Telematics Applications in BAvaria, SCotland and Others

 

Project number TR1054

Deliverable number 8.2

Deliverable type: Internal

Deliverable due date: September 1997

 

Date: September 1997

Workpackage number: 8

Workpackage title: Urban Integrated Traffic Control

Nature of deliverable: Internal Report

 

 

Telematics Applications in BAvaria, SCotland and Others

Project number TR1054

Deliverable number 8.2

 

Deliverable type: Internal

Deliverable due date: September 1997

Date: September 1997

Urban Integrated Traffic Control

Implementation Strategies

Workpackage number: 8

 

Workpackage title: Urban Integrated Traffic Control

Nature of deliverable: Internal Report

 

by

Tom McLean, Glasgow City Council

Colin Brader, Atkins Wootton Jeffreys

Christina Diakaki, Technical University of Crete

Markos Papageorgiou, Technical University of Crete

Stefan Hangleiter, Steierwald Schönharting und Partner

Maria Tsavachidis, Technische Universität München

Christophe Damas, CÉTÉ de Lyon

 

ABSTRACT

TABASCO Workpackage eight “Urban Integrated Traffic Control” aims to develop, validate, stimulate and demonstrate integrated traffic control, harmonising motorway and UTC control techniques across the interface between inter-urban and urban environments. Workpackage eight addresses the technical performance of integrated control techniques, their network impacts and socio-economic effects, legal/institutional questions and user acceptability.

This report presents the development of integrated control software architecture in the three demonstration sites of Glasgow, Munich and Lyon. In Munich this has involved the integration of AIDA and VARIA as well as defining links between the STRAMA and NEMO network assessment tools. In Glasgow a context for integration exists with the NADICS control centre. Here the control strategies developed off line using the METACOR model will link two systems that reside within the same control centre and share the same communication protocol. Within Lyon Control strategies have been produced and tested by the INTEGRATION model to link the PASCAL and CORALLY control centres.

In Glasgow and Lyon control strategies are developed off line and implemented automatically when the pre requisite traffic conditions are found to exist. In Munich control strategies are also developed off line but implementation is only undertaken if environmental and traffic impact criteria are satisfied.

The detailed control processes and implementation architecture defined herein will lead to demonstration field trials at each city during Summer/Autumn 1997.

Keyword list: Control, Integration, Model, Glasgow, Munich, Lyon

 

EXECUTIVE SUMMARY

The primary objective of Work Package 8, Urban Integrated Traffic Control, of the TABASCO project is to develop, validate, simulate and subsequently demonstrate integrated traffic control, harmonising motorway and UTC control techniques across the interface between inter-urban and urban environments. Such integrated control is designed to achieve greater network efficiency by improved response to recurrent and non-recurrent events, including road works and incidents, and to better inform drivers of such conditions. WP8 is designed to address the technical performance of integrated control techniques, their network impacts and socio-economic effects, legal/institutional questions and the user acceptability of the control measures adopted. The work package involves demonstrations in Glasgow, Lyon and Munich. Belfast and Edinburgh are active follower sites.

This report presents the development of integrated control software architecture in Munich, Glasgow and Lyon based upon validated control models, TABASCO deliverable 8.1.

The report has built upon the model definition and verification detailed in deliverable 8.1 by defining the considerations both physical and institutional to be made when arriving at acceptable control strategies. From this base control strategies are developed that integrate the motorway and urban networks using VMS and UTC. In Munich this has involved the integration of AIDA and VARIA as well as defining links between the STRAMA and NEMO network assessment tools. In Glasgow a context for integration exists with the NADICS control centre. Here the control strategies developed off line using the METACOR model will link two systems that reside within the same control centre and share the same communication protocol. Within Lyon Control strategies have been produced and tested by the INTEGRATION model to link the PASCAL and CORALLY control centres.

In Glasgow and Lyon control strategies are developed off line and implemented automatically when the pre requisite traffic conditions are found to exist. In Munich control strategies are also developed off line but implementation is only undertaken if environmental and traffic impact criteria are satisfied.

Traffic problems in cities are commonly peak hour, implying tidal flow. The strategies developed in Glasgow and Munich reflect this tidality looking to divert to parallel alternatives. Lyon are looking to a network based solution that has raised its own interesting problems related to acceptable and non acceptable routes which can accept diverting traffic.

The detailed control processes and implementation architecture defined herein will lead to demonstration field trials at each city during Summer/Autumn 1997.

 

Table of Contents

1. INTRODUCTION

1.1 The TABASCO Context

1.2 Control Models in Context

1.3 The Test Sites

1.4 Form of Report

2. GENERAL CONSIDERATIONS

2.1 Introduction

2.2 Munich

The Control Task
Urban Network
Motorway Network

2.3 Glasgow

The Demonstration Site
The Control Task
Traffic Lights Settings
VMS Settings

2.4 Lyon

Traffic control objectives
Traffic control Strategy Definition
Institutional/operational limitations

3. DATA REQUIREMENTS

3.1 Introduction

3.2 Munich

3.3 Glasgow

3.4 Lyon

4. CONTROL PROCESS IN DETAIL

4.1 Introduction

4.2 Munich

Integration of AIDA / VARIA
Simulation with NEMO / STRAMA

4.3 Glasgow

Basic Blocks of the Control Software Architecture
Data Processing
Application of Control Laws
Control Decisions
Implementation Matters
Institutional Issues and The Approval of Control Strategies

4.4 Lyon

General Architecture
Traffic Configuration Classification
The traffic capacity reserve evaluation for each class of traffic for each section of the network
The calibration of the graveness formula for each section
The scenario definition
The measure definition
The simulation and validation process
Control Strategy Approval

5. SUMMARY AND CONCLUSION

REFERENCES 58

 

Appendix A Munich: The AIDA Module

Appendix B Lyon: Form of INTEGRATION Model