H&H has provided traffic engineering for a variety of clients nationwide. We understand the unique needs of our clients, whether state DOTs or local municipalities, and we have decades of experience in meeting the distinct challenges of planning and designing roadway improvements.

Our traffic expertise includes all disciplines pertaining to traffic engineering for roads, highways, and bridges, including structural, electrical, mechanical, and geotechnical; and in all phases of work, from planning and inspection/investigations through design and construction phase services. We also offer services such as value engineering, constructability review, expert witness testimony, forensic analysis, and asset management to our transportation clients.