. Conditional stock trains ran as required.
In the 1960s, the Through Mail was replaced by a self-propelled diesel train and the Brewarrina Mixed train operated only twice each week.
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