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Sulla base delle sue coordinate ogni incidente è stato associato al tratto stradale più vicino al di sotto dei 50 m.

E' un elaborazione della Regione Piemonte su dati ISTAT.

Riferimento temporale: anno 2017.

Sorgenti dati: 

- Smart Data Platform

- BDTRE (Grafo TGM)</gco:CharacterString>
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        <gco:CharacterString>1. INCIDENTI PER TRATTI -- STRADA

formula: n. incidenti

campi: inc_tr -- inc_s



2. INCIDENTI CON MORTI PER TRATTI -- STRADA

formula: n. incidenti con morti

campi: inc_morti_tr -- inc_morti_s



3. INCIDENTI CON FERITI PER TRATTI -- STRADA

formula: n. incidenti con feriti

campi: inc_feriti_tr -- inc_feriti_s



4. TASSO DI INCIDENTALITÀ SU FLUSSO PER TRATTI -- STRADA

formula: (n. incidenti / TGM * n. giorni * lunghezza) * 10^6

campi: t_incidentalita_flusso_tr -- t_incidentalita_flusso_s

 

5. TASSO DI INCIDENTALITÀ CON MORTI SU FLUSSO PER TRATTI -- STRADA

formula: (n. incidenti con morti /TGM * n. giorni * lunghezza)* 10^6

campi: t_incidentalita_morti_flusso_tr -- t_incidentalita_morti_flusso_s



6. TASSO DI INCIDENTALITÀ CON FERITI SU FLUSSO PER TRATTI -- STRADA

formula: (n. incidenti con feriti /TGM * n. giorni * lunghezza)* 10^6

campi: t_incidentalita_feriti_flusso_tr -- t_incidentalita_feriti_flusso_s



7. TASSO DI MORTALITÀ SU FLUSSO -- STRADA

formula: (n. morti / TGM*n. giorni*lunghezza)* 10^6

campi: t_mortalita_flusso_tr -- t_mortalita_flusso_s



8. TASSO DI LESIVITÀ SU FLUSSO -- STRADA

formula: ((n. morti + n. feriti) / TGM * n. giorni * lunghezza)* 10^6

campi: t_lesivita_flusso_tr -- t_lesivita_flusso_s



9. TASSO DI FERIMENTO SU FLUSSO -- STRADA

formula: (n. feriti / TGM * n. giorni * lunghezza)* 10^6

campi: t_ferimento_flusso_tr -- t_ferimento_flusso_s



dove:

TGM = numero di veicoli transitati mediamente in un giorno per anno di riferimento sul tratto stradale omogeneo 

lunghezza = lunghezza del tratto stradale omogeneo in km

n. giorni = numero del periodo di analisi (per 1 anno = 365)

106 = fattore moltiplicativo per leggibilità indicatore (vedi tabelle DM) 

veicoli * km = percorrenze medie giornaliere sull’arco stradale







NOTE:

Le aggregazioni dei tratti sono state determinate sulla base delle informazioni disponibili sul grafo stradale regionale dando priorità alle strade sovracomunali rispetto alle strade comunali.

Gli indicatori per strada sono stati ottenuti con la formula equivalente a quella del tratto nella quale i termini sono stati dapprima calcolati coma somma di tutti i termini equivalenti dei tratti che compongono la strada.</gco:CharacterString>
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                    <gmx:Anchor xlink:href="http://data.europa.eu/eli/reg/2010/1089">REGOLAMENTO (UE) N. 1089/2010 DELLA COMMISSIONE del 23 novembre 2010 recante attuazione della direttiva 2007/2/CE del Parlamento europeo e del Consiglio per quanto riguarda l'interoperabilità dei set di dati territoriali e dei servizi di dati territoriali</gmx:Anchor>
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- Smart Data Platform

- BDTRE (Grafo TGM)

Eseguita attività di associazione delle geometrie dei singoli incidenti ai tratti del grafo contenente il TGM per l'anno di interesse.

Successivamente effettuate tutte le operazioni necessarie al calcolo degli indicatori.

In ultimo svolte tutte le attività finalizzate all'eposizione dei servizi geografici.</gco:CharacterString>
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