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  2. Tunnels

Tunnels

WSP has one of the longest standing and extensive tunneling practices globally. In both rock and soft ground, we build transportation, water, and utility tunnels, and underground spaces.

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Man in a tunnel

What Is Critical, Yet Generally Goes Unnoticed?

Tunnels transform transportation networks by linking nations, uniting communities, and reducing travel time. Water and wastewater tunnels make modern hygiene and sanitation standards possible. Utility tunnels bring us electricity, telephone, internet, and gas pipelines, powering our lives. Underground spaces contribute to our transit networks, our energy reserves, and our scientific research. Tunnel design and construction requires a wide range of engineering skills to deliver innovative solutions.

Bringing together all required disciplines under one roof, WSP is a world leader in tunnel planning, design, rehabilitation, and construction. From pre-feasibility, through fire and risk engineering and ventilation systems, to post-maintenance, we offer in-depth expertise throughout the tunnel lifecycle.

Our hands-on experience includes all types of tunnelsā€”rock, soft ground, cut-and-cover, immersed tunnel, micro/trenchless, and the New Austrian tunneling/sequential excavation method. Our engineers have worked on a wide variety of underground construction projects around the globe, from road tunnels and subway stations, to underground nuclear waste repositories and water conveyance systems.

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Locally Dedicated with International Scale

Our global presence means you can draw on our experience across various ground conditions in big cities, seismic areas, mountains, and underwater.

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Technology-driven

Our design teams work extensively with the latest technologies, including digital modeling of ground/structure interaction, BIM and VDC.

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World-class Tunnel Solutions

We provide expertise across the entire project lifecycle, from feasibility to design, to construction management, to testing and commissioning.

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Insights

thn-Underground-Construction

November 2018 | 24 minutes

Taking Urban Development Underground

White Paper
Places , Society
THUISTSSArticle No 5Truck

July 2018 | 45 minutes

Guidance and Methods for Categorizing Road Tunnels According to Dangerous Goods Regulations (ADR)

Sweden
Technical Paper
Mobility
thn-wmata-aecs-for-insights

June 2018 | 21:00 minutes

The Future of Tunneling in Washington, D.C.

United States
Technical Paper
Mobility , Technology
thn-istss-8

June 2018 | 25 minutes

Expediting Implementation of Fixed Firefighting Systems in road tunnels

United States
Technical Paper
Mobility
thn-EscalatorStockholm (1)

June 2018 | 28 minutes

Feasibility Study: Dimensioning Passenger Loads in Underground Railway Stations

Sweden
Technical Paper
Mobility
thu_katarinaberget bus terminal stockholm

April 2018 | 30 minutes

Quantification of a Safety Target for an Underground CNG Bus Terminal in Stockholm

Sweden
Technical Paper
Mobility
thn-elizabeth-river-tunnels-aerial

March 2018 | 5:15 minutes

Elizabeth River Tunnels Named ENR Project of the Year

United States
Feature
Mobility
Thu_Overdecking Norra Lanken_Lundin

March 2018 | 30 minutes

Risk Evaluation and Risk Control in Road Overbuilding of Transport Routes for Dangerous Goods

Sweden
Technical Paper
Mobility

September 2017 | 3:30 minutes

Underwater Infrastructure Work Prepares NYC Harbor for Megaships

United States
Feature
Mobility
thn-first-street-tunnel-washington-dc-neighborhoods-flood-relief

November 2016 | 3:45

First Street Tunnel Provides D.C. Neighborhoods with Flood Relief

United States
Feature
Resilience