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Iran Network and Transit Modeling and Forecasting Using EMME/2. Mahboobeh Zakeri Sohi ENTRAConsultants 21st International EMME Users Conference 10-12 October, 2007 Email Address: MZS@entraconsultants.com Tel. 905 946-8900, Mobile: 647 218-0300, Fax: 905 946-8966

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iran network and transit modeling and forecasting using emme 2

Iran Network and Transit Modeling and Forecasting Using EMME/2

MahboobehZakeriSohi

ENTRAConsultants

21st International EMME Users Conference

10-12 October, 2007

Email Address: MZS@entraconsultants.com

Tel. 905 946-8900, Mobile: 647 218-0300, Fax: 905 946-8966

2800 Fourteenth Avenue, Suite 210, Markham, Ontario L3R 0E4

iran major transportation projects using emme 2

Iran Major Transportation Projects Using EMME/2

Tehran Transportation Master Plan

Mashad Transportation Master Plan

Shiraz Transportation Master Plan

Kermanshah Transportation Master Plan

Isfahan Transportation Master Plan

Ghom Transportation Master Plan

Mashad Aggregated Transit plan

Optimization of Tehran Transit System

Tehran Metro Studies

Shiraz Light Rail Transit Study

Mashad Bus Rapid Transit System

Uromieh Transportation Master Plan

transportation planning process
Transportation Planning Process

Study Area

Socio-Economic

and Land Use

O-D Survey

Network and

Transit Modeling

Travel Demand Modeling, Trip

Forecasting, Model Validation

Detecting the Existing

Situation (Do Nothing)

Screen line Data

Preparing Models

Of Scenarios

Land Use

Trip Forecasting

And Assignment

Future/Scenarios

TDM and TSM

Evaluation Criteria

Definition

Scenarios

Assessment

Scenario

Selection

Scenario Combination,

Assessment and Final

Suggested Plan

slide4

O-D surveys

    • Habitants, by Secondary School Students
    • Intercity Bus Terminals
    • Airport and Railway Station
    • Cordon
    • Goods
  • Complementary Surveys
    • Network and Transit inventory
    • Screen line
    • Path Travel time
  • Trip Purposes
    • Working, Education, Shopping, Recreational, Personal (Medical and …), Non home based, Pilgrimage
  • Vehicle Types
    • Car, Taxi, Jitney, Transit Bus, Private or Service Bus, Small Pick up Truck, Mini Bus, Motorcycle, Bicycle, Heavy vehicles
auxiliary software
AuxiliarySoftware
  • Network and Transit Modeling Software for:
      • Data base/ Data Entry
      • Controls/Checking
      • Initial Information Reports
      • EMME/2 Inputs
      • Final Reports (Graphs or Tables using the EMME/2 Reports)
four stage travel demand modeling procedure

Daily Trip Generation

Daily Trip Attraction

Adjusting Trip Attraction

By Trip Generation

Daily Trip Distribution

Peak Hour O-D Matrices

Travel Demand Diversion Model

for High Speed Transit System

Mode Choice

Auto & Transit Travel

Demand Matrices (Trip Person)

Auto Travel Demand

(Trip Vehicle)

Aggregation of Auto Trip Matrices

(Auto Equivalent Passenger Car)

Auto & Transit

Assignment

Four-stage Travel Demand Modeling Procedure

if N<a

slide9

Mode Choice ModelsThe Trip Generated or Producted Is Divided Between the Vehicles by Their Utility Functions:

Diagram of Trip Percent Shifted to Transit System From the Other Vehicles Due to the Metro

multimodal assignment procedure
Multimodal Assignment Procedure

Auto assignment

  • N: The Number of Active Buses
  • voleqtr: The Bus Equivalent Passenger Car
  • vauteq: The Bus Equivalent Passenger Car Factor
  • hdwy: Headway of Bus Rout
  • lay1 and lay2: The stop over in the Beginning End of Rout
  • timtr: Transit Travel Time for the Rout (A function of Auto Travel Time)
  • speed: Initial Speed for the bus Rout
  • len: The Length of Route

Transit Assignment

Auto assignment

Transit Assignment

complementary models
Complementary Models
  • Car Ownership Model

Function of Income and Macro Policies

  • Auto Travel Time Functions

Function of Total Volume (Total Equivalent Passenger Car, Auto and Transit))

  • Intersection Delay Time Functions

Function of Total Volume (Total Equivalent Passenger Car, Auto and Transit))

  • Transit Time Function

Function of Auto Travel Time

  • Dwell Time Models

Dependent to Boarding Numbers, Bus Type, The Number of Bus Doors, Validated by a Survey Results

  • Terminal Location Finding Models

Based on Mathematical Programming Model and a Function of Potential of Boarding and Alighting at Nodes

  • Air Pollutions and fuel models
using the transportation model of cities provided by emme

Using the Transportation Model of Cities provided by EMME

Transportation Studies and Projects

Tehran Bus Network re-design in order to adjust with Metro Lines

Updating the Transportation System Data

Tehran Transportation System Data in 2003

slide13

Optimization the Efficiency of Tehran Transit System including Bus and Metro (Through Bus Network design in order to adjust with Metro Lines)

bus network design procedure using mathematical programming model for terminal location finding

Bus Network Design Procedure Using Mathematical Programming Model for Terminal Location Finding

Virtual transit network with the highest access for users

Travel and transit demand forecasting and assignment

Calculating the potential of nodes as terminal with the model using the outputs of EMME/2

Defining the number and location of terminals (output of Mathematical Programming Model)

Designing the transit routes by connection between terminals

Determine the bus stops location

Travel and transit forecasting and assignment for new transit system

Fleet allocation

the structure of designed bus system to adjust with metro lines 2001
The Structure of Designed Bus System to adjust with Metro Lines, 2001

The Number of Routes:

2

4

6

8

10

TCTTS

the forecasted transit bus and metro passengers in morning peak hour 2001
The Forecasted Transit (Bus and Metro) Passengers in Morning Peak hour, 2001.

The Number of

Passengers:

2000

4000

6000

8000

10000

TCTTS

the forecasted boarding and alighting at transit stops in morning peak hour 2001
The Forecasted Boarding and Alighting at Transit Stops in Morning Peak Hour, 2001

The number Boarding and Alighting:

1000

2000

3000

4000

TCTTS

slide22

General Information of Tehran in 2003

Length of Tehran Major Network in 2003

tehran bus transit general information in 2003

Tehran Bus Transit General Information in 2003

Operational indexes of Transit System (Bus and Metro) of Tehran in Morning Peak Hour, 2003

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