Tunnel Info

BASIC TUNNEL INFO

A snapshot of all the important design aspects of the tunnel.

POLLUTION

Global health experts agree that pollution from traffic exhaust poses serious health risks. Emissions include nitrous oxides and particulate matter that, when breathed into the lungs, causes respiratory diseases such as asthma and emphysema, and cancer.

IMPACTS OF 7 YEARS OF CONSTRUCTION

Balgowlah Golf course and a site near Kirkwood St, Seaforth will become construction sites for drilling, rock crushing, provision of concrete lining for the tunnel and removal of waste materials dug from the tunnel, for the 5-7 years of construction.

IMPACTS OF TUNNELLING

The design shows the trajectory of the tunnel going underground from Burnt Bridge Creek Deviation next to homes in Hope St, and near Kirkwood / Judith St Seaforth travelling under Wakehurst Parkway and Seaforth Bluff, as shallow as 10-15 metres below ground near portals. As a result, hundreds of residents will be subjected to “construction vibration levels above the human comfort criteria”, and potential for property damage.

IMPACTS ON THE ENVIRONMENT

The construction sites at Balgowlah Golf course, Seaforth and along Wakehurst Parkway will involve the removal of valuable green space and approximately 2500 established trees. Numerous threatened species including Eastern Pygmy-possums and Grey-headed Flying-foxes will either be displaced or forced to suffer construction noise and contaminated water run-off. Immersed tunnel tubes in Middle Harbour will threaten seagrass beds and marine species with contaminated sediment.

LOCAL TRAFFIC AND RAT-RUNS

Changes to traffic patterns as a result of the Beaches Link tunnel are projected to significantly increase delays on local roads and intersections including Condamine St at Manly Vale / Balgowlah, Sydney Rd and Warringah Rd / Wakehurst Parkway, despite recent road upgrades. These delays will encourage rat-runs on smaller local streets, increasing travel times and making local streets more dangerous.

NSW GOVERNMENT PLANNING AND CONSULTATION

The community has been attempting to work with the NSW government and planners on the project since it was announced in 2017. We have provided extensive feedback, urged consideration of public transport options, and developed alternate plans designed by experts, but the community’s concerns have been ignored.

DEVELOPMENT ON THE NORTHERN BEACHES

There are several areas on the Northern Beaches that have been targeted for development by both the NSW government and Northern Beaches Council – Frenchs Forest, Manly Vale, Brookvale, Dee Why, Narrabeen and Mona Vale. The total of this development means approximately 20% greater population on the Northern Beaches in the next 10-15 years – all justified by the Beaches Link tunnel.