Roundabout Planning, Design and Implementation

After participating in this course, you will be able to:

• Have a solid understanding of where roundabouts are effective and where they may not be suitable.
• Learn about the trade-offs in intersection design and how to optimize roundabout design for safety.
• Know the required operational analysis techniques to design roundabouts with the right traffic capacity.
• Acquire essential knowledge of the geometric design principles of roundabouts.
• Understand the detailed aspects of roundabout design, including maintenance and traffic information systems.

Description
This two-day course introduces the planning and design of modern roundabouts, covering both theoretical and practical aspects. You'll explore traffic analysis, geometric design, and the operational intricacies of roundabouts. As roundabouts are known to improve traffic flow, reduce collisions, and enhance safety, understanding their design and implementation is essential for traffic and transportation professionals.

This course equips you with the knowledge to make informed decisions about where roundabouts are suitable and how to design them effectively. You'll learn about intersection design trade-offs, safety optimization, and operational analysis techniques for traffic capacity. Additionally, you'll gain a solid foundation in roundabout geometric design and delve into the detailed aspects of design, maintenance, and traffic information systems.

Day One covers planning considerations, including traffic analysis, capacity, safety, life cycle costs, pedestrian and cyclist accommodation, public outreach, and maintenance. It also explores capacity analysis methodologies like ARCADY, SIDRA, and HCM.

Day Two focuses on the geometric design of roundabouts, including grading, signage, pavement markings, illumination, and sightline requirements. 

Who Should Attend
This course is perfect for Traffic Engineers, Project Engineers, Transportation Engineers, Designers, Infrastructure Managers, Municipal Managers, Administrators, Traffic Planners, and Consulting Engineers looking to enhance their expertise in roundabout planning and design. Gain practical insights, enhance your skills, and stay ahead in your field.

This course equips you with the knowledge to bring innovative and effective roundabout solutions to your projects, ensuring safer and more efficient traffic management.

Day 1:

Roundabout Planning and Operations:

• Roundabouts vs traffic circles and rotaries
• Roundabout applications and safety
• Life cycle costing
• Public outreach
• Roundabout capacity analysis
• Traffic operations at roundabouts

Day 2:

Roundabout Design:

• Controlling vehicle speeds at roundabouts
• Accommodating pedestrians and cyclists
• Accommodating the design vehicle
• Developing basic horizontal design composition
• High-speed and multi-lane approaches
• Roundabout detailed design checks
• Pavement markings and signage
• Design principles and pitfalls
• Design examples – addressing unique conditions