HomeMy WebLinkAboutPresentation_201401311701290459September 11, 2006Roundabout Roundabout Implementation Study Implementation Study for thefor theMilestone RotaryMilestone RotaryNantucket Planning & Economic Development CommissionPhilip Weber, P.Eng.Ourston Roundabout Engineering, Inc.
September 11, 2006Little or no lateral Little or no lateral deflection entering from deflection entering from Orange St, Sparks Ave, Orange St, Sparks Ave, or Milestone Rdor Milestone RdMotorists from Motorists from Orange St and Orange St and Milestone Rd enter Milestone Rd enter at higher speeds in at higher speeds in platoons and platoons and dominate rotarydominate rotaryPedestrian and bicycle Pedestrian and bicycle travel through rotary is travel through rotary is difficultdifficultCongestion being Congestion being experienced on singleexperienced on single--lane Sparks Ave and lane Sparks Ave and Old South Rd entries Old South Rd entries (will get worse with (will get worse with future traffic growth)future traffic growth)Numerous parking and access conflicts in the southwest corner and parking lot
September 11, 2006
September 11, 2006
September 11, 2006Orange St and Milestone Orange St and Milestone Rd entries realigned and Rd entries realigned and central island enlarged to central island enlarged to eliminate potential for eliminate potential for highhigh--speed entry crashesspeed entry crashesYIELD control and YIELD control and more deflection to more deflection to slow all motoristsslow all motoristsEntries that flare to Entries that flare to two lanes on Sparks two lanes on Sparks Ave and Old South Rd Ave and Old South Rd to increase capacity to increase capacity Consolidated access to parking lot, and cut outs in splitter islandsPedestrian crossings on all Pedestrian crossings on all four legs, and bicycle four legs, and bicycle lanes on Orange Stlanes on Orange St
September 11, 2006