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.

Traffic Services Include:

  • ADA Design
  • Constructability Reviews
  • Corridor Studies
  • Detour Plans
  • Evaluation of Existing Conditions /CSDE Assessment
  • Horizontal and Vertical Geometry
  • Local Planning and Zoning Board Support
  • LOS Analysis for Intersections and Arterials
  • Overhead Sign Panel Design
  • Pedestrian Safety Studies
  • Risk Assessment and Management
  • Staging and Maintenance of Traffic
  • Synchro / VISSIM Modelling
  • Temporary Traffic Signal Design
  • Traffic Calming
  • Traffic Data Collection and Analysis
  • Traffic Impact Report
  • Traffic Signal Design
  • Traffic Signal Warrant Analysis
  • Traffic Signing and Striping
  • Utility Coordination and Relocations