PowerPoint Presentation - Road Safety Audit
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Transcript of PowerPoint Presentation - Road Safety Audit
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The Importance of Good Accident Data
Lárus Ágústsson Chief Engineer Civ. Eng., M. Sc.
Danish Road Directorate
Ministry of Transport – Denmark
International Road Safety Seminar and Workshop AGEPAR/PIARC Improving the Safety of Road InfrastructureTogo, Lomé, 11th – 13th October 2006
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Where is Denmark ?
Europe
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Key Figures
Population: 5.397.640 inhabitantsArea: 43.084 square kilometres Density: 1.25 per square kilometre 85% of the population lives in towns. Greater Copenhagen accounts for 1.1 million inhabitants. Average Life Expectancy: 74.5 years for men and 79.2 for women
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Data• Good value for money
• Quality accident data
• Recorded by the police
• God Road Safety work
• Examples
If we know If we know better, we better, we
should do itshould do it
If we donIf we don’’t t know, we know, we
should acquire should acquire knowledgeknowledge
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Accident Factors
65%
24%
4%3% 2%2%
Human factors (95%)
Road Environment factors (29%) Vehicle factors (8%)
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Accidents are not Caused
The Driver
The Roadthe Environment
The Vehicle
The old perception:”65 percent of accidents are caused by the driver”
The new approach:“For 95 percent of accidents the driver was a contributing
factor”
The Driver The Vehicle The Road
The Accident
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Data Collection• Police collects data for legal prosecution
• The road Engineer:– identifies dangerous
spots in the road network– has to know where the
accident happened– makes campaigns
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Gathered Accident Information• Location of the accident• Involved parties • Number of injuries• Vehicle data • Accident cause • Sketch of the accident
situation• Statements of witnesses
• Date and time of day• Collision type • Road type and condition• Weather and visibility
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Accident types - Pictograms
• A set of pictograms has been designed to describe common accident situations.
• The police will register these situations to describe, how the accident happened.
Rear end accident
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Who is to Blame?
• The Road Authorities need an accident registration that focus on factual information and not on who might be guilty in a legal sense.
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Dataflow
POLICE
Road Center
DATABASE
Location
Statistical Bureau
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Police use of Accident Data
• Target spots for police enforcement
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Accident Database• For analytical reasons.
• Sometimes the police and sometimes the road authority compiles the database.
• Quality control of the data, to make sure that the recording of e.g. the place the accident happened is correct.
Two Girls burnt to Death in Car
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Improving Safety
The road authorities are responsible for:
• Improving the safety of the road
• Reducing the number and/or
• Reducing the seriousness of accidents.
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Example- Accident Data for Denmark• General accident statistics
• Action plans for road safety
• Analyses of Dangerous Locations
• Road safety audit
• Accident inspections
• Evaluation of road safety projects
• Define target groups for road safety campaigns
• Target locations for police enforcement.
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New Road?
Yes:Road Safety
Audit
No:Do you have
Accident Data?
Yes:Accident SiteInvestigation
No:Road SafetyInspection
Road Safety Manual
Road Safety Audit
Guidelines
Road SafetyInspection Guidelines
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The Number of Killed 1947 - 2004
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1947 1952 1957 1962 1967 1972 1977 1982 1987 1992 1997 2002
1200
1000
800
600
400
200
0
1947 1955 1965 1975 1985 1995
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Action Plans for Road Safety
Road Safety Action Plans dealing with
• Engineering Measures
• Campaigns
• Police Enforcement.
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Road Accidents 2000 - 2012Danish Road Safety Commissions goal:
– 40% less fatalities
– 40% less serious causalities
Killed
500
514
498
463
432
300
38743
1
0
100
200
300
400
500
600
1998
2000
2002
2004
2006
2008
2010
2012
num
ber
300!
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Road Safety in the Road DirectorateSafety in Planning
– Road Standards– Accident Database– Accident Prediction Models– Action Plan for Road Safety– Highway Investment Model– Safety Audit
Safety in Maintenance/Construction– Black Spot Works– Road Safety Inspections– Road Accident Investigations– Safety at Worksites
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Analyses of Dangerous Locations
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Analysis of Dangerous Locations
• Collision Diagram and analysis of data
• Site visit
• Remedial measures
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Road Safety Audit
A safety audit identifies the dangerous spots before the opening of the road
Prevention is betterthan cure
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Road Safety Inspection
• On existing Roads
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Danish Road Accident Investigation Board• Precise impression of the accidents and
• Gather more knowledge about the accident and injury factors than can be done in traditional accident analysis
• Interdisciplinary in-depth investigations of frequent serious accident types within a chosen theme
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Define Target Groups for Road Safety Campaigns
Risky driving all the time
3 %
Risky driving once in a
while
10 % Safe driving (almost) all
the time
87 %
• Age groups• Male/female• Occupation
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Target Locations for Police Enforcement• Where do the accidents happen?• When do the accidents happen?
– Time of day– Day night– Weekends
• Why do the accidents happen?– Speed– Red light running– Right of way– Seatbelts– Running lights
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Accident Statistics on the WEB
http://vd.dkhttp://webapp.vd.dk/uheld/UhAarStat.asp?page=document&objnr=105608&portal=vd