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Featured Project

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

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Projects

Signature Projects

We partner with clients to work on some of the most impressive and iconic projects across the country. Together, we deliver excellence.

Hartford Line Station Design

New Haven, Connecticut, to Springfield, Massachusetts

JTA Complete Streets Program

Jacksonville, Florida

Landslide Best Practices Handbook

Pittsburgh, Pennsylvania

Traffic Signal Asset Management System

Pennsylvania

I-10/Jefferson Street Interchange

Indio, California

Development of AASHTOWare Bridge Design and Rating™ Software

Nationwide

U.S. Army Training and Doctrine Command Headquarters

Fort Eustis, Virginia

FEMA Flood Map Modernization

Nationwide

Pyandzh River Bridge

Afghanistan to Tajikistan

National Museum of the United States Army

Fort Belvoir, Virginia

Shackleburg Road Emergency Bridge Replacement

Anderson County, South Carolina

Ivanpah Solar Electric Generating Facility

San Bernardino County, California

Downtown Redlands Redevelopment

Redlands, California

Runway 8L-26R Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

John James Audubon Bridge

Point Coupee and West Feliciana Parishes, Louisiana

Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)

Nyack and Tarrytown, New York

I-215/4500 South Bridge Replacement

Salt Lake City, Utah

Lake Hodges Dam Survey

San Diego, California

Scudder Falls Bridge Replacement

Mercer County, New Jersey and Bucks County, Pennsylvania

Indian Wells Tennis Garden

Indian Wells, California

I-43 Hillside Interchange Rehabilitation Project

Milwaukee, Wisconsin

Marshall R. Bowen Pumping Plant

Whittier, California

Taxiway and Runway 9L-27R Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

S.R. 222 Corridor Improvements

Blandon, Pennsylvania

Marine Corps Base Camp Lejeune Sustainability Services

North Carolina

Caltrans Stormwater Services

California

George Washington Bridge Replacement of ITS Devices

Fort Lee, New Jersey

Joint Operations Center

Fort Meade, Maryland

Las Vegas City Hall

Las Vegas, Nevada

Highway 169 Elk River CM/GC Project

Elk River, Minnesota

Vrooman Road Bridge

Lake County, Ohio

Ohio Dam Rehabilitations

Ohio

U.S. 49 From Florence to the Scale Area in Richland

Richland, Mississippi, and Florence, Mississippi

ARCYBER Headquarters Facility

Fort Gordon, Georgia

Daniel Hoan Bridge

Milwaukee, Wisconsin

Antelope Valley Solar Ranch 1

Lancaster, California

Hernando de Soto Bridge Inspections

Memphis, Tennessee and West Memphis, Arkansas

I-15 Northbound, 10600 South Interchange

Salt Lake County, Utah

Laguna Beach Village Entrance

Laguna Beach, California

Eastern Kentucky Bridge Flood Response

Eastern Kentucky

Vine Street Expressway

Philadelphia, Pennsylvania

West Point Clinton District Area Development Plan

West Point, New York

Chesapeake Bay Water Quality Compliance Support

Chesapeake Bay

US 33 Smart Mobility Corridor Program Management

Franklin and Union Counties, Ohio

Cuyahoga River Towpath Trail

Cleveland, Ohio

Fuel Cell and Corrosion Hangars

New Mexico

Alaska Energy Security Task Force Report

Anchorage, Alaska

Resilient NJ: Local Planning for Climate Change Toolkit

New Jersey

Cecil Airport - Hangar 935

Jacksonville, Florida

Bus Rapid Transit Traffic Signal Prioritization

Provo-Orem, Utah

Avalon Sewer System Rehabilitation and Replacement

Avalon, Catalina Island, California

U.S. 1 – S. Edisto River Bridge Replacement

Aiken County, South Carolina

NJ Route 18 Traffic Signal System Contract No. 1

Mercer and Middlesex Counties, New Jersey

Scioto River Pedestrian Bridge

Dublin, Ohio

Smart Columbus Program Management Services

Columbus, Ohio

I-10 Corridor Express Lanes

San Bernardino County, California

Bella Vista Bypass

Benton County, Arkansas

Tyndall Air Force Base AE Services

Tyndall AFB, Panama City, Florida

Apple Valley Local Roadway Safety Plan and Town-Wide School Zone Analysis

Apple Valley, California

New Jersey Climate Change Resilience Strategy

New Jersey

FEMA Community Engagement and Risk Communication Contract

Nationwide

Colville River Pipeline Crossing

Alaska

Winona Bridge

Winona, Minnesota

King Khalid Air Base

Khamis Mushayt, Saudi Arabia

Leucadia 101 Streetscape Project, Phase I

City of Encinatas, California

Peachtree Parkway Pedestrian Bridge

City of Peachtree Corners, Georgia

The District at South Bay

Carson, California

Palmer Station

Antarctica

World Market Center

Las Vegas, Nevada

Padre Dam Municipal Water District – Eastern Service Area Secondary Connection

San Diego County, California

Courtland Street Bridge Replacement

Atlanta, Georgia

CalRecycle Inland Fire Wildfire Recovery

Napa, Sonoma, Mendocino, Lake, Solano, Yuba and Yolo Counties

Dominion Boulevard

Chesapeake, Virginia

FDOT State Highway System Resilience Action Plan

Florida

Manor Expressway

Travis County, Texas

Chino Desalters

Chino, California

Naugatuck Passenger Rail Station Design and Transit Oriented Development

Naugatuck, Connecticut

VA Las Vegas Medical Center

Las Vegas, Nevada

NJDOT Pavement Collection and Analysis

Trenton, New Jersey

McMurdo Station

Antarctica

Route 28/East Ohio Street Corridor

Allegheny County, Pennsylvania

Sand Canyon Grade Separation

Irvine, California

East Liberty Transit Center

Pittsburgh, Pennsylvania

Pennsylvania Turnpike Pavement Condition Inventory

Pennsylvania

Opportunity Corridor Part 3

Cleveland, Ohio

One Lake – First Floor Renovations

Jackson, Mississippi

Rapid Replacement of a Highly Skewed Railroad Bridge over North Court Street

City of Circleville, Ohio

Somerset Lake Dam Rehabilitation

Somerset County, Pennsylvania

Westchester County Airport Runway 16/34 Rehabilitation

White Plains, New York

Hernando de Soto Bridge Emergency Repairs

West Memphis, Arkansas, to Memphis, Tennessee

Tesoro Water Facilities

Orange County, California

Customs & Border Protection Advanced Training Center Sustainability Component Plan

Harpers Ferry, West Virginia

Soka University

Aliso Viejo, California

Donlin Gold

Alaska

SEPTA – RailWorks and Market Street Elevated Reconstruction Programs

Philadelphia, Pennsylvania

Alaska Gas Pipeline

Alaska

Land Between the Lakes Replacement Bridges

Marshall and Trigg Counties, Kentucky

Annapolis ArcGIS Story-Mapping

Annapolis, Maryland

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

Monroe Regional Airport Terminal Improvements

Monroe, Louisiana

I-80 and I-215 Renewed Design-Build

Salt Lake City, Utah

Pomeroy-Mason Cable-Stayed Bridge

Pomeroy, Ohio

I-880 Northbound Safety and Operational Improvements at 23rd and 29th Avenues

Alameda, California

Indoor Data Collection For Improved Airport Operations

Hartsfield-Jackson Atlanta International Airport

Veterans Memorial Bridge

Steubenville, Ohio, to Weirton, West Virginia

Marblehead Coastal

San Clemente, California

Route 52 Causeway

Somers Point and Ocean City, New Jersey

Urban Development Area Grant Program

Virginia

O'Hare International Runway 10R-28L

Chicago, Illinois

CSX Pittsburgh Intermodal Rail Terminal

Pittsburgh, Pennsylvania

West End Bridge – Integrated, Dynamic Message Signs and Lane Control

Pittsburgh, Pennsylvania

Hwy 212 Bayou Derriseaux Structures

Cleveland County, Arkansas

PWSA Curb Box Inspection Program

Pittsburgh, Pennsylvania

Mobile LiDAR Survey – Amtrak Hudson Line

Poughkeepsie, New York

Trans-Alaska Pipeline

Prudhoe Bay to Valdez, Alaska

I-17 Wrong Way Driver Detection and Warning System Pilot

Phoenix, Arizona

Marquette Interchange Rehabilitation

Milwaukee, Wisconsin

Laguna Canyon Road (State Route 133)

Orange County, California

I-79 Missing Ramps

Pittsburgh, Pennsylvania

VTrans 2040 Scenario Analysis

Virginia

Riverside County Transportation Department Integrated Mitigation Project

Riverside County, California

AT&T West GIS Land Base Creation and Maintenance

California and Nevada

Sherman Minton Bridge Rehabilitation

New Albany, Indiana, to Louisville, Kentucky

Talega Master Planned Community

San Clemente, California

Newtown Creek Wastewater Treatment Plant

Brooklyn, New York

SEPTA Elwyn to Wawa Restoration Program

Middletown Township, Delaware County, Pennsylvania

Fort Lee Lodge

Fort Lee, Virginia

I-15 Corridor Expansion

Utah County, Utah

I-94 Maple Grove to Rogers Design-Build Project

Hennepin County, Minnesota

S.R. 172 (5600 W) Railroad Crossing

Salt Lake City, Utah

Meredith International Centre

Ontario, California

Harbor Park Amtrak Rail Station

Norfolk, Virginia

San Bernardino Community Plans Continuum

San Bernardino County, California

Gila River Restoration

Buckeye, Arizona

Pennsylvania Turnpike Commission General Consulting Engineer

Pennsylvania

Liberty Bridge Emergency Inspection

Pittsburgh, Pennsylvania

Templeton-Atascadero Pathway

Atascadero, California

Howellville Road Bridge Replacement

Tredyffrin Township, Chester County, Pennsylvania

I-280/Route 21 Interchange Improvements

Newark, New Jersey

I-5/La Novia Roundabout

San Juan Capistrano, California

CD5 Pipeline System

Alaska

Vista Village Trunk Sewer Project

Vista, California

I-80 Structures Replacement

Salt Lake County, Utah

U.S. 70 Bridge Over Gallants Channel

Beaufort, North Carolina

Consulting, Engineering and Construction Services for Saudi Arabia

Kingdom of Saudi Arabia

New River Gorge Bridge

Fayetteville, West Virginia

Corridor H

West Virginia

Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant

Pomona, California

Nellis Air Force Base (AFB) Simulation Center

Nellis AFB, Nevada

Hartsfield-Jackson Atlanta International Airport Runway Inspections

Atlanta, Georgia

Highway 70 Widening

Benton, Arkansas

Navy Gateway Inns and Suites

Naval Station Newport, Rhode Island

Natural Gas Pipeline Design

Cambria County, Pennsylvania

Cold Region Hydrologic and Hydraulic Studies

Coldfoot, Alaska

Dallas Fort Worth International Airport Asset Data Collection

Grapevine, Texas

Runway 18-36 Grade Corrections and Overlay

Magnolia Municipal Airport (AGO), Magnolia, Arkansas

Hurricane Florence Recovery at Camp Lejeune, New River, and Cherry Point

MCAS Cherry Point, MCB Camp Lejeune, and MCAS New River, North Carolina

Moorman (Bellevue) Rail Yard

Bellevue, Ohio

Three Sisters Bridges

Pittsburgh, Pennsylvania

Liberty Station

San Diego, California

Lakefront West Corridor

Cleveland, Ohio

De Roche Creek Lateral Bridge Slides

Arkadelphia, Arkansas

San Pasqual Undergrounding Project

Escondido, California

I-81 Improvement Strategy

Central Pennsylvania

Fulton Road Bridge Replacement

Cleveland, Ohio

Amtrak Hudson Line Improvement Program

Albany, New York

Sommers Bend Master Planned Community

Temecula, California

Blennerhassett Island Bridge

Parkersburg, West Virginia

I-55 Reconstruction

Jackson, Mississippi

Liberty Power Plant Natural Gas Pipeline

Bradford County, Pennsylvania

Mobile River Bridge and Bayway Project

Mobile, Alabama

CTfastrak

New Britain and Hartford, Connecticut

Development of FHWA’s Bridge Inspection Training Manual

Nationwide

Bangerter Highway Four Interchanges

Salt Lake County, Utah

Palarm Bridge Replacement

Highway 365 over Palarm Creek, Pulaski County, Arkansas

Western Wake Freeway

Raleigh, North Carolina

Allegheny County Geotechnical Engineering and Right-of-Way Services

Allegheny County, Pennsylvania

Lower Hill Development

Pittsburgh, Pennsylvania

Greenfield Bridge

Pittsburgh, Pennsylvania

Northeast Ohio Regional Airport

Jefferson, Ohio

Kaiser Permanente Central San Diego Hospital

San Diego, California

Reconstruction of Tillary Street Area

Brooklyn, New York

Runway 8R-26L Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

S.R. 0222, Section 19S Roundabout

Fleetwood, Pennsylvania

San Diego International Airport Terminal 2 Parking Plaza

San Diego, California

Armed Forces Reserve Center

Danbury, Connecticut

Aberdeen Public Health Command Lab

Aberdeen, Maryland

Abraham Lincoln Bridge

Louisville, Kentucky

Washington County Inland Flooding Vulnerability Assessment

Washington County, Florida

I-40/White Oak Crossing Interchange

Maumelle, Arkansas

Milton-Madison Bridge

Milton, Kentucky, to Madison, Indiana

Mountain View Corridor

West Valley City, Utah

Edwards Air Force Base Dormitory

Kern County, California

Penn State Autonomous Vehicle Proving Ground

Pennsylvania

La Pata Avenue Extension Off-Site Mitigation: Arroyo Trabuco Creek Restoration

Rancho Santa Margarita, California

Orange Coast College Recycling Center

Costa Mesa, California

I-5/I-405 El Toro “Y” Interchange

Orange County, California

I-35 Planning and Environmental Linkages Study

Austin, Texas

U.S. 21 Bridge Replacement Over Harbor River

Beaufort County, South Carolina

Harrisburg Transportation Center Transit-Oriented Development Master Plan

Harrisburg, Pennsylvania

Jacksonville Regional Transportation Center at LaVilla

Jacksonville, Florida

Tustin Hangar 1 Emergency Roof Stabilization

Tustin, California

Rehabilitation of Five High-Hazard Dams

Various Locations, Pennsylvania

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