innovative approaches to reclaiming highways for...
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Innovative Approaches to Reclaiming Highways for
Communities
2019 ASHE National Conference
May 10, 2019John McDowell, PE, F.ASCE – Director, Transportation
Stuart Samberg, PE, PTOE – Manager, TrafficAndrew Jinks, PE – Project Engineer
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
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Tysons, Virginia
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Route 7 & Route 123
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Tysons Corner, 1936
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Tysons, Virginia
Growth began in 1960Now a major hub for business and retail activityGrowing to become a Live-Work-Play community, where citizens have ready and close-by amenities
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Tysons Comprehensive Plan
Calls for Transit Oriented DevelopmentTransforming the existing transportation system into a pedestrian and bicycle friendly environment
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Transportation OptionsComplex network of thoroughfares and local streetsWMATA Silver Line began in 2014Route 7 and Route 123 are NHS Roadways Corridors of Statewide
Significance
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Route 7 & Route 123
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Tysons, 2019
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Tysons VisionA hierarchal “grid of streets” to provide a pedestrian and bicycle friendly environment.
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Route 7 / Route 123 Interchange
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Tysons VisionTransportation Design Standards for Tysons Urban Center
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Tysons VisionFairfax County wanted the Route 7 and Route 123 intersection to be at-grade. Both Route 7 and Route 123 are classified as
“Boulevards” in the Tysons Urban Standards This is what it would look like…
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
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Tysons Vision
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Tysons VisionFairfax County and RK&K turned to alternative intersection configurations…
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Tysons Vision
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Route 7 DesignatedNHS Route
1995ExistingInterchange Built
1960’s
Traffic Analysis History
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Silver Line Rail Approval
2004
Tysons Corner Center Opens
1968
Continuous Growth
1970’s – 1990’s
FCDOT Starts CTIA
Late 2000’s
CTIAFinalized
2013
Silver LineOpens
2014
FCDOT Starts to Finalize Options
to Remove Interchange
2017
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
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Tysons CTIA
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Outcome of CTIACTIA analysis Estimate Future Densities Prioritize Roadway Network
Outcome Comprehensive Plan Route 7 / Route 123: At-
grade Grid of Streets
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Traffic Projections
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
NO
RTH
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
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Inte
rnat
iona
l Dr
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Two Quadrant OptionAcceptable traffic flowSome pedestrian/traffic interactionBetter “Grid of Streets” connectivityReduces main intersection to two phases
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Continuous Flow Intersection OptionMost efficient traffic flowAll pedestrian traffic must be vertically separatedLimits some “Grid of Streets” connectionsAllows more concurrent travel movements
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Summary
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Pedestrian and Bike FacilitySeparate pedestrians and bikes from traffic: Grade separated pedestrian/bike facility preferred; a
must for CFI alternative
Goal: Create a safe, functional, attractive facility for all users.
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Tysons Focal PointCreate a pedestrian and bike destination (plaza)Plaza to be a Focal Point in Tysons, potential amenities include: Park(s) Small retail
Coffee Shop / Restaurant
Activity centerIce rinkRock climbing wall
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Pedestrian Facility AlternativesLandscape Architect Teaming Partner:
Rhodeside and Harwell Incorporated (RHI)Current pedestrian alternatives nicknames: Octopus (Two Quad) Lizard (CFI) Amoeba (CFI)
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
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Octopus
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
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Lizard
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Amoeba
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Important Pedestrian FactorsConnecting to the Adjacent DC Metrorail Station.Provide direct connections within the plaza for pedestrians “crossing the street”.
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Next StepsStakeholder Input:
Current County Staff/Directors VDOT County Supervisors Tysons Partnership Tysons Stakeholders
Adopt Plan: 12 months
Implement Plan: 5 - 10 years
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2019 ASHE Conference
The Highway Industry Networking Organization
Innovative Approaches to Reclaiming Highways for Communities
Thank You
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