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ELIiV1INATED INTERCHANGE CONCEPTS <br />_ ~~,,(j ll,z, <br />S~L`G{~~!C' ~~~6'GL'Lf Ll;1iE~~'!'7!~P.'~'G'yJ°ea~ t~a.'~lLfl~ U~~L~,'1ti~?{/4i a O,i~~f~~ <br /> <br /> <br />' ~ <br />`~" i C3 <br />~= - <br />•;a~ <br /> <br />.;~ <br />.~~ <br />~r,~ <br />RICE STREET <br />INTERCHA <br />~~Fl~'SLET <br />Jul i\'' L[~ <br />What's been completed so far? <br />1V11_n/DOT initiated a brainstorming and <br />internal screening effort to determine the <br />range of feasible interchange concepts that <br />would be reviewed by the project management <br />team. The Mn/DOT process resulted in five <br />unique concepts. The consultant also developed <br />additional concepts, and one of them was <br />included in the initial screening process, for a <br />total of six interchange concepts. <br />~or each of the six interchange concepts, <br />traffic analysis was conducted using year <br />2033 traffic forecasts to assess traffic <br />capacity and operational characteristics. <br />Based on this analysis, three concepts <br />were eliminated from further consideration <br />(shown at left). The remaining three concepts <br />represent more traditional single point and <br />diamond interchange types. These appear to <br />accommodate the forecasted traffic volumes <br />and include design features that are generally <br />understood by drivers. The remaining three <br />interchange concepts (shown at right} include: <br />• Single point interchange <br />• Diamond interchange with <br />roundabouts <br />• Tight diamond interchange with <br />signalized intersections <br />.m <br />---~. <br />Project Part~iers: <br />`•5,, ~ ~® ®®® andiaAssociates,lnc. <br />SEH <br />