Authority in Transportation

St. Andrews Works on all Aspects of T-REX

During August, 2002, St. Andrews Construction Services Corp. was awarded a major ongoing contract to provide critical services to the T-REX Interstate Expansion Project.

When completed in 2006, the $1.67 billion T-REX Project helped alleviate traffic congestion and open new and easier modes of transportation in central and southwest Denver through construction of lightrail systems, highway improvements, demolition and reconstruction of antiquated bridges, access roads, and drainage improvement.


St. Andrews was awarded a three-year contract to provide critical electrical infrastructure systems for both the highway and lightrail components of T-REX at a cost of more than $5 million.

The Highway

As part of the first major contract signed by the T-REX Highway Division,St. Andrewswas selected to perform installation of arterial vehicular detection systems and closeted circuit cameras, bridge lighting, center median high mast lighting and multiple parking garages.

The Lightrail

As the final major milestone of the T-REX project the lightrail opened with the help ofSt. Andrewsperforming installation of communication cabling, overhead catenary systems, and traction powered substations across 19 miles of double-track lightrail. The T-REX lightrail project included construction of platforms, substations, and maintenance facilities.

“The T-REX Project will revolutionize transportation inDenver. We are pleased to partner withSt. Andrewsfor the highway component.Rusty Gonzalesand his team possess expertise and knowledge with the key electrical infrastructure systems that will serve as a foundation for the success of this project. During our years of association,St. Andrewshas displayed professionalism, a willingness to innovate, and a commitment to successful project completion.”

Kevin Harrington, Project Director, Mass Electric