《交叉口渠化方法》ppt课件

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1、SomeInnovativeIntersectionTreatmentsforImprovingSafetyInnovativeTreatmentsOFFSETLEFT-TURNLANESoffsetleft-turnlaneslaterallysothattheviewofaleft-turningdriverisnotblockedbyanopposingleft-turningvehiclecanbeusedeffectivelyatdivided-highwayintersectionsIntersectionwithConventionalLeft-TurnLanesView

2、ofLeft-TurningDriverBlockedbyOpposingLeft-TurnVehiclesParallelOffsetLeft-TurnLaneTaperedOffsetLeft-TurnLaneInnovativeTreatmentsMEDIANACCELERATIONLANEScanimproveleft-turnoperationatdivided-highwayintersectionsbestsuitedtodirectionalmedianopenings,butcanworkeffectivelyatconventionalmedianopeningsI

3、ntersectionwithMedianAccelerationLanesInnovativeTreatmentsINDIRECTLEFT-TURNTREATMENTSreducesconflictpointsandincreasesoperationalefficiencyforthroughtrafficgeometricalternatives:jughandleloopmediancrossoverIndirectLeft-TurnMovementviaJughandleRoadwayIndirectLeft-TurnMovementviaLoopRoadwayIndirec

4、tLeft-TurnMovementviaMedianCrossover