Across North America, many cities are installing roundabouts rather than the traditional signalized intersections. The reason for the sudden surge of roundabouts is their ability to improve traffic flow as well as reduce crashes and the severity of crashes in comparison to a signalized intersection.
Lauder suggests a new type of traffic sign that will help to increase flow at these types of intersections. Check out his TED Talk in today's post!'>
We are very excited to follow-up the 2011 International Roundabout Conference with a co-hosted roundabout-themed webinar with Ting Wei and Jeromy Grenard from American Structurepoint. Mr. Wei and Mr. Grenard presented a poster at last week’s conference titled, Traffic Counting at Roundabouts Using Video Technology: A Practitioner’s View, and they will be presenting their findings and talking about their best practices.
The Transport Research Laboratory form the UK will also be talking about how Miovision roundabout data can be used in their software ARCADY (Assessment of Roundabout Capacity and Delay). Make sure to visit their booth in the exhibitor section. This should be a great conference with lots of networking and information sharing opportunities!'>
The 3rd International Conference on Roundabouts is being held in Carmel, Indiana starting tomorrow and running through to Friday. The presence of roundabouts has received increasing attention, and this conference promises to be be a great forum for the exchange of technical, policy, planning and administrative information on all aspects of roundabouts.
The modern roundabout is a beautiful thing. Traffic flow is improved, they look nice and they are safer than traditional intersections. In the Insurance Institute for Highway Safety Status Report about Roundabouts, they cite research from the University of Maine that found a 39% reduction in crashes, a 76% decrease in injury-producing crashes, and a 90% decrease in collisions involving fatal or incapacitating injuries when studying a sample of 25 intersections turned into roundabouts. Other research finds that while roundabouts are safer than traditional intersections, they also have the potential to reduce traffic delay by up to 75%.
Having spent much time travelling abroad throughout the UK, France, Spain and Germany, I like to fancy myself as having seen many roundabouts in my time. The majority of all roundabouts in the world are on European roads. By comparison, there were 2,000 roundabouts in the U.S. as of 2010 versus 30,000 in France alone as of 2008 (2008 National Roundabout Conference, B. Guichet’s presentation).
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