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Mark Johnson

Global Practice Director

Cutting through mountains or boring deep underground to move people and freight to their destinations faster.

While we can’t move mountains or tall buildings, we are truly the best in the world at designing the tunnels to travel through and underneath them.

Considered technological masterpieces, tunnels are essential for the safe and efficient transport of people and goods via the most direct route.

As you unearth your underground infrastructure needs, our dedicated team of tunneling and geotechnical experts can help you determine and manage potential risks and opportunities.

We are passionate about getting the design right and enhancing the journey. 

CH2M is one of the world’s leading tunnel and geotechnical engineering firms. 

We are honored to have been recognized with the 2013 Tunnel Design Firm of the Year Award and named as the International Consulting Engineer of the Year at the 2014 Ground Engineering Awards.

With a century of accumulated technical excellence, our more than 500 professionals deliver superior solutions on demanding projects worldwide by providing extensive design and construction experience in cut and cover, immersed tube, TBM-driven and mined tunnels, as well as mined caverns and shafts.

  • Transit and rail tunnels
  • Transit and rail stations/caverns
  • Highway tunnels
  • Tunnel ventilation, fire and life safety
  • MEP (mechanical, electrical and plumbing) for tunnels
  • Tunneling materials and durability
Related capabilities

Transportation

Moving people and goods, connecting communities and advancing global commerce through efficient and effective systems and facilities.

Transit and Rail

Providing essential mobility for commuters, families, students, older adults and persons with disabilities.

Roads

Functioning as a community’s arteries, providing the circulation system to move people and goods.

Aviation

Operating as a gateway for the fastest mode of commercial transport, making the world smaller and more accessible.

Environment

Protecting public health, preserving the environment, restoring natural resources and advancing the safety and security of our nations.

Conveyance and Storage

CH2M plans, designs and builds conveyance and storage systems to move and protect the world’s water. 

Clients & Projects

Engineering Design

We have unparalleled experience in the delivery of design services for design-build contractors, as well as design-bid-build projects. Our scope of capabilities encompasses geotechnical evaluations, feasibility studies and preliminary engineering, detailed engineering design, testing and commissioning.

Sharjah roads and tunnels

Sharjah Roads and Tunnels, United Arab Emirates

Sharing a more than 50-year relationship with the Government of Sharjah, we’re designing and delivering 14 miles of road including the construction of dual highway mountain tunnels to link Sharjah City to the Port of Khorfakkan.  

Tottenham Court Road Station

Tottenham Court Road Station Upgrade, London, United Kingdom 

As the multidisciplinary design consultant for one of the busiest stations on the London Underground network, we applied our tunneling expertise to complete this award-winning project.

Crossrail

Crossrail, London, United Kingdom >

As a key member of the project delivery partner team for the central tunnel section, we support Europe’s largest construction project that will link London with its eastern and western suburbs. 

Calgary Airport Trail Tunnel

Airport Trail Tunnel, Calgary, Alberta

The City of Calgary’s new tunnel directly under the airport’s runway was successfully completed with CH2M as the lead consultant, providing structural design and owner’s engineer services.

Sydney North West Rail Link

North West Rail Link, Sydney, Australia

Providing a reliable, fully-automated rapid transit rail system for Sydney’s growing North West, Australia’s largest public transport infrastructure project has our experts serving as the contractor's designer for the 9 miles of tunnels and 5 underground stations.

eglinton

Eglinton Crosstown Light Rail Transit Project, Toronto, Ontario

Stretching under the heart of Toronto, the Eglinton Crosstown tunnel, a key component of the Metrolinx program, received an independent technical design review from our tunneling team.

shatin

Shatin to Central Link, Hong Kong

Constructing a new railway line to meet growing transit needs between North-East New Territories and urban areas, our experts designed the Shatin to Central Link's 4 miles of tunnels.

evergreen line

Evergreen Line Rapid Transit Project,  Vancouver, British Columbia

Working to improve how people maneuver throughout Metro Vancouver, we provided owner’s engineer, pre-procurement and conceptual and preliminary design services for the new transit line’s twin, 1.24-mile tunnels. 

Palm Jumeriah Tunnel

The Palm Jumeirah Vehicular Tunnel, Dubai, United Arab Emirates

Connecting the spine with the crescent at Palm Jumeirah, we provided design services for the 4,600-foot-long, undersea vehicle tunnel that leads to the world’s largest man-made island.

High Speed 1

High Speed 1 (HS1), United Kingdom

The UK’s first high-speed railway was delivered with our support as a member of the Rail Link Engineering consortium, responsible for all design and project management services on this landmark rail initiative that included 30 miles of tunnels.

Docklands light railway extension

Docklands Light Railway Extension, London, United Kingdom

Providing a critical link among Woolwich town center, central London and London City Airport, the rail extension running under the River Thames received lead design support from our multidisciplinary team.

Construction Management

Partnering with clients as construction managers, we bore deep into tunneling projects to identify and solve problems; manage costs and risks; coordinate work with stakeholders; and oversee and inspect all construction activities while maintaining the all-important construction schedule.

Sound Transit University

Sound Transit University Link and Northgate Link Seattle, Washington

Extending service to the largest urban centers in the state of Washington, both the University and Northgate links are progressing with the aid of our construction management services.