Skip to main content

Traffic roundabouts, a steep learning curve

Drivers in the UK are very familiar with the concept of traffic roundabouts at intersections, which are designed to keep traffic moving more efficiently than a traditional signal-controlled intersection. However, according to a report on the US Government Executive website, drivers in some parts of the US don’t understand them. In Oakland County, just outside Detroit, some roundabouts have seen big spikes in crashes and property damage since they were built, but the severity of those accidents has been
October 1, 2014 Read time: 2 mins
Drivers in the UK are very familiar with the concept of traffic roundabouts at intersections, which are designed to keep traffic moving more efficiently than a traditional signal-controlled intersection.  However, according to a report on the US Government Executive website, drivers in some parts of the US don’t understand them.

In Oakland County, just outside Detroit, some roundabouts have seen big spikes in crashes and property damage since they were built, but the severity of those accidents has been limited due to a roundabout’s slow-speed design.

“We still struggle to educate motorists with how to properly use a roundabout,” Craig Bryson, spokesman for the road commission for Oakland County, said. “We had hoped the learning curve would be quicker, I guess. But it is a learning curve. It takes some time.”

States have now resorted to producing educational videos to help drivers navigate reconfigures road junctions. A video produced for Oakland County is now being used in Sarasota County, Florida and the 375 Texas Department of Transportation and El Paso County, Colorado, released new roundabout educational videos.

In the event that videos don’t work, states can always use the approach adopted by the 2103 Minnesota Department of Transportation, which hosted a roundabout educational outreach effort at a shopping mall, using a large rubber mat with lane markings and signs leading up to and inside a roundabout. This allowed people to walk through the movements they would make if they were driving a car. A table model with Matchbox cars to push around was also on hand.

Roundabout confusion isn’t just a problem for some US motorists. Japan has experienced similar problems with the implementation of roundabouts as part of a pilot project. At least no one has to navigate the ‘Magic Roundabout’ in Swindon, UK, which combines two roundabouts in one - the first the conventional, clockwise variety and the second, which revolves inside the first, sending traffic anti-clockwise.

For more information on companies in this article

Related Content

  • Making the most of Michigan
    January 9, 2018
    Michigan DoT’s Kirk Steudle takes time out from the ITS World Congress in Montreal to talk to Colin Sowman. Thirty years ago, a professional engineer named Kirk Steudle joined Michigan Department of Transportation (MDoT). Today he’s the state transportation director, responsible for more than 16,000km (10,000 miles) of state highways (including 4,000 bridges), some 2,500 employees and a budget of more than $4 billion. We caught up with Steudle during the ITS World Congress in Montreal and asked how he
  • Report analyses multiple ITS projects to highlight cost and benefits
    March 16, 2015
    Every year in America cost benefit analysis is carried out on dozens of ITS installations and pilot studies and the findings, along with the lessons learned, are entered into the Department of Transportation’s (USDOT’s) web-based ITS Knowledge Resources database. This database holds more than 1,600 reports and periodically the USDOT reviews the material on file to draw conclusions from this wider body of evidence. It has just published one such review ITS Benefits, Costs, and Lessons Learned: 2014 Update Re
  • Dynamic safe driving messages raise awareness
    October 7, 2014
    In a new effort to warn drivers to focus on the road, the Missouri Department of Transportation (MoDOT) is using its more than 250 dynamic message signs on interstates and major highways to send safety messages to drivers. The state says speeding, impaired driving, not wearing seatbelts and distracted driving are some of the leading causes of the 550 deaths to date in 2014. "Messages like ‘Put Down Your Phone and Drive, It Can Wait' or ‘Leave All Tailgating at the Game' are designed to raise awareness o
  • IBTTA: industry must commit to trust and accountability
    August 23, 2018
    Without a commitment to trust and accountability, the modern road tolling industry would not have the bedrock which it requires – and which customers demand, says IBTTA’s Bill Cramer When Tim Stewart, executive director of Colorado’s E-470 Public Highway Authority, settled on ‘trust and accountability’ as the themes for his year as IBTTA president, it was a very deliberate choice. Stewart was looking for language that would help deliver the global tolling industry’s message of service excellence to cust