ITE 2007 presentation: Operational Analysis of Proposed Roundabouts in Gorham, Maine
- From: Yakra <ericdbryant@xxxxxxxxx>
- Date: Tue, 29 Apr 2008 20:25:01 -0700 (PDT)
http://www.ite.org/meetcon/2007AM/Session_23_Mark%20Doctor.pdf
The document notes that the Gorham Bypass "includes 3 modern
roundabouts ... First multi-lane modern roundabouts in Maine!!!"
A notable point:
The rules for design year traffic volume forecasts
Rule # 1 -- The long range forecast will not occur as assumed
Rule # 2 -- You can’t do anything about Rule # 1
Rule # 3 -- Don’t worry about rules 1 and 2 – (just don’t forget them)
The document goes on to dicusss v/c ratios and design volumes, and how
they affect design choices.
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