Jérôme FERRE –- p. 1

VIKING Workshop Best practices on monitoring

deployment

Enhancing Data Quality

Jérôme FERRE

Société des Autoroutes Paris-NormandieFrance

Jérôme FERRE –- p. 2

VIKING Workshop Best practices on monitoring

deployment

Contents

1. Context1. Context

2. Needs2. Needs

3. SAPN Objectives 3. SAPN Objectives

4. SAPN Implementations4. SAPN Implementations

Quality of InformationQuality of Information

5. Conclusion5. Conclusion

Jérôme FERRE –- p. 3

VIKING Workshop Best practices on monitoring

deployment

• 367 km motorway network

• high traffic volume

• access to several urban areas and ports

• weekend destinations:

Deauville, Honfleur, …,

from April to November

• regular traffic jams on Sunday evenings

SAPN : Paris-Normandy Motorway Company

ContextContext

Jérôme FERRE –- p. 4

VIKING Workshop Best practices on monitoring

deployment

Quality for Road Network operators (for everyday tasks)

Quality for end users (clients)

End user traffic information services are more and more effective

End users are beginning to pay for value added traffic information

A great quantity of raw data to process in order to enhance new services such as Travel Times, Traffic Forecast, etc.

No more total manual control of the information

A large diversity of medias (VMS, internet, Wap, IVR, Radio 107.7FM ...)

ContextContext

Why deal with quality?

Jérôme FERRE –- p. 5

VIKING Workshop Best practices on monitoring

deployment

SAPN Information network

Collection Processing

Common platform SSA

Services enhancement

Dissemination

Communication centre

ContextContext

Jérôme FERRE –- p. 6

VIKING Workshop Best practices on monitoring

deployment

Quality for collection

Quality for raw data

Quality for processing information

Quality for traffic management tools

Quality for traffic information services development

Quality for dissemination

Etc ...

Quality must be along the "Chain" (Collection, Processing, Dissemination)!

NeedsNeeds

Jérôme FERRE –- p. 7

VIKING Workshop Best practices on monitoring

deployment

to improve the quality of raw data

to improve processing

to guarantee the availability of traffic management tools

to integrate many types of data and enhance services with a limited number of sources

to guarantee the availability of end user traffic information services

to evaluate the quality of the whole « Chain »

SAPN ObjectivesSAPN Objectives

Jérôme FERRE –- p. 8

VIKING Workshop Best practices on monitoring

deploymentSAPN ImplementationSAPN Implementation

SAPN actions for quality in Data Collection:

Development of new IR radar counting stations with GPRS communication =>

Simple and robust solution (non-intrusive),

Autonomous (Energy and communication),

Facilitated maintenance,

Low costs permit installation of a high density of stations.

Jérôme FERRE –- p. 9

VIKING Workshop Best practices on monitoring

deploymentSAPN ImplementationSAPN Implementation

Jérôme FERRE –- p. 10

VIKING Workshop Best practices on monitoring

deploymentSAPN ImplementationSAPN Implementation

SAPN has established a common platform for collecting traffic and weather data:

Collection of all data coming from different motorway roadside systems, regardless of their nature (Traffic, Weather, Tolls).

Apply processes to raw data from roadside systems in order to guarantee the quality.

Distribution of data from a unique platform to « user client applications ».

Supervision and management of roadside data collection systems. Display of raw information under a single format for different users.

SAPN actions for raw data quality :

Jérôme FERRE –- p. 11

VIKING Workshop Best practices on monitoring

deploymentSAPN ImplementationSAPN Implementation

Collection

Common Platform

Processes

DisplayManagement

Travel timesTraffic and weather forecasts

Distribution

SSA

Supervision

Jérôme FERRE –- p. 12

VIKING Workshop Best practices on monitoring

deployment

To guarantee the availability of traffic management toolsSAPN has completed the resilience and robustness of the

core of its traffic management system. To help the TIC operators in the management of events

Development of an Expert System proposing action plans to the operators,

Limitation of manual input, Centralisation of the Alarms and Alerts.

SAPN ImplementationSAPN Implementation

SAPN actions for quality in Data Processing :

Jérôme FERRE –- p. 13

VIKING Workshop Best practices on monitoring

deployment

To guarantee the availability of end user traffic information services SAPN has a common and secure dissemination platform

on different medias (Web, Wap, SVI, etc.)

To evaluate the quality on the whole « Chain » All information processed for different media (services) is

tracked, and saved.

SAPN ImplementationSAPN Implementation

SAPN actions for quality in data dissemination :

Jérôme FERRE –- p. 14

VIKING Workshop Best practices on monitoring

deployment

Thanks to these actions : SAPN is now capable of tracking the quality of information, Currently 100 % of raw data is checked, The raw data database is complete at 98%, Proving a solid base for information processing and service

delivery, Efficient traffic management. SAPN customers survey shows that 93% of the drivers

judged reliable “traffic information services”

ConclusionConclusion

Jérôme FERRE –- p. 15

VIKING Workshop Best practices on monitoring

deployment

The need for quality is very important for traffic management and for end user traffic services

Quality extends from data collection to data dissemination What has been done by SAPN in France could be done elsewhere

in Europe

For SAPN, the implementation of quality control is a first step for enhancing quality:

Quality must be a continuous process

ConclusionConclusion

Jérôme FERRE –- p. 16

VIKING Workshop Best practices on monitoring

deployment

Thank you for your attention!

For more information:

j.ferre@sapn.fr

Questions ?

Enhancing Data Quality Enhancing Data Quality