TE-26 Roundabout Design
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DescriptionThis two-day course will provide information on how to determine where roundabouts may be a better and more feasible option than traditional intersections. The course will guide transportation practitioners through the various design aspects and processes for roundabouts at existing and new intersection locations, taking into consideration the needs of all road users (motorists, pedestrians, and bicyclists). It will cover designs of a variety of different types of roundabouts, depending on the type of road user anticipated--from high capacity multi-lane roundabouts to modern single-lane roundabouts to mini-roundabouts (typically used for traffic calming). Best practices as well as design pitfalls for roundabouts will also be covered. This is a hands-on training, and attendees will be engaged in various design related exercises.
- Roundabout types and uses
- geometric design
- capacity analysis
- traffic operations
- multimodal aspects
- system considerations
- accommodating the needs of pedestrians, bicyclists, emergency response vehicles and trucks
- best practices and lessons learned from prior design experiences
- fixing problem roundabouts
What You Will LearnAt the end of this course, students will understand the principles and working concepts of all major areas of roundabout, design as practiced today. Students will learn about capacity analysis, crash rate experience, right of way impacts, geometric design principles, sight distance criteria, traffic operations, system considerations, pedestrian and bicycle treatments. Workshops will be held on capacity analysis software, fixing problem roundabouts and single lane roundabouts.
Who Should AttendThis course will benefit transportation professionals (engineers and planners) in cities, counties, regional, and state agencies who are involved in the planning and design of roundabouts or who are considering installing roundabouts within their jurisdictions. This course is targeted to individuals with some background in the design of intersections, although such background is not a pre-requisite for attending this training.
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