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Next Generation Street and Traffic Control Device Design for Central Business Districts and Town Centers

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INSTRUCTOR: Peter Koonce, P.E.

Course Length: 1 Hour

Sponsored by ASCE Continuing Education and ASCE's Transportation and Development Institute.

Purpose and Background

This webinar is a follow up to the Next Generation Street Design Principles webinar and focuses on the traffic control devices necessary to implement safer street design, curbing the bias toward rural or suburban design types used in the past. It highlights the Manual of Uniform Traffic Control Devices (MUTCD) and the NACTO Bikeway Design Guide, focusing on what sorts of traffic design applications provide accessibility in addition to mobility. This webinar builds on the emphasis on the interests of having economic development and safety be part of the performance measures used by the engineering community in street design. It relies on documents like the MUTCD and the ITE Designing Urban Walkable Thoroughfares that go farther in laying out specific design elements. It discusses different types of issues to consider in designing vibrant places, elements of signal design and how they contribute to the urban fabric, how to determine where and when to apply the new treatments, and how to monitor their effectiveness. The instructor provides examples of where these treatments have been implemented.

Streets comprise more than 80% of public space in cities, but they often fail to provide their surrounding communities with a space where people can safely walk, bicycle, drive, take transit, and socialize. Cities are leading the movement to redesign and reinvest in our streets as cherished public spaces for people, as well as critical arteries for traffic. The aforementioned manuals and documents and next generation guides describe new principles and practices of the nation“s foremost engineers, planners, and designers working in cities today. Collectively, these documents present a new blueprint for designing streets and unveils the toolbox and tactics cities use to make streets safer, more livable, and more economically vibrant. This webinar discusses the increased need for creation of multimodal streets across the U.S., It also addresses specific steps needed to advance high quality design.

Primary Discussion Topics

  • Different types of streets (downtown, neighborhood, boulevard, etc)
  • Street design principles
  • Intersection design principles
  • Evaluation when implementing these facilities/treatments
  • Examples where these facilities/treatments been implemented

Learning Outcomes

  • Become familiar with applications within next generation guides
  • Understand distinct differences between NextGen and AASHTO guidance
  • Identify the traffic control devices and how they are implemented
  • Explore potential performance measures for use in evaluating transportation systems

Webinar Benefits

  • Learn about current state of the practice
  • Plan and design for more efficient transportation system
  • Understand the relationship between street design and livability

Intended Audience

  • Transportation engineers/planners
  • Transit professionals
  • Government officials

Webinar Outline

  • Overview of next generation manuals (NACTO Urban Street Design Guide, ITE“s Designing Urban Walkable Thoroughfares)
  • Description of new traffic control devices in the MUTCD and proposed in NACTO and other NextGen guide
  • Examples of implementation
  • Conclusions
  • Questions