Virginia Department of Transportation (VDOT)
VDOT is responsible for building, maintaining and operating the Commonwealth's roads, bridges and tunnels. Since Virginia's transportation system is a vital element in the state's economy, VDOT's primary objective is to provide the safe and efficient movement of people and products throughout the Old Dominion. On the Route 28 project, turnkey design and construction is being performed by the parties listed below, and VDOT will act as owner's representative for the Commonwealth of Virginia, enforcing State Highway design and construction standards.


Route 28 Corridor Improvements, LLC
Members of the project's development and construction partnership include The Clark Construction Group, Inc., headquartered in Bethesda, Maryland and the Shirley Contracting Company, LLC located Lorton, Virginia. The project team is based in Dulles, Virginia.

The Clark Construction Group, Inc.
The Clark Construction Group Inc. will act as Development Manager providing overall management of the project, including right-of-way acquisition, utility relocation activities, design and construction oversight. Clark is one of the largest privately held construction firms in the United States with annual revenues of approximately $2 billion.

Major local projects include:
  • Redskins' Stadium.
  • MCI Center.
  • Washington, DC Convention Center.
  • Baltimore Ravens Stadium.
  • Baltimore Orioles Stadium.
  • Dulles Town Center.
  • Reston Town Center.

Shirley Contracting Company, LLC
Shirley Contracting Company, LLC will be responsible for all construction activities of the project. Shirley Contracting has delivered high-quality, comprehensive construction services to the public transportation market for over thirty years.

Major local projects include:
  • Route 7 Corridor Improvements (Reston to Tysons Corner)
  • Route 7/Belmont Ridge Interchange
  • Route 659 (Belmont Ridge Road) Widening
  • Route 606 Widening
  • Gloucester Parkway Extension
  • Route 50 Widening
  • Battlefield Parkway Extension
  • Rt. 29/Linton Hall Road, Gainsville
  • Inter-County Connector Contracts C, D, E
  • Route 28/ Route 29 Interchange
  • Fairfax County Parkway/ Route 7 Interchange
  • Route 7/ Route 15 Interchange
  • Springfield Interchange - Phases II, III and IV


Dewberry Engineers, Inc.
Headquartered in Fairfax, Virginia, this nationally recognized architecture/engineering firm is providing all design services for the project. Dewberry & Davis has planned and designed many large scale projects for VDOT, including the preliminary engineering work and the Environmental Impact Study for the Route 28 improvements in the late 1980s. The firm was the engineer of record for the Phase I improvements that exist on Route 28 today, as well as the Dulles Greenway, the primary toll road alternative from Leesburg to the Dulles corridor. Also of note are many other secondary road improvement projects throughout the Route 28 corridor.

Major local projects include:
  • I-66 from Route 50 to Route 234.
  • I-66 from Route 234 to Route 29 in Gainesville.
  • I-95/ Prince William Parkway Interchange.
  • Route 288 from I-76 to Route 60 in Richmond (this included eight miles of six-lane freeway and four interchanges).
  • Route 28/ Route 625 Interchange (designed for VDOT prior to PPTA).
  • Route 1/ Route 123 Interchange.

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