The line begins at Town Hall station in the City Circle, after Central station it travels underground via Sydney Airport then emerges at Wolli Creek where it runs as 4 tracks to Beverly Hills, then as two tracks to Glenfield Junction.
The line begins at Town Hall station in the City Circle. Central station then emerges at Wolli Creek where it runs as 4 tracks to Beverly Hills, then as two tracks to Glenfield Junction. It travels underground Central station via Sydney Airport.