HNTB Corporation

For nearly a century, HNTB Corporation has helped create infrastructure that best meets the unique demands of its environment. With client relationships spanning decades, we understand infrastructure life cycles and have the perspective to solve technical challenges with clarity and imagination. We see and help address far-reaching issues of financing, legislation, design, construction, community outreach and ongoing operations. As employee owners committed to the highest levels of performance, we enable clients to achieve their goals and visions.

HIGHWAYS - The No. 1 consultant to DOTs

In addition to providing innovative planning, design, construction and program delivery solutions, HNTB also understands the issues that affect a state department of transportation’s ability to complete complex programs and projects. We help clients do more with less by developing creative funding, management and public outreach strategies to turn projects into reality.

BRIDGES - Unsurpassed technical excellence in long-span structures

Since its founding nearly 100 years ago, HNTB has long been recognized as the industry’s leader in planning, design and construction of complex long-span and movable bridges. The firm employs advanced technology, including proprietary bridge design and analysis software and 3-D modeling and animation, to ensure each structure meets the client’s or community’s unique needs.

TRANSIT - Experts in rail and transit solutions

HNTB is the trusted adviser and provider of innovative rail and transit solutions to the nation’s largest transit authorities. Our work spans many of the most complex and innovative transit projects and encompasses every component of rail transportation systems.

HIGH-SPEED RAIL - The U.S. leader in high speed rail

HNTB is playing a critical role in the development of key corridors, including those in California, the Northeast and the Midwest, offering clients experience and technical knowledge that is unmatched in the industry.

DESIGN BUILD - Providing extraordinary value to clients

HNTB’s unique approach to design-build helps us understand what constitutes value for each client. From there, we provide services that result in the most efficient construction methods, saving time and money.

TUNNELS - Innovative tunnel solutions

HNTB has a long history in design and support services for tunnel structures, from planning through final design and construction. The firm has completed award-winning work on some of the country’s most complex tunneling projects, including experience in highways, transit, rail, aviation and water resources. Our experts have the insight and knowledge to provide innovative solutions to tunneling challenges, from small-diameter excavations to the largest machine-bored tunnel in the world.

TOLLS - Toll authorities

HNTB serves as general engineering consultant to more tolling agencies than any other firm. HNTB’s expertise is a highly valued and sought-after resource by clients, industry partners and mainstream media. With a national breadth of tolling experience and recognized industry leaders, HNTB provides specialized services for the full life cycle of a project, ranging from financial planning and analysis to operations and management.