Projects

The Route 926 bridge spans the Brandywine Creek northwest of Chadds Ford, Pennsylvania. Since its construction in 1937, the crossing flooded up to nine times each year because of low approaches. As a result, drivers converged onto the nearby substandard Route 52 bridge, where traffic narrowed to gridlock, adding as...

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In one of the fastest-growing parts of the country, the Research Triangle Regional Public Transportation Authority, GoTriangle, is developing a light rail transit (LRT) system, designed to meet the area’s future transportation needs. The 17.7-mile project will provide an alternative to congested roadways, especially the U.S. 15-501 corridor between Durham...

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Amtrak’s 30-year incremental plan that started in 2010 will introduce more trains operating at higher speeds, improve infrastructure, and enhance safety for the vital component of the Northeast transportation system known as the Northeast Corridor (NEC). The NEC is the 457-mile-long main rail artery connecting Washington D.C., with Boston. It...

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The Babylon Branch of the Long Island Rail Road (LIRR) in New York is the busiest of LIRR’s 11 branches. When it was time to build a new train wash facility between the station and the tracks leading to the Babylon Train Yard, a creative approach was needed – taking...

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In downtown Reading, Pennsylvania, sits the historic building that served as the main station for the Reading Railroad Company from 1929 to 1981. The once grand terminal had stood in severe disrepair for several years: graffiti, broken windows, cracked concrete, and water damage pocked the site. In an effort to...

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A vital gateway to the town of Clarion, Pennsylvania, state Route (SR) 68 provides key access to the county’s only hospital, Clarion University, Interstate 80 (I-80), and numerous shopping and dining locations. Section 374 of the roadway, a half-mile stretch known locally as the “Clarion Curve,” was sharp, narrow, and...

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Planning to meet the needs of the fast-growing, fast-changing Dallas-Fort Worth Metroplex area, Dallas Area Rapid Transit (DART) has taken significant strides to improve mobility, including expanding light rail service from the existing last stop in Garland, Texas, to a new station in Rowlett, Texas, nearly five miles away.  The Blue...

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In response to fast-paced population growth, Denver, Colorado, is on an aggressive path to expand its mass transit system. Under the leadership of Denver’s Regional Transportation District (RTD), the construction of a Commuter Rail Maintenance Facility emerged as a critical component of a comprehensive strategy for transit expansion. To support...

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Florida’s Turnpike Enterprise introduced the SunPass electronic toll collection system in 1999, allowing customers to quickly pass through turnpike toll collection sites. In 2009, the Turnpike Enterprise launched a project to convert the Homestead Extension of Florida’s Turnpike (HEFT) to all-electronic toll collection (ETC), where customers can pay through SunPass...

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As part of a contract with the Surface Deployment and Distribution Command Transportation Engineering Agency (SDDCTEA), Gannett Fleming is responsible for assessing entry control facilities (ECF) at military installations worldwide, including Fort Hood in Texas. ECF planning is part of an effort to improve the global deployability and sustainment of...

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The George Street Bridge over Route 18 and Boyd Park, considered the centerpiece of the $215 million reconstruction of the New Jersey Route 18 project, is an innovative structure that elevated industry standards. Once completed, the bridge became one of the largest structures of its kind in North America. Designed...

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GRTC Transit System is leading the way in green design for transit authorities. It turned a contaminated 12-acre site into a modern, state-of-the-art bus operation and maintenance campus. The new environmentally friendly facility is the first transit facility in Richmond to earn the LEED® Silver certification from the U.S. Green...

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With its strategic location midway on the Garden State Parkway (GSP), the Herbertsville Bus and Truck Inspection Facility is in a prime position to fulfill its mission: inspect a high volume of vehicles and increase the safety of the traveling public on the GSP. The $10 million facility is an...

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Faced with increasing water consumption demands from a growing population, the century-old Highland Avenue Water Treatment Plant required an upgrade and expansion. Because the plant required that the expansion take place on its existing plot of land, an inventive approach to meeting the need for additional capacity was required. ...

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Located 12 miles northeast of Pittsburgh, the more than 100-year-old Jonathon Hulton Bridge provided efficient access to major regional transportation connections, including the State Route 28 and 910 interchanges and the Pennsylvania Turnpike. Since 2008, the structure’s average daily traffic (ADT) counts increased by 25 percent, resulting in today’s ADT...

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Severe and sudden dust storms threaten travelers along the 145-mile-long Interstate 10 route extending between Texas and Arizona. These storms form a solid wall of dust that can reach one-mile high and last between 30 minutes and 24 hours.  To solve the dust-storm challenge, the New Mexico Department of Transportation (NMDOT)...

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Designated as a Key Commerce Corridor by the Arizona Department of Transportation (ADOT), Interstate 10 (I-10) is a critical component to ADOT’s goal to enhance and maintain the state’s access to 29 million consumers in Southern California and Central Texas. Because this section of I-10 accommodates an Average Daily Traffic...

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The Garden State Parkway (GSP) Interchange 142 Improvement Project was a large-scale, $165 million rehabilitation and reconstruction project that solved a 30-year congestion problem for two of New Jersey’s busiest superhighways. By providing the two missing movements between the GSP and I-78, this project eliminates approximately 1,200 vehicles-per-hour from making...

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The Massachusetts Department of Transportation (MassDOT) needed a smart system to reduce traffic congestion, increase safety, and improve emergency response along the 60-mile long Interstate 91 and Interstate 291 corridor between the Connecticut and Vermont state lines. Stretching 55 miles, the I-91 Design-Build Intelligent Transportation Systems (ITS) project represents the largest...

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During the winter of 2016-17, the Devil Dog Wash section of Arizona’s Interstate 40 (I-40) west of Williams experienced pavement degradation at an alarming rate. The failure quickly reached crisis proportions, causing tire blowouts and vehicle damage on a daily basis and creating unsafe travel conditions. New potholes developed as...

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