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Transport Planning - HKU Libraries - The University of Hong Kong

Transport Planning - HKU Libraries - The University of Hong Kong

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T.P.D.M.V.1.4(i)For private access roads/driveways within the development, the criteria stipulated in theBuilding (Private Streets and Access Roads) Regulations should be followed.Table 2 - Access Roads/DrivewaysWidth for Straight SectionsDesirableWidth (m)MinimumWidth (m)Absolute Min.Width (m)Residential AreaOne-way5.54.03.0 (private carsonly)Two-way7.35.55.0 (private carsonly)Industrial Area& Area <strong>of</strong>Mixed UsageOne-wayTwo-way6.010.55.57.33.56.0GradientDesirableMaximumAbsolute MaximumStraight RampFor Private Cars1:101:71:6HelicalRampFor GoodsVehiclesFor Private CarsFor GoodsVehicles1:101:12.51:12.51:81:81:10_-VerticalClearanceHorizontalClearanceAll VehiclesAll VehiclesWidening <strong>of</strong> Access Roads / Driveways on BendsVertical clearances for structures over pavementsshould be 5.1m (min.)Horizontal clearance should be 500mm. Ifimpracticable, clearance from railings and posts forsigns should not be less than 200mm.Width <strong>of</strong> Access Roads/Driveways6m or lessMore than 6mPermitted Radius <strong>of</strong> Curve atCentre LineLess than 18m1 8m to 24m inclusiveOver 24mLess than 18m1 8m to 24m inclusiveOver 24mMin. WideningRequired/(m)1.21.00.61.00.60.3

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