List of railway lines approved by the Queensland Parliament but never constructed
This is a list of the known railway proposals in Queensland, Australia, either formally approved by the Queensland Parliament or otherwise recorded in some formal way, that were never built. Approved by Parliament. Laura - 48 km towards Maytown, approved 1888 Croydon - 85 km towards Georgetown, approved 1895, being the amount of rail in storage at Croydon following the diversion of the line from Cloncurry. The rail was later used to construct part of the Mt Isa line to Cloncurry. Gladstone - Callide Coalfields, approved 1900. A different line to  Callide Coalfields was built in 1952 via the Callide Valley line, and connected to Gladstone in 1968 when the Moura Short Line was opened. Miriam Vale – Glassford copper mine, approved 1900 Great Western Railway and connecting lines, approved 1910 Via Recta (Mt Edwards – Maryvale), proposed to provide a direct Brisbane – Warwick line, approved 1914 Burketown – Lawn Hill silver mine, approved 1914 Wandoan – Taroom, approved 1914 Extension of the South Western line from Dirranbandi to Boomi (New South Wales), approved 1914. Extension of the Brisbane Valley railway line from Yarraman to Nanango, approved 1914 Texas – Silver Spur mine, approved 1914 Glenmorgan  – Surat, approved 1914 Lawgi – Monto, approved 1920 Brooloo – Kenilworth, approved 1920 Dobbyn – 80 km towards Burketown, approved 1920 Peeramon – Boonjie, approved 1920 Croydon – Georgetown, approved 1929. Other proposals. Cooyar – Tarong, mentioned in the parliamentary approval debate concerning the Tarong line Rosewood – Rosevale, shown on a 1925 map as ‘Approved of by Parliament’ Gatton – Mount Sylvia, shown on a 1925 map as ‘Approved of by Parliament’