Some city-planner a while back designed a traffic
pattern in which all intersections would be T
intersections. The idea was to reduce accidents.
Don't know if it's ever been tried.
Hal
"Oil separation is natural."
--Anon.
Halvard Johnson
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On Aug 22, 2008, at 1:19 AM, Roger Day wrote:
> The French take on roundabouts is slightly different.They give way to
> traffic coming on to the roundabout. Wow. Mind-fuck.
>
> Roger
>
> On Thu, Aug 21, 2008 at 7:06 PM, Judy Prince
> <[log in to unmask]> wrote:
>> A friend sent me the following Q/A (and URL) on roundabouts, from a
>> column
>> in the NYT:
>>
>> *Q.* The United States has very few traffic circles, or
>> roundabouts, as they
>> are known in the United Kingdom. Are there traffic flow benefits to
>> using
>> traffic circles, assuming we could somehow teach the population how
>> they
>> should be properly entered and exited? — Jeff Bean
>>
>> *A.* Given that we actually invented the traffic circle, I think
>> it's high
>> time we brought it back. But not the traffic circles of yore, but
>> the modern
>> roundabout — a totally different beast. There are absolutely
>> traffic flow —
>> and emissions — benefits to roundabouts (as well as the discussed
>> safety
>> benefits above). Research by Mandaville, et al., at Kansas State
>> University
>> has found that roundabouts can reduce average vehicle delay by 65
>> percent,
>> and other research has found signalized intersections generate
>> twice the
>> emissions as those controlled by roundabouts.
>>
>>
>> http://wheels.blogs.nytimes.com/2008/08/19/answers-from-
>> tom-vanderbilt-author-of-traffic/
>>
>
>
>
> --
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