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Distance Between Radial Roads
Outer Curb Outline
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angles approaching the rotary assumed design speed bridged rotary capacity channelization cross slope crown line curvature curves at intersections desirable directional island divided highways drivers effect elongated entering the rotary entering traffic entering vehicles entrances and exits existing rotaries feet grade separations hazard highway design speed indicated inner edge intersecting roads Intersections at Grade landscape development layouts left turns light control systems located markers median strip minimum weaving lengths motorists necessary operation ornamental plants outer curb path pavement pedestrian refuges pedestrian traffic Policy on Intersections radius reduced speed reduction in speed result reverse curve roadway width rotary 1-way road Rotary design speed rotary intersections rotary movement rotary road rotary roadway rotary traffic shown in figure sight distance speed of rotary speed reduction split central island stop-and-go control superelevation tangent traffic density classifications traffic lanes triangular island Turbine-Type Rotaries urban areas vehicles entering volume of traffic weaving distance width of rotary