![File:Comparison of cross-sections of South Australian Railways vintage broad and narrow gauge passenger cars.jpg - Wikimedia Commons File:Comparison of cross-sections of South Australian Railways vintage broad and narrow gauge passenger cars.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Comparison_of_cross-sections_of_South_Australian_Railways_vintage_broad_and_narrow_gauge_passenger_cars.jpg/1280px-Comparison_of_cross-sections_of_South_Australian_Railways_vintage_broad_and_narrow_gauge_passenger_cars.jpg)
File:Comparison of cross-sections of South Australian Railways vintage broad and narrow gauge passenger cars.jpg - Wikimedia Commons
![Standardisation of Railway Gauges - Railway Map of Australia Indicating the Recommendations for Conversion to 4'. 8 1/2" (Standard) Gauge and ... 1945 - Antique Print Map Room Standardisation of Railway Gauges - Railway Map of Australia Indicating the Recommendations for Conversion to 4'. 8 1/2" (Standard) Gauge and ... 1945 - Antique Print Map Room](https://i0.wp.com/antiqueprintmaproom.com/wp-content/uploads/2021/10/MG_4751-copy-1.jpg?fit=2362%2C2099&ssl=1)
Standardisation of Railway Gauges - Railway Map of Australia Indicating the Recommendations for Conversion to 4'. 8 1/2" (Standard) Gauge and ... 1945 - Antique Print Map Room
Why doesn't Australia upgrade its existing railway lines instead of building a fast train from scratch? - Quora
![WCSA - On This Day - July 31, 2018 - The first narrow-gauge mainline railway in the world opens at Grandchester, Queensland, Australia in 1865 - WCSA.WORLD WCSA - On This Day - July 31, 2018 - The first narrow-gauge mainline railway in the world opens at Grandchester, Queensland, Australia in 1865 - WCSA.WORLD](https://wcsa.world/Userfiles/Upload/images/QR_heritage_loco_A10_no__6_on_the_Main_Line_to_Toowoomba__1990%20(1).jpg)
WCSA - On This Day - July 31, 2018 - The first narrow-gauge mainline railway in the world opens at Grandchester, Queensland, Australia in 1865 - WCSA.WORLD
![An example of the ridiculous railway gauges in Australia: Western Australia, Queensland, Tasmania and parts of An example of the ridiculous railway gauges in Australia: Western Australia, Queensland, Tasmania and parts of](https://s3.amazonaws.com/aphs.worldnomads.com/flyted/28667/CIMG1745.jpg)
An example of the ridiculous railway gauges in Australia: Western Australia, Queensland, Tasmania and parts of
![Maps showing the development of the South Australian railway network... | Download Scientific Diagram Maps showing the development of the South Australian railway network... | Download Scientific Diagram](https://www.researchgate.net/profile/Nicholas-Sheard/publication/339675771/figure/fig1/AS:865233954418690@1583299258601/Maps-showing-the-development-of-the-South-Australian-railway-network-from-1900-to-2000_Q320.jpg)
Maps showing the development of the South Australian railway network... | Download Scientific Diagram
![File:South Australian Railways narrow gauge locomotive T232 on broad gauge crocodile car.jpg - Wikimedia Commons File:South Australian Railways narrow gauge locomotive T232 on broad gauge crocodile car.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/c/ce/South_Australian_Railways_narrow_gauge_locomotive_T232_on_broad_gauge_crocodile_car.jpg)