Treasure Coast Southeast Florida Regional Planning Models

December 12, 2006December 12, 2006 Florida Model Task ForceFlorida Model Task Force

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Treasure CoastTreasure CoastSoutheast FloridaSoutheast Florida

Regional Planning ModelsRegional Planning ModelsInIn

Cube VoyagerCube Voyager

22 December 12, 2006December 12, 2006 Florida Model Task ForceFlorida Model Task Force

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Consultant TeamsConsultant Teams

TRCPMTRCPMCorradinoCorradino

Renaissance Planning GroupRenaissance Planning Group

Cambridge SystematicsCambridge Systematics

SERPM 6SERPM 6CorradinoCorradino

AECOM ConsultAECOM Consult

With thanks to …•FDOT Districts 4 & 6

•MPO staffs of Palm Beach County, Broward County, Miami-Dade County, Martin County, St. Lucie County and Indian River County

•SFRTA


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TCRPM - HistoryTCRPM - History

Earlier FSUTMS/Tranplan Versions: 1 & 2Earlier FSUTMS/Tranplan Versions: 1 & 2

TCRPM 3 – Highway-only model TCRPM 3 – Highway-only model developed and calibrated completely in developed and calibrated completely in TransCAD … thought we were done!TransCAD … thought we were done!

Model development switched to Cube Model development switched to Cube Voyager after Model Task Force action in Voyager after Model Task Force action in the fall of 2004.the fall of 2004.


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2000 Treasure Coast Regional 2000 Treasure Coast Regional Planning Model (TCRPM)Planning Model (TCRPM)

Cube Voyager based modelCube Voyager based model

Covers three countiesCovers three counties Indian RiverIndian River St. LucieSt. Lucie MartinMartin

Two FlavorsTwo Flavors Highway – OnlyHighway – Only With TransitWith Transit


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TCRPM – What’s New?TCRPM – What’s New?

Cube Voyager PlatformCube Voyager Platform

Initial Speeds from Posted Speed and Initial Speeds from Posted Speed and Traffic Signal Data on the networkTraffic Signal Data on the network

PT for a simple transit networkPT for a simple transit network

Matrix for Mode ChoiceMatrix for Mode Choice

Highway Evaluation Connected to Highway Evaluation Connected to standard FSUTMS RMSE and HEVAL standard FSUTMS RMSE and HEVAL programsprograms


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TCRPMTCRPMUses FSUTMS Facility and Area type Uses FSUTMS Facility and Area type codingcoding

Trip generation rates are county specificTrip generation rates are county specificMode choice modelMode choice model Splits auto and transit tripsSplits auto and transit trips Further splits auto trips in occupancy levelsFurther splits auto trips in occupancy levels

Run time for the full model is 7 min. on a 3.4 Run time for the full model is 7 min. on a 3.4 GHZ machineGHZ machine

Traffic Analysis Zones = 731Traffic Analysis Zones = 731


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TCRPM VMT/VHT TCRPM VMT/VHT (Volume/Count) Ratios(Volume/Count) Ratios


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TCRPM RMSETCRPM RMSE


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SERPM - HistorySERPM - History

Earlier FSUTMS/Tranplan Versions: 1 - 5Earlier FSUTMS/Tranplan Versions: 1 - 5

SERPM 5 – 1999 Base Year with SERPM 5 – 1999 Base Year with restructured mode choice responding to restructured mode choice responding to FTA concerns FTA concerns

SERPM 6 is a Cube Voyager model, no SERPM 6 is a Cube Voyager model, no Tranplan required. Custom-written Fortran Tranplan required. Custom-written Fortran code for LSGEN, Mode Choice and a few code for LSGEN, Mode Choice and a few other minor componentsother minor components


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SERPM 6SERPM 6

Palm Beach, Broward and Miami-Palm Beach, Broward and Miami-Dade CountiesDade Counties

4,134 TAZs (ZONESA)4,134 TAZs (ZONESA)

3 Time periods (AM 6:30-9:30, PM 3 Time periods (AM 6:30-9:30, PM 3:30 – 6:30, Off-peak)3:30 – 6:30, Off-peak)

10 Transit modes10 Transit modes

22 – 28 hours run time on 3.4 GHZ 22 – 28 hours run time on 3.4 GHZ computercomputer


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What’s New?What’s New?

Zdata in TAZ Shape file DBFZdata in TAZ Shape file DBF3 Period Time-of-day3 Period Time-of-dayDynamic area typesDynamic area typesEstimation of initial speeds Estimation of initial speeds from posted speed and signalsfrom posted speed and signalsEstimation of capacities from Estimation of capacities from roadway physical roadway physical characteristicscharacteristicsEstimation of time delays at Estimation of time delays at freeway mergesfreeway mergesEquilibration of speeds in peak Equilibration of speeds in peak period pre-assignmentperiod pre-assignmentTrips for HHs with autos Trips for HHs with autos distributed using highway distributed using highway skims, while 0-auto HHs use skims, while 0-auto HHs use transit skimstransit skims

Micro-coding of fixed-guideway Micro-coding of fixed-guideway transit stationstransit stationsModel is validated to observed Model is validated to observed highway speeds as well as to highway speeds as well as to traffic countstraffic countsTransit nets kept in PT, but Transit nets kept in PT, but Trnbuild used for paths, skims Trnbuild used for paths, skims and assignmentand assignmentNon-motorized mode choiceNon-motorized mode choiceBuilt-in mode choice constant Built-in mode choice constant estimation processestimation processBetter estimation of kiss-and-Better estimation of kiss-and-ride and park-and-ride at ride and park-and-ride at stationsstations


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SERPM 6 – Model FlowSERPM 6 – Model Flow

1.1. Setup controls and file namesSetup controls and file names2.2. External – EE by periodExternal – EE by period3.3. Trip Gen – LSGEN by auto Trip Gen – LSGEN by auto

ownership and TODownership and TOD4.4. Highway – Including speed Highway – Including speed

and capacity calculatorsand capacity calculators5.5. Distribution – Including Distribution – Including

equilibration of peak period equilibration of peak period highway speedshighway speeds

6.6. Transit Nets – PT Transit Nets – PT Trnbuild Trnbuild and connectors, paths, skims and connectors, paths, skims and faresand fares

7.7. Mode ChoiceMode Choice8.8. Transit Assignment by access Transit Assignment by access

path and TODpath and TOD9.9. Highway Trip Tables – Highway Trip Tables –

Combines trip tables for Combines trip tables for assignmentassignment

10.10. Highway Assignment – by Highway Assignment – by TOD (use most computer TOD (use most computer time)time)

11.11. Highway Evaluation – HEVAL Highway Evaluation – HEVAL and RMSE by TOD and and RMSE by TOD and countycounty


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SERPM 6 - Transit NetsSERPM 6 - Transit Nets# PT Mode (applicable county) TRNBUILD Mode (applicable county)

1 Walk Access Walk Access

2 Drive Access Drive Access

3 Sidewalk/Transfer connector Sidewalk/Transfer connector

4 Bus (Palm Beach & Broward) Bus (Palm Beach)

5 Bus (Miami-Dade) Bus (Dade)

6 Express Bus (all) Express Bus (Broward)

7 Metro-Rail Metro-Rail

8 Tri-Rail Tri-Rail

9 Metromover Metromover

10 New Mode (all) New Mode (Broward)

11 Project Mode (all) Project Mode (all)

12 Tri-Rail Shuttle (all) Tri-Rail Shuttle (all)

13 Limited Stop Bus (all) Limited Stop Bus (Miami-Dade)

14 n/a Bus (Broward)

15 n/a Express Bus (Miami-Dade)

16 n/a Express Bus (Palm Beach)

17 n/a New Mode (Miami-Dade)

18 n/a Limited Stop Bus (Broward)

19 n/a Limited Stop Bus (Palm Beach)

20 n/a New Mode (Palm Beach)


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Station Micro-codingStation Micro-coding

StreetsBus platform node

Rail platform nodeMetroRail

PNR KNR

Time= ~1 min

Time= ~0.5 min

Time= ~2 min

Time= ~2 min

Access Connectors

Escalator Link

Time= ~1 min

Source: AECOM Consult


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Time of DayTime of DayFSUTMS uses auto speeds FSUTMS uses auto speeds from 24-hour assignment as from 24-hour assignment as for HBW mode choicefor HBW mode choice

HBO & NHB use free-flow HBO & NHB use free-flow speedsspeeds

SERPM6 uses time of daySERPM6 uses time of day Peak period trips use AM Peak period trips use AM

congested speedscongested speeds Off-peak period trips use free-Off-peak period trips use free-

flow speedsflow speeds

Standard FSUTMS design Standard FSUTMS design expected for most modelsexpected for most models

Standard FSUTMS ModelsStandard FSUTMS Models

Purpose & Purpose & PeriodPeriod

Auto Auto ImpedancesImpedances

HBW allHBW all CongestedCongested

HBO allHBO all Free-flowFree-flow

NHB allNHB all Free-flowFree-flow

Time-of-day ModelsTime-of-day Models

Purpose & Purpose & PeriodPeriod

Auto Auto ImpedancesImpedances

HBW peak HBW peak

HBO peak HBO peak

NHB peakNHB peak

AM congestedAM congested

HBW off-peakHBW off-peak

HBO off-peakHBO off-peak

NHB off-peakNHB off-peak

Free-flowFree-flow



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PT OverviewPT Overview

Multi-path algorithmMulti-path algorithm Can produce two or more paths per O/D pairCan produce two or more paths per O/D pair Skims reflect weighted values of all pathsSkims reflect weighted values of all paths

Advanced fare system & transit speed Advanced fare system & transit speed featuresfeatures

Good network featuresGood network features

Has ability to generate access connectorsHas ability to generate access connectors



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FTA Reactions to PTFTA Reactions to PTStrongly recommended micro-coding fixed-guideway, park-Strongly recommended micro-coding fixed-guideway, park-and-ride & kiss-and-ride stations to better represent transfer and-ride & kiss-and-ride stations to better represent transfer timetime

Existing FSUTMS standards utilize same node for rail & bus stationsExisting FSUTMS standards utilize same node for rail & bus stations

Confirmed that multi-path builder is not compatible with Confirmed that multi-path builder is not compatible with existing FSUTMS mode choice structureexisting FSUTMS mode choice structurePT v4.0 can not provide the necessary information for New PT v4.0 can not provide the necessary information for New Starts quality control testsStarts quality control testsTrying to quantify impacts of multi-path systems on Trying to quantify impacts of multi-path systems on New/Small Starts; would prefer single-path but do not New/Small Starts; would prefer single-path but do not require itrequire itHelpful to have empirical evidence of typical New/Small Helpful to have empirical evidence of typical New/Small Start situations in PTStart situations in PT



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FDOT Central Office ResearchFDOT Central Office ResearchCitilabs added a best-path switch in PTCitilabs added a best-path switch in PT Addresses FTA’s New Starts quality control testsAddresses FTA’s New Starts quality control tests Mimics single-path path-buildersMimics single-path path-builders

Developed and tested 3 prototype modelsDeveloped and tested 3 prototype models (1)PT multi-path (2)PT best-path (3)PT-TRNBUILD (1)PT multi-path (2)PT best-path (3)PT-TRNBUILD

hybridhybrid Purposes:Purposes:

Provide empirical data to assist with FTA/Citilabs discussionsProvide empirical data to assist with FTA/Citilabs discussionsHelp determine best design for PT model that produces Help determine best design for PT model that produces explainable results that are sufficient for New/Small Starts explainable results that are sufficient for New/Small Starts analysisanalysisIdentify any issues as early as possibleIdentify any issues as early as possible

Developed modeling standards (“frameworks”) for multi-Developed modeling standards (“frameworks”) for multi-path system, adjusted slightly for other 2 systemspath system, adjusted slightly for other 2 systems



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SERPM 6 - TRNBUILDSERPM 6 - TRNBUILDCould not wait for PT “best path”Could not wait for PT “best path”Single-path builder from TP+ & available in VoyagerSingle-path builder from TP+ & available in VoyagerLink-based, some similarities to Tranplan’s path-builderLink-based, some similarities to Tranplan’s path-builderWell-known to FTAWell-known to FTA Reliable history that dates back to MINUTPReliable history that dates back to MINUTP

Used nationwide Used nationwide Atlanta, Washington DC, Columbus OH, Northern NJAtlanta, Washington DC, Columbus OH, Northern NJ

Can read Voyager highway networks directlyCan read Voyager highway networks directlyEasy to convert PT network & connectorsEasy to convert PT network & connectorsOnly being used in Florida for SERPM6Only being used in Florida for SERPM6Future development not supported by CitilabsFuture development not supported by Citilabs



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SERPM 6 – Mode ChoiceSERPM 6 – Mode Choice

Applied for Peak and Off-peak


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SERPM 6 – Transit AssignmentSERPM 6 – Transit Assignment

By TOD (AM, Off-peak)By TOD (AM, Off-peak) By Access Mode (Walk, Auto)By Access Mode (Walk, Auto)

By Transit ModeBy Transit Mode BusBus MetrorailMetrorail Tri-RailTri-Rail New ModeNew Mode


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SERPM 6 – Highway AssignmentSERPM 6 – Highway Assignment

By Time-of-DayBy Time-of-Day AM PeakAM Peak Off-PeakOff-Peak PM PeakPM Peak Composite 24 Hours (add preceding)Composite 24 Hours (add preceding)


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SERPM 6 – Highway EvaluationSERPM 6 – Highway Evaluation

SUMMARIES BY:SUMMARIES BY: SERPM 6 Region by Time-of-DaySERPM 6 Region by Time-of-Day Each County for 24 hoursEach County for 24 hours Trucks alone – each County for 24 hoursTrucks alone – each County for 24 hours


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SERPM 6 - ValidationSERPM 6 - Validation

Standard FSUTMSStandard FSUTMS+++ Plus Speed Validation+++ Plus Speed ValidationSpeed compromises made in favor of Speed compromises made in favor of Volume/CountVolume/CountGood Volume/Count ratiosGood Volume/Count ratiosVery good RMSEVery good RMSEGood transit assignment resultsGood transit assignment results


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SERPM 6 – Speed ValidationSERPM 6 – Speed Validation

Average Weighted Speed (mph)

Model Observed

Facility Type AM PMOff

PeakAll

PeriodsAM PM

Off Peak

All Periods

Freeway - 11 45.41 45.47 48.81 46.44 46.84 54.15 52.25 50.58

Surface Streets - 41 29.86 27.45 31.67 30.13 24.69 23.60 26.62 25.25

HOV Lanes - 81 54.02 51.57 52.79 64.19 57.58 60.89

Toll Facility - 91 63.79 62.17 62.84 62.96 65.16 65.47 63.97 65.17

All Facilities: 41.00 43.94 37.87 40.88 39.97 46.75 35.41 40.48


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SERPM 6 – Systemwide SERPM 6 – Systemwide ComparisonComparison


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SERPM 6 – RMSE ValidationSERPM 6 – RMSE Validation


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SERPM 6 – Transit Ridership SERPM 6 – Transit Ridership ValidationValidation


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Thank you!Thank you!

Documents

Treasure Coast Southeast Florida Regional Planning Models