road safety inspection (rsi)
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Road Safety Inspection (RSI)Basil Psarianos, ProfessorNat’l Tech. Univ. Athensbpsarian@mail.ntua.gr
The Problem
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SOLUTION APPROACH BY E.C.
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Four Approach Schemes
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P R O A C T I V E
Four Approach Schemes
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P R O A C T I V E
RSI- Paris Definition of 2007
Road safety inspection is –a formal systematic road safety
assessment of road or road scheme carried out by
–an independent, qualified inspector or team of inspectors who
– report on the existing road accident potential for all kinds of road users.
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RSI: Some Clarifications
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R o a d S a f e t y I s s u e s P a r t o f I t
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RSI: Some Clarifications
• NOT ONLY ON BLACKSPOTS
• MANDATORY ON TRANS-EUROPEAN NETWORK
• Any reason not to apply it on the rest of Road Network?
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Necessity of RSI
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Before vs After
Without RSI With RSI
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Before vs After
BEFORE
AFTER
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Before vs After
BEFORE AFTER
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Before vs After
BEFORE AFTER
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Before vs After
Before After
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SHOULDER IMPROVEMENT
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RSI-CONTENT
• Routine Inspections and Inspections of Road Works (Annex III of the Directive)
• Inspections undertaken regularly by Competent Authority
• Frequency Inspections as needed for adequate levels of Road Safety
• Member States shall adopt guidelines for Temporary Safety Measures to Road Works
• Appropriate Inspection Scheme to assure Proper Application of Guidelines
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i.e.
• Pavement Drop-Offs
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The Principles of RSI (good practice)
• Elements of RSI represent risk factors for accidents
• Standardized activities to ensure inclusion of all elements in a objective manner
• Use Checklists at least initially
• For each element included a standardized assessment should follow based on 3 categories:– Traffic hazard that needs immediate action
– Element is deviating from accessible standards but no short term action is needed. FOLLOW UP.
– Element complies with accepted standards and in good condition
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The Principles of RSI (good practice) cont’d
• Document findings and propose safety measures in STANDARDIZED form
• Inspectors should be qualified for the job. Conduct regular meetings for experience and ideas exchange
• FOLLOW-UP of RSI findings. CHECK whether implemented or not.
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Annex III
• Delimitation of Road Section
• Previous Reports on Same Sections
• Analysis of Accident Reports
• Number of Fatalities and Injuries in past 3 Years
• Set of Remedial Measures for Next (1) Year:– Removal/protection of roadside obstacles
– Speed limits and Enforcement
– Visibility under various conditions
– Condition of Restraint Systems
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Annex III cont’d
– Condition of Road Markings, Signs and Signals
– Rock falling
– Pavement roughness
• Set of Remedial Measures for more than one Year :– Redesign of Restraint Systems
– Median protection
– Overtaking
– Intersection Improvement
– Alignment Improvement
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Annex III cont’d
• Amendment of Cross-Section
• Traffic Management and Control System
• Consideration of Vulnerable Road Users
• Upgrading to Current Design Standards
• Pavement Restoration and Replacement
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Cost of RSI
• Varies considerably depending on road category and safety element
• On average 600-1000 € / motorway-km
• 10-15 km / man-day
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EU Experience
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RSI in Germany for example
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How?
By any means …– Visually– Instrument driven– Automation Recording and Evaluation Techniques
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PhotologgingA very efficient and inexpensive method of Road Inspection:
Case GREECE: Patras-Pyrgos Route
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10+670
PhotologgingA very efficient and inexpensive method of Road Inspection:
Case GREECE: Patras-Pyrgos Route
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10+690
PhotologgingA very efficient and inexpensive method of Road Inspection:
Case GREECE: Patras-Pyrgos Route
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10+710
PhotologgingA very efficient and inexpensive method of Road Inspection:
Case GREECE: Athens-Korinth Motorway
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INSPECTION OF PHYSICAL NOSES
PhotologgingA very efficient and inexpensive method of Road Inspection:
Case GREECE: Athens-Korinth Motorway
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INSPECTION OF PHYSICAL NOSES
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An e-RSI report from Norway
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CASE EXAMPLE:
AUSTRIA
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Road Safety InspectionRoad Safety Inspection of Austrian motor- and expressways
In Austria, Road Safety Inspection of motorways and expressways started in July 2003.
- 2003 and 2004: 11 inspected sections- 2005/2006: 10 sections
expressway
inspected sections 2003,2004,2005
sections under inspection
A 2
A 8
A 7
S 36S 31
A 4
A 10A 9 S 6
S 35A 9
A 8
A 21A 1
A 9A 2A 2
A 12A 14
A 22
S 4
motorway
Road Safety InspectionRoad Safety Inspection of Austrian motor- and expressways
RSI in a team including:
– accident analysis – accident map– analysis of the traffic conditions– analysis of the constructional elements– inspection – on-site visit– meetings and interviews with motorway maintenance unit
and traffic police– analysis of road surface (pavement rating - ruts, friction, …)– analysis of road maintenance measures– analysis of road environment
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remedial measures (short-, medium-, long term)
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ACCIDENTMAP
Austria
cont’d
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Austria
cont’d
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Austria
cont’d
Austria
cont’d
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PRIORITIES
COMMON BELIEF: An ounce of prevention is worth a pound of cure
Henry De Bracton, De Legibus in 1240
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