I-66 Multimodal Study Final Report - Virginia Department of ...

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Multimodal PackagesTable 3.2 Recommended PackagesNo.Option Components of Package#1 Option B1. I-66 Bus/HOV/HOT Lane System – Option 1Option G. Bus Transit Level of Service and CapacityOption D. Integrated Corridor ManagementOption H. Transportation Demand ManagementOption I. Bicycle/Pedestrian System Enhancements#2 Option B2. I-66 Bus/HOV/HOT Lane System – Option 2Option G. Bus Transit Level of Service and CapacityOption D. Integrated Corridor ManagementOption H. Transportation Demand ManagementOption I. Bicycle/Pedestrian System Enhancements#3 Option C1. I-66 Capacity Enhancement – Option 1Option G. Bus Transit Level of Service and CapacityModification: Additional buses serving Rosslyn and D.C. Core (i.e., K Street) destinationsOption D. Integrated Corridor ManagementOption H. Transportation Demand ManagementOption I. Bicycle/Pedestrian System Enhancements#4 Option G. Bus Transit Level of Service and CapacityModification: Improve bus routing and LOS; improved headways further on Priority BusInclude U.S. 50 bus-on-shoulder operationOption D. Integrated Corridor ManagementOption H. Transportation Demand ManagementOption I. Bicycle/Pedestrian System Enhancements, including complementary bicycle facilityalong U.S. 503.2 Approach to Evaluating Multimodal PackagesA comprehensive evaluation approach designed to consider a range of quantitative and qualitativecriteria was developed to assess the four multimodal packages. This includes off-modeltechniques that were developed to evaluate mobility options that could not be modeled usingthe regional travel demand forecasting model. The model process for testing multimodal packagesas well as the components of the evaluation approach to assess multimodal packages arelisted below and are detailed further in this Section and include:Fundamental measures of effectiveness;Level of service mapping;Off-model techniques; andSensitivity analysis.3-4 I-66 Multimodal Study
Multimodal PackagesModel Process for Testing Multimodal PackagesAs described in Section 2.2, the earlier technical analysis conducted for the mobility optionsutilized an abbreviated model approach that did not include a feedback loop in the modelingprocess. For the multimodal package testing, the full model process was used. Figure 3.1shows an overview of the full modeling process, including a feedback loop to trip distributionand trip generation. The feedback loop allows for congestion on the transportation network tobe incorporated into travel decisions. Congestion on the network can impact the distance a triptravels, the mode of travel, and the path taken. Incorporating the feedback loop impacts theorigin and destination, mode choice, and, ultimately, the travel path selected as part of theassignment model.The full model included running a “pump prime” iteration which is completed to develop basecongested speeds. The “pump prime” iteration is followed by four full iterations of the model.For the package assessment phase, full model runs of the regional travel demand forecastingmodel were conducted, including all of the feedback loops resulting in the final fourth iterationtrip tables and loaded transportation networks. Lead Agency and PARC input was reflected inthe modeling details and each package was coded into the TPB Version 2.3 travel demand forecastingmodel and a forecast was generated. As with the mobility option analysis inSection 2.0, the results focus on comparisons between the CLRP+ Baseline scenario and eachpackage.Limitations of the regional travel demand forecasting model necessitated the adoption of offmodeltechniques to evaluate the Integrated Corridor Management, Transportation DemandManagement, and bicycle/pedestrian system components of each multimodal package.I-66 Multimodal Study 3-5
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Table of ContentsTable of Contents(
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List of TablesList of Tables(contin
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List of TablesThis page intentional
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List of FiguresList of Figures(cont
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List of FiguresList of Figures(cont
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AcknowledgementsThis page intention
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Executive Summarymobility options a
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Executive SummaryTable ES.1 Mobilit
Page 20 and 21: Executive SummaryRecommendations fo
Page 22 and 23: Executive SummaryThis page intentio
Page 24 and 25: Introduction(HOV) policies, high-oc
Page 26 and 27: Introduction1.3 Overview of Work Pr
Page 28 and 29: IntroductionStudy WebpageThe I-66 M
Page 30 and 31: IntroductionThis page intentionally
Page 32 and 33: Mobility OptionsFigure 2.1Issues an
Page 34 and 35: Mobility OptionsKeeps mobility opti
Page 36 and 37: Mobility Optionsanticipated to have
Page 38 and 39: Mobility OptionsTable 2.2 Mobility
Page 40 and 41: Mobility OptionsFigure 2.2Abbreviat
Page 42 and 43: Mobility OptionsFigure 2.3Cutline L
Page 44 and 45: Mobility OptionsFigure 2.4Peak-Hour
Page 46 and 47: Mobility OptionsTotal VMT in the st
Page 48 and 49: Mobility OptionsThere is some shift
Page 50 and 51: Mobility OptionsThe percentage of t
Page 52 and 53: Mobility OptionsMode share shows no
Page 54 and 55: Mobility OptionsFigure 2.15 Morning
Page 56 and 57: Mobility OptionsKey FindingsThis op
Page 58 and 59: Mobility OptionsFigure 2.17 Interli
Page 60 and 61: Mobility Options2. Orange Line Bypa
Page 62 and 63: Mobility OptionsAs travelers make u
Page 64 and 65: Mobility OptionsTable 2.3 Mobility
Page 66 and 67: Mobility OptionsThis page intention
Page 68 and 69: Multimodal PackagesReducing the pro
Page 72 and 73: Multimodal PackagesFigure 3.1Travel
Page 74 and 75: Multimodal PackagesTransit Accessib
Page 76 and 77: Multimodal PackagesTransportation R
Page 78 and 79: Multimodal PackagesTable 3.4 CLRP a
Page 80 and 81: Multimodal PackagesMeasures of Effe
Page 82 and 83: Multimodal PackagesLevel of Service
Page 84 and 85: Multimodal PackagesFigure 3.6 CLRP+
Page 86 and 87: Multimodal PackagesFigure 3.8 CLRP+
Page 88 and 89: Multimodal Packages3.4 Package 1 -
Page 90 and 91: Multimodal PackagesFigure 3.12 Pack
Page 92 and 93: Multimodal PackagesTable 3.5 Packag
Page 98 and 99: Multimodal PackagesThe tolls would
Page 106 and 107: Multimodal PackagesCost EstimatesPa
Page 108 and 109: Multimodal PackagesThis package sho
Page 110 and 111: Multimodal PackagesLevel of Service
Page 116 and 117: Multimodal Packagesminute limit was
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Multimodal PackagesTable 3.12Packag
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Multimodal PackagesFigure 3.38 Pack
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Multimodal PackagesFigure 3.40 Pack
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Multimodal PackagesMultimodal Trave
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Multimodal Packagesemerging focus a
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Multimodal PackagesDynamic Merge (J
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Multimodal PackagesImproved network
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Multimodal PackagesMarketing and Ou
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Multimodal Packagesround trip usage
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Multimodal PackagesTable 3.16 Annua
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Multimodal PackagesTable 3.19 TDM 2
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Multimodal PackagesTable 3.20 Map K
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Multimodal PackagesTable 3.20 Map K
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Multimodal PackagesFigure 3.43 Bicy
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Multimodal PackagesFigure 3.44 2040
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Multimodal PackagesPrioritization o
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Multimodal PackagesTable 3.21 2040
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Multimodal PackagesCost EstimatesPl
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Multimodal PackagesProject lengths
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Multimodal PackagesTable 3.24Priori
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Multimodal PackagesFigure 3.46 Map
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Multimodal PackagesTable 3.25 Bicyc
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Multimodal PackagesTable 3.26Measur
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Multimodal PackagesTable 3.26Measur
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Multimodal Packagessensitivity test
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Multimodal PackagesTable 3.27 Sensi
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Recommendationswill be prudent to p
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Recommendationscapacity expansion w
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Recommendations(ROW) acquisition, w
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Recommendationsachieve the objectiv
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Recommendationsto improve mobility
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RecommendationsTable 4.1 Multimodal
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RecommendationsFigure 4.1 Map of Bi
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RecommendationsTable 4.3 Bicycle Pr
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Recommendationsand TDM. ICM brings
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Potential Funding ApproachesFigure
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Potential Funding ApproachesTable 5
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Potential Funding Approacheslong-te
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Potential Funding ApproachesThis pa
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