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2025 ACEC-NH & NHDOT Technical Exchange Conference
Thursday April 17, 2025 11:15am - 12:15pm EDT
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.
Moderators
avatar for Jeff Santacruce, PE, PTOE

Jeff Santacruce, PE, PTOE

Transportation Practice Leader, Weston & Sampson
Jeffrey has more than 20 years of experience leading highway and traffic engineering and transportation planning projects. A certified Professional Traffic Operations Engineer®, Jeffrey brings to our firm targeted expertise in the technology and scientific principles associated with... Read More →
Speakers
WJ

Wendy Johnson, PE

Project Manager, New Hampshire Department of Transportation
Wendy Johnson, PE is a Project Manager in the Bureau of Highway Design at the NHDOT.  She has been with the Department since graduating from UNH in 1998 with a BS in Civil Engineering.  She is currently overseeing many projects including the FE Everett widening project from Exit... Read More →
avatar for Sam Newsom, PE

Sam Newsom, PE

Project Manager, New Hampshire Department of Transportation, Bureau of Turnpikes
Mr. Newsom has worked for Bureau of Turnpikes for 14 years.  He is responsible for overseeing all project development for the Bureau, engineer staff and all their facilities.  He started at the Turnpike Bureau after receiving his Bachelor of Science in Civil Engineering from Wentworth... Read More →
avatar for Smith Siromaskul

Smith Siromaskul

Principal Professional Associate, HDR
Mr. Siromaskul is a Principal Professional Associate and has over 26 years of experience in traffic engineering and roadway design, particularly of complex, innovative concepts.  With a combination of experience including microsimuation, concept development, and geometric design... Read More →
avatar for Greg Tedeschi

Greg Tedeschi

New Hampshire Department of Transportation
Greg Tedeschi, PE is a District Construction Engineer, DCE, for the Bureau of Construction at the NHDOT.  He has worked at the Department for 17 years after completing 8 years as a general manager of an engineering/inspection consulting firm.  Before his current position as DCE... Read More →
Thursday April 17, 2025 11:15am - 12:15pm EDT
Salon A/B

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