Future of the Gardiner Expressway - Nanos Research

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Case Study Summary MatrixName Context Type Location Age SizeGardiner Expressway – – Toronto, Ontario 432.4 km(1.5 miles)Vehiclesper day120,000Alaskan Way Viaduct Replace Seattle, WA 503.2 km(2 mile)110,000West Side HighwayReconstruction Project /WestwayReplace /RemoveNew York, NY37(at timeofcollapsein 1974)8.2 km(5 miles)140,000Bonaventure ExpresswayRemoveMontreal,Quebec421 km(0.6 miles)55,000Riverfront Parkway /21st Century WaterfrontRemoveCattanooga, TN50+ (attime ofremoval)2.7 km(1.7 mile)20,000Embarcadero FreewayRemoveSan Francisco,CA32 (attime ofcollapse)2.5 km(1.6 mile)80,000CheonggyecheonRestoration ProjectRemoveSeoul, Korea24 (attime ofremoval)6.1 km(3.75miles)120,000Sheridan Expressway Remove Bronx, NY 472 km(1.25 mile)40,00058Future of the Gardiner Expressway
Urban Design Goals Open Space Goals Transportation Goals Economic Dev. Goals– – – –• Increase pedestrian access to thewaterfront.• Preserve and enhance views of waterfrontand mountains.• No significant open space goalsbeyond enhancing waterfrontaccess.• Replace elevated structure with deepbored tunnel and six-lane at-gradeboulevard.• Provide new light rail along Viaductroute.• Public dialogue about alternativesconsidered whether future scenarioshould accommodate current trafficvolumes or encourage mode-shift.• Increase downtown and waterfrontproperty values.• Grow tourism through new waterfrontamenities.• Most waterfront land is privatelyowned,so limited opportunity for Cityto recapture $4.24 billion publicinvestment in the bored tunnel.• Enhance pedestrian connections towaterfront.• Boulevard design coordinated withplans and design guidelines forHudson River Park and ManhattanGreenway.• Demolish elevated highway andreplace with six-lane at-gradeboulevard.• Limit access in order to reducecongestion on neighborhood streets,but enhance role as collectordistributionroad.• Whereas Westway was intendedto create long-term developmentopportunities on filled land, the WestSide Highway created demand foradaptive reuse and infill.• Reclaim 4.5 acres of developmentparcels for residential and office.• Enhance value of redevelopment in CiteMultimedia and Griffintown.• Create new entrance to the city.• Develop new retail under railroad viaduct.• Provide access to Peel Basin,waterfront park network, andwaterfront amenities.• Demolish elevated expressway andexpand two at-grade boulevards.• New light rail to reduce automobiledemand.• Create new underground pedestriannetwork with connections to transitstations.• Develop 12,500 new housing units.• Develop 900,000 square meters ofcommercial, and 1 million squaremeters of cultural and recreation space.• Integrate downtown street grid with newurban boulevard, thereby creating newdevelopment parcels.• Connect downtown cultural amenities tothe waterfront.• New and reconstructed waterfrontpark, amenities, and amphitheater.• New pedestrian connectionsacross Tennessee River.• Replace grade-separated parkway withat-grade boulevard.• Reduce excess road capacity to meetexisting demand.• Create a framework for newdevelopment downtown and on theTennessee River’s north shore.• 21st Century Waterfront is estimated tohave attracted US $2 billion in privateinvestment.• Complement new urban boulevard withwaterfront esplanade, public art, and newretail and housing development.• Reconnect downtown San Francisco tothe bay.• Restoration of the historic Ferry Buildingas a regional food market.• New waterfront esplanade andpedestrian and bicycle greenway.• Replace earthquake-damaged elevatedhighway with six-lane at-grade urbanboulevard.• Advance city’s “transit first” policiesby providing new waterfront streetcarroute.• Reclaim 100 acres for new housing,office, and public space.• Encourage development of over10,000 new housing units in adjacentneighborhoods.• Advance Mayor’s commitment tomaking Seoul a model for sustainabledevelopment.• Reverse property value and populationdecline in commercial and retail districtsfacing Cheonggyecheon Expressway.• Create new open space amenityfor entire city.• Day-light historic creek and createwaterfront esplanade.• Replace four-lane elevated expresswayand ten-lane at-grade highway withtwo two-lane boulevards.• Create new bus rapid transit serviceon Cheonggyecheon route.• Reduce traffic demand throughincentives for commuters to usetransit and increasing user fees.• Strengthen Seoul’s position as a globalfinancial center.• Government reported cost at US $390million, though may have been as highas US $900 million.•• Reclaim land for housing and waterfrontopen space.• Improve access to Hunts Point Market(wholesale food distribution center).• Connect to planned Bronx Riverwatershed greenway.• The purpose of the study was toimprove truck circulation into HuntsPoint Market. A community planproposed removing the highway. Whilethe NYSDOT included this optionin their study, it was ultimately notselected.• Provide 1,200 affordable housing unitsand 700 jobs.• Enhance upland neighborhood propertyvalues by improving waterfrontconnections.SECTION VII: SUMMARY MATRIX 59
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Future of the Gardiner ExpresswayEn
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ContentsIIntroductionII Scale Compa
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Scale ComparisonsA8ern8• Zaanstad
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Scale ComparisonsGardiner Expresswa
Page 12 and 13: Scale ComparisonsEmbarcadero Freewa
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Page 17 and 18: The following describes additional
Page 19 and 20: ComparativeAnalysisSECTION IV: COMP
Page 21 and 22: Valley as it did in the 1960s. In f
Page 23 and 24: Case StudiesSECTION V: Case studies
Page 25 and 26: The Governor announced in early 200
Page 27 and 28: West Side Highway, New York, NYRepl
Page 29 and 30: totalling US $200 million of added
Page 31 and 32: The City is currently reviewing the
Page 33 and 34: Riverfront Parkway, Chattanooga, TN
Page 35 and 36: A sweeping fly-over bridge connects
Page 37 and 38: at-grade boulevard. The new bouleva
Page 39 and 40: Cheonggyecheon Expressway, Seoul, K
Page 41 and 42: Sustainability objectives guided th
Page 43 and 44: of truck traffic, its neighborhoods
Page 45 and 46: impact on the town fabric. A8 is a
Page 47 and 48: the style of the Place des Vosges a
Page 49 and 50: the same time, the Esplanade is one
Page 51 and 52: would return US $47.5 million. Alto
Page 53 and 54: ProcessThe Whitehurst Freeway was r
Page 55 and 56: “Teasers” andBoulevardsSECTION
Page 57 and 58: The High Line - New York, NY• A d
Page 59 and 60: University Avenue - Toronto, ON•
Page 61: Summary MatrixSECTION VII: SUMMARY
Page 65 and 66: Urban Design Goals Open Space Goals
Page 67 and 68: SourcesSECTION VIII: Sources 63
Page 69 and 70: Office of Congressman Brian Higgins
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