Task 6 Final Report
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NEW YORK METROPOLITAN TRANSPORTATION COUNCIL Hudson River Valley Greenway Link Task #6 Report Alternate Design Solutions August 16, 2010 Submitted By: With: ȱ TABLEȱOFȱCONTENTSȱ ȱ INTRODUCTIONȱȱȱȱȱȱȱȱȱȱȱȱȱȱȱȱȱ1ȱ MANHATTANȱȱȱȱȱȱȱȱȱ ȱȱȱȱȱȱȱ5ȱ BROADWAYȱBRIDGEȱAPPROACHȱCORRIDORȱ(BBAC)ȱ ȱȱȱȱ ȱȱȱȱȱȱȱȱȱ5ȱ HENRYȱHUDSONȱBRIDGEȱAPPROACHȱCORRIDORȱ(HHBAC)ȱ ȱȱȱȱȱ17ȱ BRONXȱȱȱȱȱȱȱȱȱȱȱȱȱȱȱȱ24ȱ BROADWAYȱCORRIDORȱ(BC)ȱȱȱȱȱȱȱȱȱȱȱȱ24ȱ SERVICEȱROADȱCORRIDORȱ(SRC)ȱȱȱȱȱȱ ȱȱȱȱȱȱ35ȱ PALISADEȱCORRIDORȱ(PC)ȱȱȱȱȱȱȱȱȱȱȱȱȱ45ȱ YONKERSȱȱȱȱȱȱȱȱȱȱ ȱȱȱȱȱ63ȱ RIVERDALEȱCORRIDORȱ(YȬRC)ȱ ȱȱȱȱȱȱȱȱȱȱȱ63ȱ HAWTHORNEȱCORRIDORȱ(YȬHC)ȱȱȱȱȱȱȱȱȱȱȱ69ȱ BUENAȱVISTAȱCORRIDORȱ(YȬBVC)ȱȱȱȱȱȱȱȱȱȱȱ75ȱ NORTHȱYONKERSȱCORRIDORȱ(YȬNYC)ȱȱȱȱȱȱȱȱȱȱ84ȱ WATERFRONTȱ(WC)ȱȱȱȱȱȱȱȱȱȱȱȱȱ100ȱȱ ȱ APPENDIX:ȱENVIRONMENTALȱSCREENINGȱȱ HudsonȱRiverȱValleyȱGreenwayȱLinkȱȱ Taskȱ6:ȱAlternateȱDesignȱSolutionsȱ INTRODUCTIONȱ Theȱ purposeȱ ofȱ theȱ designȱ solutionsȱ proposedȱ asȱ partȱ ofȱ Taskȱ 6ȱ isȱ toȱ determineȱ theȱ feasibilityȱofȱprovidingȱgreenwayȱfacilitiesȱalongȱtheȱcorridorsȱunderȱconsideration.ȱȱAȱ determinationȱisȱmadeȱatȱthisȱlevelȱofȱtheȱtypeȱofȱgreenwayȱfacilityȱthatȱcanȱphysicallyȱ fitȱalongȱaȱparticularȱrightȬofȬway.ȱȱCrossȱsectionsȱareȱdevelopedȱinȱorderȱtoȱillustrateȱ theȱ existingȱ widthȱ andȱ configurationȱ ofȱ theȱ rightȬofȬway,ȱ andȱ toȱ illustrateȱ aȱ possibleȱ designȱtoȱaccommodateȱaȱgreenwayȱfacility.ȱȱOtherȱdesignȱoptionsȱmayȱbeȱmentionedȱ forȱ aȱ givenȱ corridor,ȱ andȱ willȱ beȱ elaboratedȱ uponȱ ifȱ theȱ corridorȱ isȱ selectedȱ asȱ theȱ preferredȱ alternative.ȱȱTheȱ otherȱ purposeȱ ofȱ thisȱ taskȱ isȱ toȱ fleshȱ outȱ theȱ opportunitiesȱ andȱconstraintsȱassociatedȱwithȱeachȱcorridor.ȱȱThisȱinformationȱwillȱbeȱusedȱtoȱrankȱtheȱ corridorsȱ inȱ Taskȱ 7ȱ andȱ selectȱ aȱ preferredȱ alternative.ȱȱȱDetailedȱ designȱ willȱ beȱ developedȱinȱTaskȱ8ȱforȱtheȱpreferredȱalternative.ȱȱȱȱ Theȱ descriptionȱ ofȱ eachȱ ofȱ theȱ corridorsȱ underȱ considerationȱ includesȱ theȱ corridor’sȱ existingȱconditions,ȱalongȱwithȱtheȱopportunitiesȱandȱconstraintsȱassociatedȱwithȱitȱasȱaȱ greenwayȱ candidate.ȱȱAlsoȱ includedȱ isȱ anȱ illustrationȱ ofȱ possibleȱ designȱ solutionsȱ asȱ crossȱsectionsȱforȱeachȱcorridor.ȱȱCostȱestimatesȱareȱalsoȱincludedȱinȱorderȱtoȱprovideȱanȱ orderȬofȬmagnitudeȱ estimateȱ ofȱ theȱ costȱ toȱ constructȱ aȱ givenȱ alternative.ȱȱTheȱ costȱ estimatesȱareȱintendedȱforȱcomparisonȱpurposesȱonlyȱandȱareȱnotȱintendedȱtoȱdetermineȱ constructionȱbudgets.ȱȱȱ Dyckmanȱ Streetȱ hasȱ beenȱ identifiedȱ asȱ theȱ southernȱ boundaryȱ ofȱ theȱ HRVGLȱ studyȱ area.ȱȱTheȱexistingȱHudsonȱRiverȱGreenway,ȱrunningȱalongȱtheȱwestȱsideȱofȱManhattanȱ usingȱportionsȱofȱtheȱHenryȱHudsonȱParkwayȱrightȬofȬway,ȱcurrentlyȱendsȱatȱDyckmanȱ andȱ Staffȱ Streets.ȱȱFutureȱ plansȱ willȱ bringȱ theȱ Hudsonȱ Riverȱ Greenwayȱ toȱ Dyckmanȱ StreetȱalongȱaȱwaterfrontȱpathȱonȱtheȱAmtrakȱrightȬofȬway,ȱandȱanotherȱrouteȱwillȱcarryȱ itȱonȱaȱrampedȱseriesȱofȱswitchbacksȱbetweenȱtheȱnorthboundȱandȱsouthboundȱHenryȱ Hudsonȱ Parkwayȱ throughȱ anȱ abandonedȱ railroadȱ buildingȱ toȱ Dyckmanȱ Street.ȱȱTheȱ HRVGLȱ projectȱ picksȱ upȱ theȱ greenwayȱ atȱ Dyckmanȱ Streetȱ andȱ identifiesȱ aȱ preferredȱ routeȱtoȱcarryȱtheȱgreenwayȱintoȱandȱthroughȱtheȱBronxȱandȱintoȱYonkers.ȱ TheȱOldȱCrotonȱAqueductȱ(OCA)ȱTrailȱinȱYonkersȱhasȱbeenȱidentifiedȱasȱtheȱnorthernȱ boundaryȱofȱtheȱHRVGLȱstudyȱarea.ȱȱTheȱOCAȱisȱcurrentlyȱpartȱofȱtheȱHudsonȱRiverȱ ValleyȱGreenway,ȱbringingȱtheȱgreenwayȱsouthȱfromȱtheȱNewȱCrotonȱReservoir.ȱȱTheȱ OCAȱentersȱYonkersȱjustȱeastȱofȱWarburtonȱAvenueȱandȱcontinuesȱsouthȱuntilȱitȱturnsȱ 1 HudsonȱRiverȱValleyȱGreenwayȱLinkȱȱ Taskȱ6:ȱAlternateȱDesignȱSolutionsȱ eastȱatȱapproximatelyȱAshburtonȱAvenue.ȱȱItȱturnsȱsouthȱagainȱjustȱeastȱofȱtheȱSawȱMillȱ ParkwayȱandȱentersȱtheȱBronxȱthroughȱVanȱCortlandtȱPark.ȱȱTheȱHRVGLȱprojectȱwillȱ identifyȱ theȱ preferredȱ routeȱ toȱ createȱ aȱ connectionȱ toȱ theȱ OCAȱ inȱ Yonkersȱ northȱ ofȱ AshburtonȱAvenue.ȱ Discussionȱofȱeachȱcorridorȱfollowsȱtheȱoutlineȱbelow:ȱȱ x ExitingȱConditionsȱ o TrafficȱVolumesȱ o ParkingȱRegulationsȱ o SurroundingȱLandȱUseȱ x Opportunitiesȱ x Constraintsȱ x DesignȱSolutionsȱ x ConstructionȱImpactsȱ x ConstructionȱCostȱEstimateȱ Theȱinlandȱcorridorsȱbeingȱdiscussedȱareȱgroupedȱbyȱtheȱboroughȱorȱcityȱinȱwhichȱtheyȱ areȱlocatedȱ(Manhattan,ȱBronx,ȱYonkers).ȱȱHowever,ȱbecauseȱofȱtheȱuniqueȱnatureȱofȱtheȱ waterfrontȱ corridorȱ andȱ itsȱ jurisdictions,ȱ itȱ willȱ beȱ describedȱ separatelyȱ andȱ inȱ itsȱ entirety.ȱȱInȱaddition,ȱtheȱExistingȱConditionsȱdiscussionȱforȱtheȱwaterfrontȱcorridorȱwillȱ containȱaȱdescriptionȱofȱtheȱphysicalȱcharacteristicsȱofȱtheȱshoreline,ȱownershipȱofȱtheȱ shorelineȱandȱitsȱadjacentȱproperty,ȱandȱexistingȱlandȱuse.ȱȱFiguresȱ1ȱandȱ2ȱillustrateȱtheȱ locationȱofȱeachȱofȱtheȱcorridors.ȱ Followingȱ theȱ discussionȱ ofȱ designȱ solutionsȱ isȱ aȱ chapterȱ thatȱ providesȱ anȱ environmentalȱscreeningȱofȱtheȱprojectȱarea.ȱȱItȱidentifiesȱandȱsummarizesȱtheȱexistingȱ environmentalȱ conditionsȱ andȱ sensitivitiesȱ inȱ theȱ studyȱ area,ȱ outlinesȱ regulatoryȱ requirementsȱ relevantȱ toȱ theȱ developmentȱ ofȱ theȱ corridorsȱ underȱ consideration,ȱ andȱ presentsȱtheȱfindingsȱbyȱcorridor.ȱȱInȱaddition,ȱthisȱsectionȱalsoȱprovidesȱdemographicȱ informationȱ aboutȱ theȱ studyȱ areaȱ including,ȱ populationȱ density,ȱ incomeȱ andȱ povertyȱ 2 HudsonȱRiverȱValleyȱGreenwayȱLinkȱȱ Taskȱ6:ȱAlternateȱDesignȱSolutionsȱ levels.ȱȱItȱ alsoȱ includesȱ informationȱ describingȱ landȱ useȱ andȱ zoning,ȱ parksȱ andȱ openȱȱ space,ȱandȱcommunityȱfacilities.ȱ 3 HudsonȱRiverȱValleyȱGreenwayȱLinkȱȱ Taskȱ6:ȱAlternateȱDesignȱSolutionsȱ ȱ 4 HudsonȱRiverȱValleyȱGreenwayȱLinkȱȱ Taskȱ6:ȱAlternateȱDesignȱSolutionsȱ MANHATTANȱ BROADWAYȱBRIDGEȱAPPROACHȱCORRIDORȱȱ DyckmanȱStreetȱ/ȱSeamanȱAvenueȱ/ȱ218thȱStreetȱ/ȱBroadwayȱ ExistingȱConditionsȱ ȱWhileȱ overallȱ roadwayȱ widthsȱ differ,ȱ Dyckmanȱ Streetȱ andȱ Seamanȱ Avenueȱ areȱ bothȱ configuredȱwithȱoneȱlaneȱofȱtrafficȱinȱeachȱdirection,ȱClassȱ2ȱstripedȱbicycleȱlanesȱandȱ onȬstreetȱ parkingȱ onȱ bothȱ sides.ȱȱHowever,ȱ forȱ aȱ shortȱ stretchȱ ofȱ Seamanȱ Avenueȱ betweenȱIshamȱandȱ214thȱStreets,ȱnoȱbikeȱlaneȱexists.ȱȱ ȱȱȱȱȱȱȱȱ ȱ ȱ Existing bicycle lanes along Dyckman Street and Seaman Avenue ȱ Alongȱ218thȱStreetȱthereȱisȱaȱbicycleȱlane,ȱparkingȱonȱ bothȱsidesȱofȱtheȱstreet,ȱandȱoneȱ travelȱlaneȱinȱeachȱdirection.ȱȱȱ 5 HudsonȱRiverȱValleyȱGreenwayȱLinkȱȱ Taskȱ6:ȱAlternateȱDesignȱSolutionsȱ ȱȱ th ȱ Sidewalk along north side of 218 Street adjacent to Columbia University ȱ Broadwayȱbetweenȱ218thȱStreetȱandȱtheȱBroadwayȱBridgeȱhasȱtwoȱtravelȱlanesȱinȱeachȱ directionȱparkingȱonȱeachȱside,ȱaȱsixȱfootȱwideȱmedian,ȱandȱisȱcoveredȱbyȱtheȱelevatedȱ subway.ȱȱTheȱsidewalksȱareȱ19ȱfeetȱwideȱonȱtheȱwestȱsideȱandȱ15ȱfeetȱonȱtheȱeast.ȱȱTheȱ emergencyȱ roomȱ entranceȱ toȱ Newȱ Yorkȱ Presbyterianȱ Hospitalȱ isȱ locatedȱ onȱ theȱ westȱ sideȱofȱBroadwayȱandȱitsȱaccessȱisȱcontrolledȱbyȱitsȱownȱtrafficȱlight.ȱ ThisȱrouteȱisȱdesignatedȱasȱaȱproposedȱrouteȱonȱtheȱNewȱYorkȱCityȱCyclingȱMap.ȱ ȱ ȱ ȱ Sidewalk on west side of Broadway in Manhattan leading to the Broadway Bridge ȱ ȱ 6 HudsonȱRiverȱValleyȱGreenwayȱLinkȱȱ Taskȱ6:ȱAlternateȱDesignȱSolutionsȱ ParkingȱRegulationsȱ Parkingȱ regulationsȱ alongȱ Dyckmanȱ Street,ȱ Seamanȱ Avenueȱ andȱ 218thȱ Streetȱ consistȱ primarilyȱ ofȱ alternateȱ sideȱ ofȱ theȱ streetȱ parkingȱ regulationsȱ (temporaryȱ parkingȱ prohibitionsȱthatȱalternateȱsidesȱofȱtheȱstreetȱbyȱdayȱtoȱallowȱforȱstreetȱcleaning)ȱonȱbothȱ curbsȱoccurringȱbetweenȱtheȱhoursȱofȱ9:00ȱAMȱandȱ12:30ȱPM.ȱȱ Broadwayȱ betweenȱ 218thȱ Streetȱ andȱ theȱ Broadwayȱ Bridgeȱ consistsȱ ofȱ ‘Noȱ Parkingȱ Anytime’ȱregulationsȱonȱbothȱsidesȱofȱtheȱstreet.ȱȱ SurroundingȱLandȱUseȱ DyckmanȱStreetȱisȱprimarilyȱaȱcommercialȱstreet,ȱbutȱalsoȱrunsȱadjacentȱtoȱtheȱsouthernȱ edgeȱofȱInwoodȱHillȱPark.ȱȱThereȱareȱcurrentlyȱnoȱdesignatedȱentrancesȱtoȱInwoodȱHillȱ ParkȱfromȱDyckmanȱStreet.ȱ Seamanȱ Avenueȱ isȱ primarilyȱ aȱ residentialȱ streetȱ withȱ sixȱ storyȱ apartmentȱ buildingsȱ liningȱ theȱ blocks.ȱȱAȱ breakȱ inȱ theȱ residentialȱ buildingsȱ occursȱ atȱ Ishamȱ Parkȱ betweenȱ IshamȱStreetȱandȱ214thȱStreets.ȱ Theȱsouthȱsideȱofȱ218thȱStreetȱisȱresidentialȱsimilarȱtoȱSeamanȱAvenue,ȱwhileȱtheȱnorthȱ sideȱisȱlinedȱbyȱColumbiaȱUniversity’sȱathleticȱcomplex.ȱȱ TheȱwestȱsideȱofȱBroadwayȱisȱalsoȱlinedȱbyȱinstitutionalȱusesȱ–ȱColumbiaȱUniversityȱandȱ Newȱ Yorkȱ Presbyterianȱ Hospital.ȱȱTheȱ emergencyȱ roomȱ entranceȱ toȱ theȱ hospitalȱ isȱ locatedȱ alongȱ thisȱ block,ȱ andȱ isȱ controlledȱ byȱ itsȱ ownȱ trafficȱ light.ȱȱTheȱ eastȱ sideȱ ofȱ BroadwayȱisȱlinedȱbyȱcommercialȱusesȱandȱanȱMTAȱfacility.ȱ Opportunitiesȱ x DyckmanȱStreetȱprovidesȱdirectȱaccessȱtoȱtheȱHudsonȱRiverȱwaterfrontȱparkȱandȱ theȱDyckmanȱStreetȱMarina.ȱ x DyckmanȱStreetȱalsoȱprovidesȱanȱimportantȱconnectorȱtoȱtheȱexistingȱgreenwaysȱ thatȱcontinueȱsouthȱalongȱtheȱHarlemȱandȱHudsonȱrivers.ȱȱ x PartsȱofȱtheȱrouteȱrunȱadjacentȱtoȱInwoodȱHillȱParkȱandȱIshamȱPark.ȱȱThereȱisȱtheȱ opportunityȱ toȱ placeȱ theȱ routeȱ alongȱ parkȱ pathsȱ throughȱ Inwoodȱ Hillȱ Parkȱ betweenȱ218thȱandȱDyckmanȱStreets.ȱȱHowever,ȱsignificantȱportionsȱofȱtheȱparkȱ areȱ designatedȱ asȱ Foreverȱ Wildȱ byȱ NYCDPRȱ andȱ developmentȱ isȱ restrictedȱ inȱ 7 HudsonȱRiverȱValleyȱGreenwayȱLinkȱȱ Taskȱ6:ȱAlternateȱDesignȱSolutionsȱ areasȱ withȱ thatȱ designation.ȱȱCoordinationȱ withȱ NYCDPRȱ willȱ beȱ necessaryȱ toȱ determineȱfeasibilityȱofȱthisȱroute.ȱȱȱȱ x Thereȱmayȱbeȱanȱopportunityȱtoȱcaptureȱpropertyȱalongȱ218thȱStreet,ȱadjacentȱtoȱ ColumbiaȱUniversityȱtoȱwidenȱtheȱsidewalkȱonȱtheȱnorthȱsideȱofȱ218thȱStreetȱinȱ orderȱtoȱbeȱableȱtoȱaccommodateȱcyclistsȱasȱwellȱasȱpedestrians.ȱ