Highways, Roads & Interchanges
Flatiron is one of the largest highway constructors in the U.S. and plays an integral role in keeping traffic moving along our nation’s freeways.
Flatiron understands the challenges that specific projects present, whether it’s working around traffic on a busy freeway or building in environmentally sensitive terrain. We have successfully completed or are in the process of constructing the following major highways and interchanges:
 | Carolina Bays Parkway - Myrtle Beach, SCThe contract to build the new Carolina Bays Parkway included design, right-of-way acquisition, utility relocation and construction of a new limited access highway. This 34-month project was completed eight months ahead of schedule. The new roadway is named SC-31 and runs northwest… |
 | Eastern Transportation Corridor - Orange County, CADelivered via the design-build method, Flatiron completed this $803 million 25.4-mile limited-access toll road below budget and over one full year ahead of schedule. The four-to-six-lane road winds through mountainous, environmentally sensitive terrain as well as urban areas… |
 | Glenwood Canyon Corridor - Garfield & Eagle Counties, COFlatiron received national recognition for the construction of a series of projects in the Glenwood Canyon corridor of I-70. All of these projects were built under conditions of stringent environmental requirements, strict traffic disruption restrictions, harsh winters,… |
 | Highway 65 Lincoln Bypass - Lincoln, CAFlatiron, with joint venture partner DeSilva Gates Construction, constructed the $137 million Route 65 Lincoln Bypass project, a two-lane highway between Sheridan and Lincoln, Calif., about 30 miles north of Sacramento. The project includes construction of 12 miles… |
 | I-15 Managed Lanes - San Diego, CAFlatiron is responsible for the construction of eight managed lanes contracts, totaling approximately $420 million, which comprised a new 20-mile section of new High Occupancy Toll (HOT) lanes stretching from State Route 163 north to State Route 78 along… |
 | I-238/I-580 and I-880 Interchange - Hayward and San Leandro, CAInterstate 238 serves as the single east-west freight connector between the San Francisco and Oakland ports and California's agricultural heartland. Flatiron is reconstructing over two miles of I-238 in Alameda County. I-238 is the portion of state Route 238 that connects two… |
 | I-5 Reconstruction at Buena Park - Buena Park, CAFlatiron is reconstructing a two-mile portion of Interstate 5 from Orangethorpe to Artesia Avenue in Buena Park, California. This project is comprised of six bridge improvements, both widening and complete reconstruction, three miles of retaining walls to accommodate the… |
.jpg) | I-880/Coleman Avenue Interchange - San Jose, CAThe I-880/Coleman Avenue Interchange project included the realignment and widening of existing ramps, adding a new direct connector ramp from Airport Boulevard to southbound I-880, replacing the Coleman Avenue overcrossing at I-880, and widening Coleman Avenue to six lanes… |
 | Knightdale Bypass - US 64 - Knightdale, NCNorth Carolina Constructors, a joint venture lead by Flatiron, constructed 9.6 miles of new six-lane freeway and 23 bridge structures near Raleigh, North Carolina. This project was a success for both Flatiron and the North Carolina Department of Transportation. It was… |
 | State Route 92 - Lehi, UtahState Route 92 is the main east-west corridor for the communities of Alpine, Highland, Cedar Hills and northeast Lehi, Utah as well as the primary access road for American Fork Canyon. This area in northern Utah County is growing at a rapid pace, and thousands of vehicles… |
 | Tampa Airport Interchanges - Tampa, FLThe SR-60/Memorial Highway project, also referred to as the Tampa Airport Interchanges project, was the first stage of a significant redevelopment of major arteries through the Tampa metropolitan area. Much of the work involved at-grade highway improvements from I-275 to the… |
 | US 183 Interchange - Austin, TXFlatiron was the consulting manager for the complex arrangement of mainline highway and exit ramp structures, which included more than 3,000 precast segments and high straddle bents over live traffic at the I-35 and US 183 Interchange in Austin, Texas. As the existing… |