CavemanCharlie wrote:
I heard that the man driving had a hart attack
Show me an intersection design that works well when the driver is going thru a heart attack. :S
Reality is roundabouts used in appropriate places are great. Even if you are unfamiliar because of the low speeds, they tend to have fewer crashes and the crashes you do get tend to be minor fender benders.
People get nervous because they are different. Reality is they are very simple to drive:
- Single Lane Roundabouts: Look to your left on approaching. If you have a gap, go. Otherwise wait for a gap. Once in, proceed until you reach your exit.
- Multi Lane Roundabout: Approach in the same lane as if it was a normal intersection (ie: if you are turning left, enter in the left lane). Otherwise it's pretty much the same.
This was about 15yrs ago, the first big roundabout in Michigan and I was in the Traffic Department. We were all sure it was going to fail, so when they opened it and there was a web cam, we all gathered around to see the carnage. After about 15minutes, we were convinced it wasn't fully open as there were no backups, so we sat an intern down to count cars. A couple hours later we totaled up the numbers and it was carrying 5,000 cars per hour with no backups. I only know of 3 signalized intersections that come close to that volume of traffic and backups & delays are substantial at all 3.
This is not to say a poorly designed roundabout won't be a problem but the vast majority of complaints are people just not comfortable with something new.