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Managed LanesManaged LanesCE 550: Advanced Highway CE 550: Advanced Highway
DesignDesign
Damion PregitzerDamion Pregitzer
BackgroundBackground
VMT has increased 70% in last 20 VMT has increased 70% in last 20 yearsyears
Highway Capacity increase only 0.3%Highway Capacity increase only 0.3% DOTs and MPOs can’t keep up with DOTs and MPOs can’t keep up with
growing needgrowing need
Transportation IssuesTransportation Issues
Construction CostsConstruction Costs Right-of-Way ConstraintsRight-of-Way Constraints Environmental ConcernsEnvironmental Concerns Social ImpactsSocial Impacts Economic ImpactsEconomic Impacts
What are managed Lanes?What are managed Lanes?
““Freeway within a Freeway”Freeway within a Freeway” High Degree of FlexibilityHigh Degree of Flexibility Continued OptimizationContinued Optimization Defined: “’Managed Lanes’ are Defined: “’Managed Lanes’ are
highway facilities or a set of lanes highway facilities or a set of lanes where operational strategies are where operational strategies are proactively implemented and proactively implemented and managed in response to changing managed in response to changing conditions”conditions”
Management StrategiesManagement Strategies
PricingPricing– TollsTolls– Congestion PricingCongestion Pricing
Vehicle EligibilityVehicle Eligibility– TypeType– Minimum OccupancyMinimum Occupancy
Access ControlAccess Control– Express LanesExpress Lanes– Dynamic ClosuresDynamic Closures
Manage Lane ApplicationsManage Lane Applications
Active ManagementActive Management
Primary difference from traditional Primary difference from traditional strategiesstrategies
Use to achieve free-flow conditionsUse to achieve free-flow conditions Defined Performance MeasuresDefined Performance Measures Example:Example: raise toll to achieve desired raise toll to achieve desired
traveling speedstraveling speeds
Why Managed Lanes?Why Managed Lanes?
Increasing VMT and CongestionIncreasing VMT and Congestion Funding ShortagesFunding Shortages Provides drivers multiple Provides drivers multiple
transportation optionstransportation options
Success StoriesSuccess Stories
State Route 91: Orange State Route 91: Orange County, CaliforniaCounty, California
Project GoalProject Goal: Provide motorists a : Provide motorists a congestion-free alternative and congestion-free alternative and maintain financial viability of the maintain financial viability of the lanes.lanes.
State Route 91: Orange State Route 91: Orange County, CaliforniaCounty, California
Toll Express LanesToll Express Lanes 10 Miles in center median of SR9110 Miles in center median of SR91 2 Lanes in each direction2 Lanes in each direction Fully automated; must have Fully automated; must have
registered accountregistered account Privately developedPrivately developed Tolls vary by time of dayTolls vary by time of day
QuickRide: Houston, TexasQuickRide: Houston, Texas
Project GoalProject Goal: Utilize available HOV : Utilize available HOV capacity while preserving bus capacity while preserving bus operating speedsoperating speeds
QuickRide: Houston, TexasQuickRide: Houston, Texas
HOT LanesHOT Lanes I-10, 13 mile single lane reversibleI-10, 13 mile single lane reversible US 290, 13.5 mile single lane reversibleUS 290, 13.5 mile single lane reversible Fully automated; must have registered Fully automated; must have registered
accountaccount Allows 2 occupant vehicles access during Allows 2 occupant vehicles access during
3+ restriction (added fee)3+ restriction (added fee) $2.00 per trip flat fee$2.00 per trip flat fee Operates only during peak hoursOperates only during peak hours
Interstate 15: San Diego, Interstate 15: San Diego, CaliforniaCalifornia
Project GoalProject Goal: Utilize available HOV : Utilize available HOV capacity to fund new transit service capacity to fund new transit service in the corridorin the corridor
Interstate 15: San Diego, Interstate 15: San Diego, CaliforniaCalifornia
8 mile HOT lane8 mile HOT lane 2 lane reversible2 lane reversible Fully automated; must have Fully automated; must have
registered accountregistered account Tolls vary dynamicallyTolls vary dynamically Tolls rates based on level of Tolls rates based on level of
congestion in the lanescongestion in the lanes
New Jersey Turnpike: Dual-New Jersey Turnpike: Dual-Dual Section, New JerseyDual Section, New Jersey
Project GoalProject Goal: Enhance safety and : Enhance safety and improve operations through improve operations through increased flexibilityincreased flexibility
Best Practices in Managed Best Practices in Managed LanesLanes
Planning and Project DevelopmentPlanning and Project Development Facility Monitoring and EvaluationFacility Monitoring and Evaluation Life-Cycle ConsiderationsLife-Cycle Considerations Combination of StrategiesCombination of Strategies
Planning and Project Planning and Project DevelopmentDevelopment
Agency CollaborationAgency Collaboration– Project covers multiple jurisdictionsProject covers multiple jurisdictions– Not Typically in LTRPNot Typically in LTRP
Affected StakeholdersAffected Stakeholders– Transit AgenciesTransit Agencies– Regional transportation authorizesRegional transportation authorizes– Toll AgenciesToll Agencies– Law Enforcement personnelLaw Enforcement personnel– Court PersonnelCourt Personnel– Environmental GroupsEnvironmental Groups– Special Interest GroupsSpecial Interest Groups– CitizensCitizens
Planning and Project Planning and Project DevelopmentDevelopment
Selecting Managed Lane StrategySelecting Managed Lane Strategy– What are the desired project What are the desired project
objectives/outcomes?objectives/outcomes?– New or existing facilityNew or existing facility– Availability of ROWAvailability of ROW– Current operational characteristics of Current operational characteristics of
corridorcorridor– Environmental and societal concernsEnvironmental and societal concerns
Planning and Project Planning and Project DevelopmentDevelopment
Identifying a Hierarchy of UsersIdentifying a Hierarchy of Users– High priority vs. Low priority usersHigh priority vs. Low priority users– Low priority experience most of the Low priority experience most of the
costscosts– Ensures LOS for target mode(s) of Ensures LOS for target mode(s) of
transportationtransportation
Planning and Project Planning and Project DevelopmentDevelopment
Establishing Threshold ValuesEstablishing Threshold Values– Threshold valuesThreshold values– Performance measure: Speed, Volume, Performance measure: Speed, Volume,
DelayDelay– Changes to price and/or occupancy Changes to price and/or occupancy
allowedallowed
Planning and Project Planning and Project DevelopmentDevelopment
Communicating the Managed Lane Communicating the Managed Lane StrategyStrategy– Need to involve the PublicNeed to involve the Public– Politicians/Decision makersPoliticians/Decision makers– May require additional lawsMay require additional laws– Tolls perceived as “Unfair” by usersTolls perceived as “Unfair” by users– Difficulties informing users with dynamic Difficulties informing users with dynamic
systemsystem– Ongoing education and transparency is Ongoing education and transparency is
criticalcritical
Facility Operations with Facility Operations with Continual MonitoringContinual Monitoring
Project FlexibilityProject Flexibility– Alter operations as warrantedAlter operations as warranted– Dynamic toll changesDynamic toll changes– Moveable barriersMoveable barriers– Larger design vehiclesLarger design vehicles– Design roadway for all potential future Design roadway for all potential future
uses (Rail)uses (Rail)
Facility Operations with Facility Operations with Continual MonitoringContinual Monitoring
Monitoring and EvaluationMonitoring and Evaluation– Ongoing measurement of performance Ongoing measurement of performance
measuresmeasures– Update thresholdsUpdate thresholds– Goal: Free-Flow speedsGoal: Free-Flow speeds– Use of new technologyUse of new technology
Vehicle sensorsVehicle sensors Automatic vehicle identificationAutomatic vehicle identification License plate recognitionLicense plate recognition User information systemsUser information systems
Life-Cycle ConsiderationsLife-Cycle Considerations
Maintenance of actively managed Maintenance of actively managed roadway in futureroadway in future
Sustainable performanceSustainable performance Reassessment of Managed Lane Reassessment of Managed Lane
strategiesstrategies
Life-Cycle ConsiderationsLife-Cycle Considerations
Example: Colorado DOTExample: Colorado DOT
New ChallengesNew Challenges Access DesignAccess Design Driver Information and SigningDriver Information and Signing EnforcementEnforcement Revenue Generation and EquityRevenue Generation and Equity Legislative AuthorityLegislative Authority New Institutional ArrangementsNew Institutional Arrangements Analysis Techniques and Demand Forecasting Analysis Techniques and Demand Forecasting
modelsmodels Design FlexibilityDesign Flexibility Integrated Transpiration OpportunitiesIntegrated Transpiration Opportunities TechnologyTechnology
New ChallengesNew Challenges
Access DesignAccess Design– Ingress and Egress pointsIngress and Egress points– Enforcement considerationsEnforcement considerations– Spacing of at-grade ramp connectionsSpacing of at-grade ramp connections– Length of weaving sectionsLength of weaving sections– Integration with existing networkIntegration with existing network
New ChallengesNew Challenges
Driver Information and SigningDriver Information and Signing– Ingress / Egress LocationsIngress / Egress Locations– Occupancy RequirementsOccupancy Requirements– Operating HoursOperating Hours– Toll AmountsToll Amounts– Operating AgenciesOperating Agencies– Electronic message boardsElectronic message boards
New ChallengesNew Challenges
EnforcementEnforcement– Protects integrity of pricing strategiesProtects integrity of pricing strategies– Complexity of design creates challengesComplexity of design creates challenges– Simplify verification / identificationSimplify verification / identification– Dedicated Law Enforcement personnelDedicated Law Enforcement personnel– Potential legislative changesPotential legislative changes
New ChallengesNew Challenges
Revenue Generation and EquityRevenue Generation and Equity– Multiple agenciesMultiple agencies– BudgetBudget– Economic impactEconomic impact– Community goalsCommunity goals
New ChallengesNew Challenges
Legislative AuthorityLegislative Authority– State / National LawsState / National Laws– Automated EnforcementAutomated Enforcement– Cooperation between agenciesCooperation between agencies– Private Developer involvementPrivate Developer involvement
New ChallengesNew Challenges
Analysis Techniques and Demand Analysis Techniques and Demand Forecasting ModelsForecasting Models– Inclusion into LTRPInclusion into LTRP– Scenario testingScenario testing– Data collectionData collection– Air quality estimationAir quality estimation
New ChallengesNew Challenges
Integrated Transportation Integrated Transportation OpportunitiesOpportunities– Need for complex combinations of Need for complex combinations of
strategies to meet future growthstrategies to meet future growth– Regional planning efforts (DOT, MPO, Regional planning efforts (DOT, MPO,
RPA)RPA)– New methodologies (BRT)New methodologies (BRT)
New ChallengesNew Challenges
TechnologyTechnology– Not a limiting factorNot a limiting factor– WirelessWireless– ITSITS– Ongoing improvements: Automated Ongoing improvements: Automated
EnforcementEnforcement
SummarySummary
Need to maximize use of existing Need to maximize use of existing networknetwork
Proactive approach to address future Proactive approach to address future growthgrowth
Ongoing implementation and Ongoing implementation and evaluation of Best Practices in evaluation of Best Practices in Managed Lane StrategiesManaged Lane Strategies
Questions?Questions?