
Presentation | 2013
Access Management Solutions with Roundabouts
- Authored by: Hillary Isebrands
- Co-authored by: Mark Johnson
- Event: 2010 National Conference on Access Management
Well-designed Modern Roundabouts enhance the achievement of Access Management principles
- Maintain Integrity of Arterials
- Balance Mobility and Access
- Improve Safety
- Reduce Congestion
- Extend the life of Infrastructure
Roundabout Operational & Safety Characteristics:
- Driveway and intersection spacing versatility
- Geometric flexibility (properly designed)
- Less queuing
- Slower & consistent speeds
- Reduces speed differentials
- Less conflicts
System Effects of Roundabouts
- Roundabouts work well in series
- Roundabouts and signals are compatible
- Roundabouts may reduce the need for expensive roadway or structure widening
- Roundabouts provide substantial flexibility for driveways and side street spacing and design