Mapping a tool for analyzing delinquency in mass transport networks
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Fabrice Fussy, in charge of the Analysis and Research Unit of the National Monitoring Center of Delinquency in Transports (ONDT) [email protected] 1st French-US Workshop on the Role of Public Transport in Creating Livable and Sustainable Communities

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Mapping: a Tool for Analyzing Delinquency in Mass Transport Networks

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Mapping a tool for analyzing delinquency in mass transport networks

  • Fabrice Fussy, in charge of the Analysis and Research Unit of the National Monitoring Center of Delinquency in Transports (ONDT)

  • [email protected]

  • 1st French-US Workshop on the Role of Public Transport in Creating Livable and Sustainable Communities

  • January 28, 2011

Mapping: a Tool for Analyzing Delinquency in Mass Transport Networks

Direction générale des infrastructures, des transports et de la mer


Mapping a tool for analyzing delinquency in mass transport networks

Titre de la réunion

Sommaire

ONDT

Specificities

ISIS Database

Observation, analysis, action :

Mapping System


Ondt the genesis

Titre de la réunion

ONDT : the Genesis

  • 2001 : creation of a mission in charge of security and deliquency prevention

  • 2006 : creation of the National Monitoring Center of Security in Rail and Mass Transports (ONSTFC)

  • 2008 : creation of the National Monitoring Center of Delinquency in Transports (ONDT)

  • Strengthen and develop the fight against delinquency policy

  • Carry out the follow-up of the level of delinquency and assess the actions


Mapping a tool for analyzing delinquency in mass transport networks

Titre de la réunion

ONDT

Specificities

ISIS Database

Observation, analysis, action :

Mapping System


Specificitiess

Titre de la réunion

Specificitiess

  • Specificities of the geographical approach of deliquency in transports :

Static geography (stations,…)

Spatial Dimension

Dynamic geography (trains, streetcars…)

Open spaces (stations, bus stops…)

Social Dimension

Closed spaces (underground…)

Daily breathing (home-workplace)

Time Dimension

Seasons (school holidays…)

  • development of a tool adapated to these specificities


Mapping a tool for analyzing delinquency in mass transport networks

Titre de la réunion

ONDT

Specificities

ISIS Database

Observation, analysis, action :

Mapping System


Isis database

Titre de la réunion

ISIS Database

  • Currently :

  • Gathers all the facts reported to the two main transport operators since 1999, that is, over a million acts

  • In a close future :

  • - integration of the acts reported to other transport operators

  • - integration of acts reported to the police


Mapping a tool for analyzing delinquency in mass transport networks

Titre de la réunion

ONDT

Specificities

ISIS Database

Observation, analysis, action :

Mapping System


Mapping system

Titre de la réunion

Mapping System

  • Know delinquency :

    • Illustrative mapping

  • Understand delinquency :

    • Strategic mapping

  • Anticipate delinquency :

    • Animated mapping


Illustrative mapping where when

Titre de la réunion

Illustrative mapping : Where ? When ?

  • Better know delinquence :

    • Accurately represent results indicators

    • Analyze the geographic distribution of delinquency acts

    • Find the concentration areas, the hot spots


Strategic mapping why

Titre de la réunion

Strategic mapping : why ?

  • Better understand delinquency :

    • Cross different types of indicators : result indicators and context indicators

    • Detect the interactions between delinquency and its environment

  • Use of a Geographic Information System


Strategic mapping why1

Titre de la réunion

Strategic mapping : why ?

  • Allocate a specialisation to a territory :

  • Location ratio method

The Location ratio of a type of act for a given site compares the contribution of this site for this type of act to the contribution of this site for all the acts recorded : overrepresentation

Formula :

Ci : number of acts of type i

Ct : total number of acts

n : analyzed spatial unit

N : total territory analyzed

  • Ex : specialisation of French cities and departement in Ile-de-France


Animated mapping what moment

Titre de la réunion

Animated mapping: what moment ?

  • Better anticipated delinquenc :

    • Represent jointly time and space

    • Observe breathing and seasonal effects

    • Detect delinquency transfers

  • Ex : Monthlty profil of metal robberies and

  • the evolution of Copper price


Recommendations

Titre de la réunion

Recommendations

  • Promote the use of delinquency mapping at a strategic level

  • Disseminate a methodology guide for the mapping of delinquency in mass transports


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