Sept. 19, 2007

Balfour Beatty Infrastructure Completes Expansion and Retrofit of the Downtown Seattle Transit Tunnel on Schedule

(SEATTLE) - Balfour Beatty Infrastructure, Inc., a leading heavy civil engineering contractor, has successfully completed work on its $90 million contract to expand and retrofit the Downtown Seattle Transit Tunnel on behalf of client Sound Transit. The newly retrofitted tunnel was inaugurated September 18, 2007 during a ribbon-cutting ceremony at the Westlake Station in Downtown Seattle and will reopen on schedule to the public for bus service Monday, Sept. 24.

"This was a fantastic project and opportunity for Balfour Beatty Infrastructure on multiple levels," said Bill Ogle, Western Region vice president for Balfour Beatty Infrastructure. "Sound Transit and our project team immediately formed a dynamic and highly efficient partnership which lasted the duration of the project, resulting in the on-time completion of a very complex project. We are honored to have played a role in constructing a key portion of this high profile and state-of-the-art transportation network that will be enjoyed by thousands in Seattle."

The tunnel originally opened in 1990 and was due for upgrades to its electrical, mechanical, and safety systems. The 1.3-mile bus tunnel closed for two years in September 2005 while Balfour Beatty Infrastructure retrofitted it to handle the latest in light rail technology. Sound Transit light rail trains will join buses in the tunnel when the rail line begins operation between Downtown Seattle and the Seattle-Tacoma International Airport in 2009. Joint bus and rail operations will allow for maximum transit use of the tunnel.

As part of the Downtown Seattle Transit Tunnel project Balfour Beatty Infrastructure was also responsible for building the Pine Street Stub Tunnel, installing new station identification signage, adding new accessibility features for visually impaired passengers, and enhancing overall station appearance.

Balfour Beatty Infrastructure, Inc. delivers industry-leading civil engineering and construction expertise for transportation and water infrastructure projects throughout the United States. With more than 1,000 employees in major operations in California, the Carolinas, Florida, Georgia and Texas, Balfour Beatty Infrastructure boasts annual revenues of more than $400 million. An award-winning contractor, Balfour Beatty Infrastructure recently received the AGC of America's 2008 Marvin M. Black Excellence in Partnering Award and is recognized by Engineering News-Record as one of the "Top 20 Transportation Contractors" and "Top 50 Domestic Heavy Contractors" for 2009. Balfour Beatty Infrastructure is part of Balfour Beatty plc, a global engineering, construction, services and investment business organization specializing in large infrastructure and building programs.

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