Extending Sound Transit’s Link Light Rail Line 3.7 miles from Shoreline to the Lynnwood Transit Center required two elevated stations with vertical circulation, 2.3 miles of elevated guideway and 1.4 miles of at-grade track.
The only network tied arch bridge in the world with an S-curved deck serves pedestrians crossing over the busy eight-lane U.S. 75 and its frontage roads.
To create a $141.45-million interchange connecting I-10 to the recently opened terminal at New Orleans International Airport, scope of work included construction of two elevated flyover ramps and the state’s first diverging diamond interchange (DDI) on Loyola Drive.
A four-lane, 116-span bypass express bridge now travels around the cities of Kemah and Seabrook, Texas, while the existing 41-span bridge has been expanded and now features a bike lane.
A $148-million design-build effort has revitalized 4.5 miles of the I-80 corridor. The project features improvements to roadways, bridges and drainage systems; enhancements for cyclists and pedestrians; and utility relocations.
On the final 18-mile, four-lane stretch of I-25 between Denver and Colorado Springs, a $330-million project has added a tolled express lane in each direction, improved safety for the traveling public and added four wildlife underpasses, more than 28 miles of wildlife exclusion fence and widened shoulders.
Originally built in the 1940s, two pedestrian access bridges at the southern entrance of the iconic Red Rocks Amphitheater had reached the end of their service life.
As part of the Central Tri-State Tollway (Interstate 294) project, the Illinois Tollway reconstructed one of the most challenging crossings on its system: Interstate 294 over the intersection of 87th Street and Roberts Road at the convergence of three communities: Hickory Hills, Justice and Bridgeview.