versatile applications of emme/2 and enif: seattle experience madhavi sanakkayala heather purdy...

Versatile Applications of Versatile Applications of EMME/2 and ENIF: EMME/2 and ENIF: Seattle ExperienceSeattle Experience

Madhavi SanakkayalaMadhavi SanakkayalaHeather PurdyHeather Purdy

& & Sujay DavuluriSujay Davuluri

Parsons Brinckerhoff, SeattleParsons Brinckerhoff, Seattle

Presentation LayoutPresentation Layout

EMME/2 ApplicationsEMME/2 Applications– Multimodal Travel ForecastingMultimodal Travel Forecasting– Special AnalysisSpecial Analysis– Performance MeasuresPerformance Measures– Interface with Micro-SimulationInterface with Micro-Simulation

ENIF ApplicationsENIF Applications ConclusionsConclusions

SeattleSeattleAreaAreaMapMap

MAJOR FACILITIES

Multimodal Travel ForecastingMultimodal Travel Forecasting

Highway FocusHighway Focus Transit FocusTransit Focus Pricing FocusPricing Focus Combined FocusCombined Focus

Highway FocusHighway Focus

Capacity Enhancement Capacity Enhancement – New Facility New Facility

I-605I-605

– Replacement FacilityReplacement FacilitySR 520, SR 99SR 520, SR 99

– Roadway WideningRoadway Widening I-405I-405

EXAMPLES

Highway Focus – Continued…Highway Focus – Continued… Unconstrained Capacity Analysis Unconstrained Capacity Analysis

– Maximum possible Auto Demand on the Highway System

– No Highway Constraints– All-or-Nothing Assignments– Used for determining the future highway

capacity needs

Unconstrained DemandUnconstrained Demand

Transit FocusTransit Focus System PlanningSystem Planning

– Light RailLight Rail– Commuter RailCommuter Rail– Bus Rapid TransitBus Rapid Transit– FerriesFerries– Park & Ride FacilitiesPark & Ride Facilities

Project-Level PlanningProject-Level Planning– Sound Transit’s Projects (Express Buses, Sound Transit’s Projects (Express Buses,

Commuter Rail & Light Rail)Commuter Rail & Light Rail)

Transit Planning

Washington State Washington State FerriesFerries

Transit Focus – Continued…Transit Focus – Continued…

Unconstrained Capacity AnalysisUnconstrained Capacity Analysis– Maximum possible Transit Demand – Highway network used to replicate a

ubiquitous transit network– Used for evaluating the future transit

needs For Potential New Markets For Improving Current Markets

Unconstrained TransitUnconstrained Transit

Transit Focus – Continued…Transit Focus – Continued…

Pricing FocusPricing Focus

Tolls - Congestion Management FocusTolls - Congestion Management Focus– Limited capacity enhancement opportunitiesLimited capacity enhancement opportunities– Tolls on major facilitiesTolls on major facilities– Based on marginal delayBased on marginal delay– Delay reductionDelay reduction

Tolls - Revenue Maximizing FocusTolls - Revenue Maximizing Focus– Used for SR-520 Floating Bridge Replacement Used for SR-520 Floating Bridge Replacement

ProjectProject– Generalized Cost Assignment ApproachGeneralized Cost Assignment Approach

Congestion Management TollingCongestion Management Tolling

Special AnalysisSpecial Analysis

HOT/Managed LanesHOT/Managed Lanes– Unused HOV capacityUnused HOV capacity– Allocate to GP traffic with tollsAllocate to GP traffic with tolls

Matrix EstimationMatrix Estimation– Estimating base year OD matrix Estimating base year OD matrix

User BenefitsUser Benefits– SUMMIT: New StartsSUMMIT: New Starts– EMME/2: Matrix CalculationsEMME/2: Matrix Calculations

SR-167 HOT SR-167 HOT LanesLanes

Performance MeasuresPerformance Measures

HighwayHighway– VMT/VHTVMT/VHT– Delay CalculationDelay Calculation– Travel Time Travel Time – Screenline AnalysisScreenline Analysis

TransitTransit– Travel Time Travel Time

Cluster AnalysisCluster Analysis

– Screenline AnalysisScreenline Analysis

Interface with Micro-SimulationInterface with Micro-Simulation

Sub-Area AnalysisSub-Area Analysis– Integration Application to Seattle Integration Application to Seattle

DowntownDowntown Feedback Between PackagesFeedback Between Packages

– Link Free Flow SpeedsLink Free Flow Speeds– CapacitiesCapacities

Intersection VolumesIntersection Volumes– Growth FactorsGrowth Factors– Hourly VolumesHourly Volumes

Network analysis toolNetwork analysis tool– Coding Networks, Comparing Networks among Coding Networks, Comparing Networks among

various scenarios, Quality Control/Quality various scenarios, Quality Control/Quality AssuranceAssurance

Evaluation toolEvaluation tool– Displaying & Evaluating the Results, Comparing Displaying & Evaluating the Results, Comparing

Results among various scenariosResults among various scenarios Enhanced GraphicsEnhanced Graphics

– Presenting & Communicating Network Presenting & Communicating Network Assumptions and Results to team members and Assumptions and Results to team members and clientsclients

ENIF ApplicationsENIF Applications

Concluding RemarksConcluding Remarks

EMME/2 Provided Excellent EMME/2 Provided Excellent Capabilities for:Capabilities for:– Multimodal Applications Multimodal Applications – Testing Hypothetical SituationsTesting Hypothetical Situations– Transit/Ferry Forecasting AnalysesTransit/Ferry Forecasting Analyses– Flexibility with Tolling ApplicationsFlexibility with Tolling Applications– ENIF Versatile FunctionalitiesENIF Versatile Functionalities

New EMMENew EMME