The research is structured based on an analysis of data from the last four years (SIGE Database 2021-2024) made available by the DiGIFeMa. The aim is to identify the most common level crossing accidents, hypothesize their primary causes, and then study mitigation measures. The first chapter briefly presents the cases of road-railway interference where the two infrastructures must intersect. The second chapter explores the so-called "level crossing" intersection, including the characteristics and typical typologies of this solution, as well as the safety measures applied for both railways and road traffic. The third chapter, after a brief presentation of the data for the four-year period under consideration (2021-2024), presents the types of dangerous events (identified through Event Tree Analysis) that can occur at a railway crossing. All events present in the SIGE database are then analyzed and classified to quantify the events for each type. The fourth chapter examines the mitigation measures (both technological and organizational) deemed appropriate to address some of the accident scenarios identified in the third chapter. These include the installation of PAI-PL systems to automatically ensure the level crossing area is clear of obstacles, the implementation of Pr-PLp systems to automatically manage requests for private level crossing openings and to alert the system in the event of unauthorized opening, and finally, the amendment to the “Nuovo Codice della Strada” to clarify the need to break down barriers in the event of entrapment on the tracks and to introduce the possibility of automatic systems to monitor compliance with regulations at railways crossings. The fifth chapter analyzes data from a questionnaire specifically designed to verify the effectiveness of the organizational measures regarding the amendment to the NCdS and the introduction of the possibility of installing automatic systems to detect level crossing violations. In the end, the sixth chapter reports the conclusions of the entire analysis on accidents at level crossings, on the applicable mitigation measures, and the considerations regarding the improvement of the data collection system, which is essential for verifying the effectiveness of the mitigation measures adopted over time.
La ricerca è strutturata a partire dall’analisi dei dati di eventi dell’ultimo quadriennio (Banca Dati SIGE 2021-2024) messi a disposizione dalla Direzione Generale per le Investigazioni Ferroviarie e Marittime in modo da identificare le casistiche di incidentalità ai passaggi a livello più diffuse e contestualmente ipotizzarne le cause primarie e studiare quindi gli interventi mitigativi per le stesse. Nel primo capitolo sono presentate in modo sintetico le casistiche di interferenza strada-ferrovia nel caso in cui le due infrastrutture debbano incrociarsi. Nel secondo capitolo è approfondita l’intersezione cosiddetta “Passaggio a livello” comprensiva delle caratteristiche e delle tipologie tipiche di questa soluzione, delle misure di sicurezza applicate sia dal punto di vista ferroviario, sia da quello della viabilità stradale. Nel terzo capitolo, dopo una breve presentazione dei dati del quadriennio preso in esame (2021-2024), sono proposte le tipologie di eventi pericolosi (identificate tramite delle Event Tree Analysis) che possono avvenire ad un passaggio a livello e successivamente sono analizzati e classificati tutti gli eventi presenti in Banca Dati SIGE in modo da quantificare gli eventi per ogni tipologia. Nel quarto capitolo sono prese in esame le misure mitigative (sia tecnologiche sia organizzative) ritenute adatte per contrastare alcune delle casistiche di incidentalità individuate nel terzo capitolo, in particolare l’installazione dei sistemi PAI-PL per il controllo automatico che l’area del PL sia libera da ostacoli, l’implementazione di sistemi Pr-PLp per la gestione automatizzata delle richieste di apertura PLp e l’allarme al sistema in caso di apertura indebita e infine la modifica al Nuovo Codice della Strada per esplicitare la necessità di abbattere le barriere in caso di intrappolamento sui binari e per introdurre la possibilità di sistemi automatici di controllo del rispetto delle norme al passaggio a livello. Nel quinto capitolo vengono analizzati i dati di un questionario ideato appositamente per cercare di verificare l’efficacia delle misure organizzative riguardanti la modifica del NCdS e l’introduzione della possibilità di installare dei sistemi automatici per rilevare le infrazioni ai PL. Infine nel sesto capitolo sono riportate le conclusioni dell’intera analisi sull’incidentalità ai passaggi a livello, sulle misure mitigative applicabili e le considerazioni rispetto al miglioramento del sistema di raccolta dati, imprescindibile per poter verificare l’efficacia nel tempo delle misure mitigative adottate.
Sicurezza della circolazione ai passaggi a livello: analisi del fenomeno incidentale e di possibili misure mitigative
AMIANTI, MARIO
2024/2025
Abstract
The research is structured based on an analysis of data from the last four years (SIGE Database 2021-2024) made available by the DiGIFeMa. The aim is to identify the most common level crossing accidents, hypothesize their primary causes, and then study mitigation measures. The first chapter briefly presents the cases of road-railway interference where the two infrastructures must intersect. The second chapter explores the so-called "level crossing" intersection, including the characteristics and typical typologies of this solution, as well as the safety measures applied for both railways and road traffic. The third chapter, after a brief presentation of the data for the four-year period under consideration (2021-2024), presents the types of dangerous events (identified through Event Tree Analysis) that can occur at a railway crossing. All events present in the SIGE database are then analyzed and classified to quantify the events for each type. The fourth chapter examines the mitigation measures (both technological and organizational) deemed appropriate to address some of the accident scenarios identified in the third chapter. These include the installation of PAI-PL systems to automatically ensure the level crossing area is clear of obstacles, the implementation of Pr-PLp systems to automatically manage requests for private level crossing openings and to alert the system in the event of unauthorized opening, and finally, the amendment to the “Nuovo Codice della Strada” to clarify the need to break down barriers in the event of entrapment on the tracks and to introduce the possibility of automatic systems to monitor compliance with regulations at railways crossings. The fifth chapter analyzes data from a questionnaire specifically designed to verify the effectiveness of the organizational measures regarding the amendment to the NCdS and the introduction of the possibility of installing automatic systems to detect level crossing violations. In the end, the sixth chapter reports the conclusions of the entire analysis on accidents at level crossings, on the applicable mitigation measures, and the considerations regarding the improvement of the data collection system, which is essential for verifying the effectiveness of the mitigation measures adopted over time.| File | Dimensione | Formato | |
|---|---|---|---|
|
Amianti_Mario.pdf
accesso aperto
Dimensione
3.37 MB
Formato
Adobe PDF
|
3.37 MB | Adobe PDF | Visualizza/Apri |
The text of this website © Università degli studi di Padova. Full Text are published under a non-exclusive license. Metadata are under a CC0 License
https://hdl.handle.net/20.500.12608/101828