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

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

  • 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

slide2
Titre de la réunion

Sommaire

ONDT

Specificities

ISIS Database

Observation, analysis, action :

Mapping System

ondt the genesis
Titre de la réunionONDT : 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
slide4
Titre de la réunion

ONDT

Specificities

ISIS Database

Observation, analysis, action :

Mapping System

specificitiess
Titre de la réunionSpecificitiess
  • 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
slide6
Titre de la réunion

ONDT

Specificities

ISIS Database

Observation, analysis, action :

Mapping System

isis database
Titre de la réunionISIS 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
slide8
Titre de la réunion

ONDT

Specificities

ISIS Database

Observation, analysis, action :

Mapping System

mapping system
Titre de la réunionMapping System
  • Know delinquency :
      • Illustrative mapping
  • Understand delinquency :
      • Strategic mapping
  • Anticipate delinquency :
      • Animated mapping
illustrative mapping where when
Titre de la réunionIllustrative 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 réunionStrategic 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 réunionStrategic 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 réunionAnimated 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 réunionRecommendations
  • 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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