waikato regional transportation model

GABITES PORTER

Waikato Regional Waikato Regional Transportation ModelTransportation Model

Grant Smith & Julie BallantyneGrant Smith & Julie Ballantyne

GABITES PORTER

Items to coverItems to cover

• Objectives of WRTMObjectives of WRTM

GABITES PORTER


• Objectives of WRTMObjectives of WRTM• Project TimetableProject Timetable

GABITES PORTER


• Objectives of WRTMObjectives of WRTM• Project TimetableProject Timetable• Data CollectedData Collected

GABITES PORTER


• Objectives of WRTMObjectives of WRTM• Project TimetableProject Timetable• Data CollectedData Collected• Model CapabilitiesModel Capabilities

GABITES PORTER


• Objectives of WRTMObjectives of WRTM• Project TimetableProject Timetable• Data CollectedData Collected• Model CapabilitiesModel Capabilities• Model FormModel Form

GABITES PORTER


• Objectives of WRTMObjectives of WRTM• Project TimetableProject Timetable• Data CollectedData Collected• Model CapabilitiesModel Capabilities• Model FormModel Form• Model Basic StatisticsModel Basic Statistics

GABITES PORTER


• Objectives of WRTMObjectives of WRTM• Project TimetableProject Timetable• Data CollectedData Collected• Model CapabilitiesModel Capabilities• Model FormModel Form• Model Basic StatisticsModel Basic Statistics• A Look at the FutureA Look at the Future

GABITES PORTER

Items to coverItems to cover• Objectives of WRTMObjectives of WRTM• Project TimetableProject Timetable• Data CollectedData Collected• Model CapabilitiesModel Capabilities• Model FormModel Form• Model Basic StatisticsModel Basic Statistics• A Look at the FutureA Look at the Future• Interesting IssuesInteresting Issues

GABITES PORTER

Objectives for the WRTMObjectives for the WRTM

1.1. A single transport model for the Waikato RegionA single transport model for the Waikato RegionAs opposed toAs opposed to

– Two modelling platformsTwo modelling platforms– Five different modelsFive different models

GABITES PORTER

Objectives for the WRTMObjectives for the WRTM

1.1. A single transport model for the Waikato RegionA single transport model for the Waikato RegionAs opposed toAs opposed to

– Two modelling platforms– Five different models

2.2. Quality data and modeling:Quality data and modeling:CurrentlyCurrently

– Previous Models used old or borrowed dataPrevious Models used old or borrowed data– Asking more of existing modelsAsking more of existing models

GABITES PORTER

Objectives for the WRTMObjectives for the WRTM1.1. A single transport model for the Waikato RegionA single transport model for the Waikato Region

As opposed toAs opposed to– Two modelling platformsTwo modelling platforms– Five different modelsFive different models

2.2. Quality data and modeling:Quality data and modeling:CurrentlyCurrently

– Previous Models used old or borrowed dataPrevious Models used old or borrowed data– Asking more of existing modelsAsking more of existing models

3.3. Minimise project and administration overhead:Minimise project and administration overhead:– Range of project managers and administratorsRange of project managers and administrators

GABITES PORTER

Project TimetableProject Timetable

• Project = Model Build + OperationProject = Model Build + Operation

GABITES PORTER


• Project = Model Build + OperationProject = Model Build + Operation• Contract signed 19th October 2007Contract signed 19th October 2007

GABITES PORTER


• Project = Model Build + OperationProject = Model Build + Operation• Contract signed 19th October 2007Contract signed 19th October 2007• Initial Completion date April 2009Initial Completion date April 2009

GABITES PORTER


• Project = Model Build + OperationProject = Model Build + Operation• Contract signed 19th October 2007Contract signed 19th October 2007• Initial Completion date April 2009Initial Completion date April 2009• Delayed by Home Interview SurveyDelayed by Home Interview Survey

GABITES PORTER


• Project = Model Build + OperationProject = Model Build + Operation• Contract signed 19th October 2007Contract signed 19th October 2007• Initial Completion date April 2009Initial Completion date April 2009• Delayed by Home Interview SurveyDelayed by Home Interview Survey• Clean HIS data available March 2009Clean HIS data available March 2009

GABITES PORTER


• Project = Model Build + OperationProject = Model Build + Operation• Contract signed 19th October 2007Contract signed 19th October 2007• Initial Completion date April 2009Initial Completion date April 2009• Delayed by Home Interview SurveyDelayed by Home Interview Survey• Clean HIS data available March 2009Clean HIS data available March 2009• Model build completed Jan 2010Model build completed Jan 2010

GABITES PORTER

Data CollectedData Collected

• Household Interview SurveysHousehold Interview Surveys

GABITES PORTER

Data CollectedData Collected• Household Interview SurveysHousehold Interview Surveys

– Survey March 2008 to January 2009 Survey March 2008 to January 2009 – Face-to-face interviews conductedFace-to-face interviews conducted– 2,000 Households (1,000 in Hamilton)2,000 Households (1,000 in Hamilton)– Saturday Survey for additional 500 HHsSaturday Survey for additional 500 HHs– Trip rates:Trip rates:

• Unexpanded = 9.4 daily person trips/HHUnexpanded = 9.4 daily person trips/HH• Expanded = 11.2 daily person trips/HHExpanded = 11.2 daily person trips/HH

GABITES PORTER


• Household Interview SurveysHousehold Interview Surveys• Roadside Interview SurveysRoadside Interview Surveys

GABITES PORTER

Data CollectedData Collected• Roadside Interview SurveysRoadside Interview Surveys

– Survey December 2007 to March 2008Survey December 2007 to March 2008– 18 locations in total18 locations in total– Auckland & Tauranga data borrowedAuckland & Tauranga data borrowed– All vehs, 1 direction, 12 hoursAll vehs, 1 direction, 12 hours– 6 Hamilton Sites ANPR6 Hamilton Sites ANPR

GABITES PORTER


• Household Interview SurveysHousehold Interview Surveys• Roadside Interview SurveysRoadside Interview Surveys• Bus Passenger Interview SurveysBus Passenger Interview Surveys

GABITES PORTER

Data CollectedData Collected• Bus Passenger Interview SurveysBus Passenger Interview Surveys

– Survey July 2008 to November 2008Survey July 2008 to November 2008– Survey 50% peak & 33% off-peak servicesSurvey 50% peak & 33% off-peak services – On-board interview surveyOn-board interview survey– Interviewed 4,700 passengersInterviewed 4,700 passengers– 30% sample (16k pax/day)30% sample (16k pax/day)– Expand to EW patronage dataExpand to EW patronage data

GABITES PORTER


• Household Interview SurveysHousehold Interview Surveys• Roadside Interview SurveysRoadside Interview Surveys• Bus Passenger Interview SurveysBus Passenger Interview Surveys• Census Data (JTW & Crosstabs)Census Data (JTW & Crosstabs)

GABITES PORTER


• Household Interview SurveysHousehold Interview Surveys• Roadside Interview SurveysRoadside Interview Surveys• Bus Passenger Interview SurveysBus Passenger Interview Surveys• Census Data (JTW & Crosstabs)Census Data (JTW & Crosstabs)• Traffic CountsTraffic Counts

GABITES PORTER


• Household Interview SurveysHousehold Interview Surveys• Roadside Interview SurveysRoadside Interview Surveys• Bus Passenger Interview SurveysBus Passenger Interview Surveys• Census Data (JTW & Crosstabs)Census Data (JTW & Crosstabs)• Traffic CountsTraffic Counts• Journey Time SurveysJourney Time Surveys

GABITES PORTER

Capabilities of the ModelsCapabilities of the Models

• Two modelsTwo models• Vehicle driverVehicle driver• PersonPerson

GABITES PORTER


• Vehicle DriverVehicle Driver• Includes light and heavy vehicles Includes light and heavy vehicles

separatelyseparately• Three periodsThree periods

• Morning Peak – 0700 to 0900Morning Peak – 0700 to 0900• Inter peak – 1100 to 1300Inter peak – 1100 to 1300• Evening peak – 1600 to 1800Evening peak – 1600 to 1800

GABITES PORTER


• Vehicle DriverVehicle DriverSuitable for Suitable for • Road network analysisRoad network analysis• Network operationNetwork operation• Landuse planningLanduse planning• Inputs to economic analysisInputs to economic analysis

GABITES PORTER


Person modelPerson modelOutputs are trips by modeOutputs are trips by mode

• Car DriverCar Driver• Car PassengerCar Passenger• Bus PassengerBus Passenger• Walk and CycleWalk and Cycle

GABITES PORTER


Person modelPerson model• Two PeriodsTwo Periods

• Morning Peak – 0700 to 0900Morning Peak – 0700 to 0900• Inter Peak – 1100 to 1300Inter Peak – 1100 to 1300

GABITES PORTER


Person modelPerson modelSuitable forSuitable for• Travel demand management analysisTravel demand management analysis• Bus Passenger service designBus Passenger service design• Land use PlanningLand use Planning

GABITES PORTER

Model FormModel Form

Standard three and four step modelsStandard three and four step models

GABITES PORTER


Standard three and four step modelsStandard three and four step modelsTrip generation – 10x4 category modelTrip generation – 10x4 category model

GABITES PORTER


Standard three and four step modelsStandard three and four step modelsTrip generation – 10x4 category modelTrip generation – 10x4 category modelGravity Distribution - -ve exponential Gravity Distribution - -ve exponential

functionsfunctions

GABITES PORTER



functionsfunctionsLogit mode split modelLogit mode split model

GABITES PORTER



functionsfunctionsLogit mode split modelLogit mode split modelAssignment – full Intersection modellingAssignment – full Intersection modelling

GABITES PORTER

Some Basic StatisticsSome Basic Statistics

900 Zones900 Zones

GABITES PORTER


900 Zones900 Zones8400 Nodes8400 Nodes

GABITES PORTER


900 Zones900 Zones8400 Nodes8400 Nodes20,000 Links20,000 Links

GABITES PORTER


900 Zones900 Zones8400 Nodes8400 Nodes20,000 Links20,000 Links13 Trip Purposes13 Trip Purposes

GABITES PORTER


900 Zones900 Zones8400 Nodes8400 Nodes20,000 Links20,000 Links13 Trip Purposes13 Trip PurposesThree step takes 6 minutes per Three step takes 6 minutes per periodperiod

GABITES PORTER


900 Zones900 Zones8400 Nodes8400 Nodes20,000 Links20,000 Links13 Trip Purposes13 Trip PurposesThree step takes 6 minutes per Three step takes 6 minutes per periodperiodFour step takes a little longerFour step takes a little longer

GABITES PORTER


900 Zones900 Zones8400 Nodes8400 Nodes20,000 Links20,000 Links13 Trip Purposes13 Trip PurposesThree step takes 6 minutes per Three step takes 6 minutes per periodperiodFour step takes a little longerFour step takes a little longerTRACKS softwareTRACKS software

GABITES PORTER

A look at the futureA look at the future

Deficiency analysis atDeficiency analysis at200620062021202120412041

GABITES PORTER

-50

50

150

250

350

450

550

Kil

om

etr

es

of

Ro

ad

Aff

ec

ted

by

LO

S

LOS F 0.9 43.6 72.1LOS E 30.2 56.5 109.6LOS D 42.8 93.7 129.8LOS C 107.5 171.8 210.7

2006 2021 20410

100

200

300

400

500

Nu

mb

er

of

Inte

rse

cti

on

s b

y L

OS

LOS F 22 50 83LOS E 23 19 35LOS D 38 44 54LOS C 210 223 287

2006 2021 2041

Example Model OutputsExample Model Outputs

GABITES PORTER

Example Model OutputsExample Model Outputs

Evening Peak Traffic Performance Index (2006=1.00)

0

0.5 1

1.5 2

2.5 3

3.5Vehicle kms

Link Vehicle Minutes

Link Mean Running Speed (kph)

Total Vehicle Intersection Delay (min)

Vehicles Subject to Intersection Delay

Intersection Delay per Vehicle (secs)

Total Vehicle Trips

Intrazonal Vehicle Trips

Vehicle Trips (Excluding Intrazonals)

Network Total Vehicle Minutes

Network Mean Network Speed (kph)

Average Trip Distance in kms

Average Trip Time in Minutes

2006

2021

2041


0

0.5 1

1.5 2

2.5 3

3.5Vehicle kms






Total Vehicle Trips







2006

2021

2041


0

0.5 1

1.5 2

2.5 3

3.5

Vehicle kms






Total Vehicle Trips







2006

2021

2041


0

0.5 1

1.5 2

2.5 3

3.5

Vehicle kms






Total Vehicle Trips







2006

2021

2041

GABITES PORTER

Hamilton Hamilton PM peak LOSPM peak LOS

5.0km

20062006

Key Link LOS

Road

LOS D

LOS E

LOS F

GABITES PORTER 5.0km

Key Link LOS

Road

LOS D

LOS E

LOS F


20212021

GABITES PORTER 5.0km

Key Link LOS

Road

LOS D

LOS E

LOS F


20412041

GABITES PORTER

Interesting IssuesInteresting Issues

• Geographic coverageGeographic coverage

GABITES PORTER


• Geographic coverageGeographic coverage• Household Interview SurveysHousehold Interview Surveys

- - hiringhiring- data integrity/stops vs trips- data integrity/stops vs trips- expansion/under-reporting- expansion/under-reporting

GABITES PORTER




• Trip rates (urban/rural)Trip rates (urban/rural)

GABITES PORTER




• Trip rates (urban/rural)Trip rates (urban/rural)• Distribution functions (urban/rural)Distribution functions (urban/rural)

GABITES PORTER

Questions?Questions?

waikato regional transportation model

Documents