If you are wondering why the rear carriages of Sydney trains are closed ATM, it's because idiotic video shorts popularised people breaking into the unmanned drivers cab - and apparently closing the whole carriage even in rush hours is the only way to deal with this 🙄
www.abc.net.au/news/2026-09...
abc.net.au
Why passengers are being barred from rear carriages on these Sydney trains
After multiple security breaches, the back carriage has been closed off on many Tangara trains.