<div dir="ltr">They increase throughput. Not linearly, but some.<div><br></div><div>If you want to see something awesome, check out <a href="http://en.wikipedia.org/wiki/Roundabout#Turbo_roundabouts">http://en.wikipedia.org/wiki/Roundabout#Turbo_roundabouts</a> which involve deciding which exit you want ahead of time and committing to a lane, which increases throughput significantly more.</div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jul 23, 2013 at 12:10 PM, Doug Hall <span dir="ltr"><<a href="mailto:doughalldev@gmail.com" target="_blank">doughalldev@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I really don't get multi-lane roundabouts. Why have an inner lane, where people can get stuck - like Chevy Chase in European Vacation?</div>
<div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jul 23, 2013 at 10:34 AM, James Taylor <span dir="ltr"><<a href="mailto:James.Taylor@eastcobbgroup.com" target="_blank">James.Taylor@eastcobbgroup.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I don't know if I agree with that. I worked for Wang Labs years ago, and the rotary next to their corporate headquarters on 128 got hammered every morning and evening.<br>
Never saw any real slow downs. It was a two lane rotary that stayed full during rush hour. Cars nose to tail in two lanes with constant motion.<br>
Scary the first time I tried it, but pretty good after that.<br>
-jt<br>
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<br>
<br>
James Taylor<br>
<a href="tel:678-697-9420" value="+16786979420" target="_blank">678-697-9420</a><br>
<a href="mailto:james.taylor@eastcobbgroup.com" target="_blank">james.taylor@eastcobbgroup.com</a><br>
<br>
<br>
<br>
>>> Derek Atkins <<a href="mailto:warlord@MIT.EDU" target="_blank">warlord@MIT.EDU</a>> 7/23/2013 11:01 AM >>><br>
<div>They work fairly well until you get<br>
more congestion. In light traffic they are much more efficient than<br>
lights or stop signs, but in heavier traffic, not so much.<br>
<br>
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<br>
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