2025 ACEC-NH & NHDOT Technical Exchange Conference

Session 6A: FE Everett Turnpike Projects Update from Nashua to Bedford
Speakers: Wendy Johnson, NHDOT; Greg Tedeschi, NHDOT; Sam Newson, NHDOT
- This presentation will provide an update on the design and construction of several construction projects on the FE Everett Turnpike between Nashua and Bedford. The presentation will focus on design/construction work that has occurred to date, and active design/construction efforts for the Nashua-Merrimack-Bedford 13761 series of projects. A brief presentation highlighting the Bedford 16100 All Electronic Tolling (AET) conversion project will also be included.

Session 6B: The First Turbine Interchange
Speaker: Smith Siromaskul, HDR
- This presentation will discuss the development and design of the world’s first signalized turbine interchange located just outside of Daytona Beach.  Learn about the selection of this interchange concept from the perspective of different modes and stakeholders looking at traffic volumes, land use, cost, pedestrian safety, and future flexibility. Additionally, pros and cons will be compared against other innovative and traditional interchange types.  This presentation covers the basics of the system turbine interchange and its evolution into a service interchange.  This presentation will cover the basics of a signalized turbine interchange and the contexts in which one would work best.