VSD is the engineering and strategic planning consultancy devoted to the future of transportation and sustainable communities.  

Jonathan Slason, P.E. owns and operates VSD assisting those with peer reviews, signal, road, or active mode design, and traffic operational analysis in New Zealand and USA.

Jonathan's experience has been focused on delivering traffic and transportation schemes in a wide variety of settings, from initial strategies and business plans to final design and construction review.  
Having worked with organizations, municipalities, states, and other government jurisdictions of all sizes to assess the transportation impacts of development and land use changes while encouraging economic strength, diversity, and sustainability.
Jon excels at communicating the detailed language of traffic operations and strategic operational objectives into clear and concise actions. Delivering an approach that bridges the gap between the day to day traffic operations and the high-level strategic network planners.
Primary areas of experience:
- Traffic Engineering
- Operational analysis 
- Transportation Planning
- Signal Design and Optimization
- Pedestrian and Bicycle Design and Operations
- Strategic Planning 
- Transition Engineering


Additional information