Sydney Gateway
The Sydney Gateway is an under-construction major road interchange between the WestConnex and the airport terminals of Sydney Airport. Construction began in early 2021 and is expected to open in December 2024. It was originally planned to open in late 2023 in conjunction with the M4–M8 Link. The Sydney Gateway will also be constructed in conjunction with the duplication of the nearby Port Botany freight rail line, which is managed by the Australian Rail Track Corporation. Upon completion, the Sydney Gateway will connect the Sydney Motorway Network with the Sydney Airport and Port Botany precincts via St Peters Interchange. The completed project is expected to provide improved road links between the airport and Port Botany and reduce congestion. Alignment The Sydney Gateway starts at the St Peters Interchange, the junction of the M8 Motorway and M4–M8 Link, all of which are being built as part of WestConnex. Viaducts will be built over Canal Road, the Port Botany freight rail line and Tempe Lands. Further southwest, the Sydney Gateway splits into two, leading to Airport Drive and Qantas Drive towards the west and east respectively. A section of Airport Drive will be closed permanently and traffic will have to use Sydney