Tunnels

Improving motorway access and connections to Western Sydney is critical to support the city’s long-term economic and population growth. 

First road tunnel construction across the Bosphorus linking Europe and Asia: innovation and international collaboration to solve technical challenges.

We helped transformed the key interchange station in Hong Kong’s MTR network to accommodate its expansion plan and enhance the city’s connectivity.

 WSP is contributing in the design of Line 7 of the Santiago Metro, both in its engineering and its socio-environmental planning, contributing the company's international experience in these types of initiatives.

The Américo Vespucio Oriente (AVO) project is an ambitious initiative in the Santiago Metropolitan Region. Its two key objectives are to improve road infrastructure in the eastern part of the city, addressing the mobility and connectivity needs in one of the busiest areas, and to transform Américo Vespucio Park into an iconic symbol for eastern Santiago, creating a public space that enriches the urban experience for citizens.

The 1.3 km Sentosa Gateway Tunnel is a two-lane, one-way road tunnel connecting outbound traffic from Sentosa Island directly to major roads to alleviate congestion.

During a storm event, the First Street Tunnel will store up to 30.3 million liters of combined sewer overflow in its 853 meters of tunnel and 4 shafts, preventing flooding in Bloomingdale and Le Droit Park.

The Norra Station/Over Decking project involves extending the Norra Länken to create Hagastaden, a new district uniting the cities of Stockholm and Solna.

Delivering a sustainable and viable mass transit system to India’s Delhi residents, with the addition of new metro lines and stations

Two major bridges, 13 overpass bridges, 17 highway bridges, 11 interchanges, 90-meter-long tunnel, 14-lane toll plaza, and 42-km of new four-lane highway.