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Project Experience

Unmatched Tunnel and Underground Construction Experience

Together with our lead designer Hatch Mott MacDonald, Skanska/Traylor: Regional Connector Constructors JV (Regional Connector Constructors) has unparalleled experience in the design and construction of tunnels, cut-and-cover and mined underground structures, trackwork, and transit systems. Regional Connector Constructors is the most experienced design-build team, fully capable of successfully delivering the Regional Connector Transit Corridor Project to Metro and the entire Los Angeles community.

Regional Connector Constructors is comprised of the following firms:


Lead and Principal Participant
In business since 1886, Skanska has built more than 500 tunnels worldwide,
including tunneling work in major urban areas in the U.S. such as New York City
and Washington D.C. Skanska is ranked the 8th largest construction firm in 2011
by Engineering News Record (ENR).


Principal Participant
In business since 1946, Traylor is one of the most respected and sought-after
tunneling firms in this very specialized industry. Traylor has completed more than
110 tunneling projects and more than 90 miles of bored tunnels in its 55-year


Lead Designer
Hatch Mott MacDonald has a 100-year tunneling history dating back to the
firm’s involvement in the development of London’s Underground. Since that time,
the firm has been involved in the design, construction, and management of some
of the world’s largest and most complex TBM and SEM tunneling projects. Hatch
Mott MacDonald has more than 30 years of experience on LA Metro projects.