February 8, 2008 SERPM65 vs. SERPM6-Corradino 1 SERPM-6.5 & SERPM-6: Differences & Future Directions Southeast Florida FSUTMS Users Group Meeting Ft. Lauderdale,

February 8, 2008February 8, 2008

SERPM65 vs. SERPM6-SERPM65 vs. SERPM6-CorradinoCorradino 11

SERPM-6.5 & SERPM-6:SERPM-6.5 & SERPM-6: Differences & Future Differences & Future

DirectionsDirections

Southeast Florida FSUTMS Users Group MeetingSoutheast Florida FSUTMS Users Group MeetingFt. Lauderdale, FLFt. Lauderdale, FL

22 February 8, 2008February 8, 2008

SERPM65 vs. SERPM6 - SERPM65 vs. SERPM6 - CorradinoCorradino

TAC TeamTAC Team

•FDOT - Districts 4 & 6

•Turnpike

•Palm Beach MPO

•Broward MPO

•Miami-Dade MPO

•SFRTA

•Corradino (Consultant)



SERPM HistorySERPM History

ModelModel Base YearBase Year SystemSystemSERPM-1SERPM-1 19861986 UTPSUTPS

SERPM-2SERPM-2 Pre-Census 1990Pre-Census 1990 Tranplan/RS6000Tranplan/RS6000

SERPM-3SERPM-3 19901990 Tranplan/RS6000Tranplan/RS6000

SERPM-4SERPM-4 19901990 Tranplan/RS6000Tranplan/RS6000

SERPM-4SERPM-4 19901990 Tranplan/PC X32Tranplan/PC X32

SERPM-5SERPM-5 19991999 Tranplan/Windows 32Tranplan/Windows 32

SERPM-5 FTASERPM-5 FTA 19991999 Tranplan/Windows 32Tranplan/Windows 32

SERPM-6SERPM-6 20002000 Cube/VoyagerCube/Voyager

SERPM-65SERPM-65 20052005 Cube/VoyagerCube/Voyager



24-Hour & TOD Model…24-Hour & TOD Model…

SERPM65 SERPM6

Full time of dayFull time of day && 24-Hour model24-Hour model

2005 base year2005 base year

Full time of dayFull time of day

2000 base year2000 base year



SERPM-65 CoverageSERPM-65 Coverage

Palm Beach, BrowardPalm Beach, Broward

and Miami-Dade and Miami-Dade CountiesCounties

2005 Population:2005 Population:

5.4 million 5.4 million

2005 Households:2005 Households:

2.0 million2.0 million

4,284 TAZs4,284 TAZs

(internal+dummy+ext(internal+dummy+ext))



SERPM65SERPM65: Zone & Node Info…: Zone & Node Info…



SERPM6SERPM6: Zone & Node Info…: Zone & Node Info…



What’s New?What’s New?All zonal data (ZDATA1/ZDATA2/ All zonal data (ZDATA1/ZDATA2/ SCHOOL/WALK) in TAZ Shape SCHOOL/WALK) in TAZ Shape file DBFfile DBF3 Period Time-of-day & 3 Period Time-of-day & 24-Hour 24-Hour Highway ModelHighway Model2 Period Transit TOD Model2 Period Transit TOD ModelDynamic area typesDynamic area typesEstimation of initial speeds from Estimation of initial speeds from posted speed and signals dataposted speed and signals dataEstimation of capacities from Estimation of capacities from roadway physical characteristicsroadway physical characteristicsEstimation 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 skims, distributed using highway skims, while 0-auto HHs use transit skimswhile 0-auto HHs use transit skims

Micro-coding of fixed-guideway transit Micro-coding of fixed-guideway transit stationsstationsModel is validated to observed Model is validated to observed highway speeds as well as to traffic highway speeds as well as to traffic countscountsTransit nets kept in PT, but Trnbuild Transit nets kept in PT, but Trnbuild used for paths, skims and assignmentused for paths, skims and assignmentNon-motorized mode choiceNon-motorized mode choiceBuilt-in mode choice constant Built-in mode choice constant estimation processestimation processBetter External Trip Process for Better External Trip Process for FreewaysFreewaysMore Scrutiny of Toll Facility Data and More Scrutiny of Toll Facility Data and Volumes Volumes



SERPM65 – Model FlowSERPM65 – 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 – Includes speed and Highway – Includes speed and

capacity calculatorscapacity calculators5.5. Distribution – Includes Distribution – Includes

equilibration (equilibration (FEEDBACKFEEDBACK) of ) of peak period highway speedspeak period highway 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 assignment – assignment – 24H24H & TOD & TOD

10.10. Highway Assignment – Highway Assignment – 24 24 HourHour & by TOD (use most & by TOD (use most computer time)computer time)

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



SERPM65:SERPM65: TAZ Attributes TAZ Attributes



SERPM65:SERPM65: TAZ Attributes (contd.) TAZ Attributes (contd.)



SERPM65:SERPM65: T/G Folders & Inputs T/G Folders & Inputs



SERPM65:SERPM65: T/G Folders & Outputs T/G Folders & Outputs



SERPM65: T/P StructureSERPM65: T/P Structure



AREA TYPESAREA TYPES

Now dynamically calculated by Now dynamically calculated by Voyager scriptVoyager script from from ZDATA densities (population + employment)ZDATA densities (population + employment)ATYPE may change for each yearATYPE may change for each yearDefinitions:Definitions:

CBD (same as old CBD)CBD (same as old CBD) Non-CBD Low-Density (similar to old OBD)Non-CBD Low-Density (similar to old OBD) Non-CBD Medium-Density (similar to old Residential)Non-CBD Medium-Density (similar to old Residential) Non-CBD High-Density (similar to old Fringe)Non-CBD High-Density (similar to old Fringe) Non-CBD Very Low-Density (similar to old Rural)Non-CBD Very Low-Density (similar to old Rural)



2005 Area Types…2005 Area Types… 2030 Area Types…2030 Area Types…



Facility Types…Facility Types…



SERPM65:SERPM65: Unloaded Network Attributes Unloaded Network Attributes



SERPM6:SERPM6: Unloaded Network Attributes Unloaded Network Attributes



An ExampleAn Example of Network Difference… of Network Difference…

SERPM65 SERPM6



24-Hour Counts…24-Hour Counts… TOD Counts…TOD Counts…



Traffic Count by Facility:Traffic Count by Facility: SERPM65 SERPM65 (2005)(2005) vs. SERPM6 vs. SERPM6 (2000)(2000)



Initial Speed EstimationInitial Speed Estimation

Estimates uninterrupted flow initial speed Estimates uninterrupted flow initial speed from an equationfrom an equation

Adds delays from traffic control devicesAdds delays from traffic control devices



Speed RelationshipsSpeed Relationships



SERPM65:SERPM65: IE/EI Trips (exiting/entering Freeway) T/D Logit Curve IE/EI Trips (exiting/entering Freeway) T/D Logit Curve



Time of DayTime of Day – – Transit ModelTransit Model

Standard FSUTMS uses Standard FSUTMS uses auto speeds from 24-hour auto speeds from 24-hour assignment as for HBW assignment as for HBW mode choicemode choice

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

SERPM6/6.5 uses time of SERPM6/6.5 uses time of dayday

Peak period trips use AM Peak period trips use AM congested speedscongested speeds

Off-peak period trips use Off-peak period trips use free-flow speedsfree-flow speeds

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



SERPM65 - Transit NetsSERPM65 - 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)



Transit Districts…Transit Districts…



Mode Choice Transit District ConstantsMode Choice Transit District Constants



SERPM65 – Highway AssignmentSERPM65 – Highway Assignment

Follows multi-user class link constrained Follows multi-user class link constrained equilibrium assignment methodologies (equilibrium assignment methodologies (with selected with selected

node penaltiesnode penalties))For For TOD VersionTOD Version AM Peak (Warm-up & Final)AM Peak (Warm-up & Final) Off-Peak (Warm-up & Final)Off-Peak (Warm-up & Final) PM Peak (Warm-up & Final)PM Peak (Warm-up & Final) Composite 24 Hours (add preceding)Composite 24 Hours (add preceding)

For For 24-Hour Version (24-Hour Version (NOT for SERPM6NOT for SERPM6)) 24-Hour Assignment 24-Hour Assignment (Warm-up & Final)(Warm-up & Final)



Generalized Turning Penalties Generalized Turning Penalties (MTURNDEF)(MTURNDEF) … …

SERPM65

SERPM6



SERPM65:SERPM65: Modified BPR Functions Modified BPR Functions



Freeway & Ramp Merge Delay FunctionsFreeway & Ramp Merge Delay Functions



SERPM65:SERPM65: Highway Assignments Convergence Statistics Highway Assignments Convergence Statistics



SERPM6:SERPM6: Highway Assignments Convergence Statistics Highway Assignments Convergence Statistics



SERPM65:SERPM65: 24-Hour Model Loaded Network Attributes24-Hour Model Loaded Network Attributes



SERPM65:SERPM65: TOD TOD Model Loaded Network Attributes Model Loaded Network Attributes



SERPM6:SERPM6: TOD TOD Model Loaded Network Attributes Model Loaded Network Attributes



SERPM65 Validation Results SERPM65 Validation Results (Selected) :(Selected) :

24-Hour24-Hour & & Initial TODInitial TOD Models Models



SERPM65 DistrictsSERPM65 Districts



JTW vs. HBW JTW vs. HBW (Model)(Model) Flows By County Flows By County



JTW vs. HBW JTW vs. HBW (Model)(Model) Trip Ends By District Trip Ends By District



Trip Production End (%s): Trip Production End (%s): JTW vs. HBWJTW vs. HBW (Model)(Model)



Trip Attraction End (%s): Trip Attraction End (%s): JTW vs. HBWJTW vs. HBW (Model)(Model)



Turnpike External Survey Data vs. SERPM65 ResultsTurnpike External Survey Data vs. SERPM65 Results



Selected Turnpike Segment Volume & GrowthSelected Turnpike Segment Volume & Growth::

2005 – 2030 2005 – 2030 (24-Hour Model)(24-Hour Model)



SERPM65:SERPM65: Further DirectionsFurther Directions

24-Hour Model:24-Hour Model: Address any “reasonable” commentsAddress any “reasonable” comments

TOD Model (w/o HOT Lane modeling):TOD Model (w/o HOT Lane modeling): Validate model for “reasonable” volume estimates of toll Validate model for “reasonable” volume estimates of toll

facilities.facilities.

Prepare Technical Report & User’s Manual Prepare Technical Report & User’s Manual



SERPM65:SERPM65: Further Directions (Contd.)Further Directions (Contd.)

TOD Model (revision):TOD Model (revision): Revised CV scripts to allow modeling of HOT LanesRevised CV scripts to allow modeling of HOT Lanes Modify skimming for SR2 & SR3+ to allow certain lanes Modify skimming for SR2 & SR3+ to allow certain lanes

as HOV2 & HOV3+ as HOV2 & HOV3+ Modify mode-choice programs to incorporate the above Modify mode-choice programs to incorporate the above

changes in skimmingchanges in skimming Test & Revalidate the model for modeling of HOT LanesTest & Revalidate the model for modeling of HOT Lanes Technical Report & User’s Manual on the validation and Technical Report & User’s Manual on the validation and

operation of revised modeloperation of revised model

Documents

February 8, 2008 SERPM65 vs. SERPM6-Corradino 1 SERPM-6.5 & SERPM-6: Differences & Future Directions Southeast Florida FSUTMS Users Group Meeting Ft. Lauderdale,