Road Safety 101
Module 1-1
Tracking Your Progress Through
Highway Safety Core Competencies
Core Competency 1: The Nature of Road Safety
Core Competency 2: The History and Institutional Settings of Road
Safety Management
Core Competency 3: The Origins, Characteristics, and Uses of
Crash Data
Core Competency 4: Contributing Crash Factors, Countermeasure
Selection, and Evaluation
Core Competency 5: Road Safety Program Management
1
Module 1-1
The Nature of Road Safety
Tracking your way through Road Safety 101
Core Competency 1: The Nature of Road Safety
Module 1: Road Safety Defined From a Science-Based
Perspective
Module 2: Road Safety – A Complex Field
Module 3: Road Safety Demographics
Module 4: Road User Decisions
Module 5: Science-Based Road Safety Research
Module 6:
3
Intervention Tools and Countermeasures
Module 1-1
Road Safety Defined
Articulate a comprehensive definition of road safety.
4
Module 1-1
Exercise 1: Defining Safety
How do you define safety?
Module 1-1
Various Definitions
Public health
Highway safety professional
Design, maintenance, or operations engineer
Transit
Human Factors
Module 1-1
Major Topics
The Science-Based Perspective
The Dynamics of a Crash
Models for Understanding and Explaining Crashes
7
Module 1-1
A Definition of Road Safety
Roadway safety is
the number of accidents (crashes),
or accident consequences,
by kind and severity,
expected to occur on the entity
during a specific period.
Ezra Hauer
8
Module 1-1
National Highway
Fatalities and Fatality Rates
1988-2008*
48,000
Total Fatalities
44,000
Total Fatalities
Fatality Rate per 100M
VMT
2.0
42,000
1.5
40,000
38,000
1.0
36,000
34,000
0.5
32,000
30,000
Fatality Rate per 100M VMT
46,000
2.5
0.0
1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
Source: Created by Cambridge Systematics based on fatality data retrieved from the Fatality Analysis Reporting
System
(National Highway Traffic Safety Administration) and vehicle miles traveled data (Federal Highway Administration.
*2008 Preliminary data retrieved from NHTSA Traffic Safety Facts Research Note DOT HS 811 124
Module 1-19
National Highway
Injuries and Injury Rates
180
3,500,000
Total Injuries
160
3,000,000
Injury Rate per 100M
VMT
140
120
2,500,000
100
2,000,000
80
1,500,000
60
1,000,000
40
500,000
Injury Rate per 100M VMT
Total Injuries
4,000,000
20
0
0
1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
Source: Created by Cambridge Systematics based on injury data retrieved from NHTSA Traffic Crash Facts 2007
Module 1-1
1
0
The Public Health Perspective
Events Causing Health Problems
• Cancer
• Heart disease
• Stroke
• Obesity
• Suicide
• Homicide
Population or Population Category
• Cancer cases per capita
• Number of attempted suicides by age and gender categories
Exposure to Risk
11
Module 1-1
10 Leading Causes of Death by Age Group,
United States─ 2006
Module 1-1
The Dynamics of a Crash
Kinetic Energy:
The energy an object possesses
because of its motion
13
Module 1-1
The Dynamics of a Crash
The Dynamics of a Crash
Slide 2: Explain and define crush energy (include image
below)
Crush energy:
Deformation of car
and human parts
14
Module 1-1
Crash Models and Road Safety
15
Module 1-1
Driver Behavior and Crash Models
16
Module 1-1
Multidisciplinary Approaches
Human
Factors (95%)
Road
Environment
Factors (28%)
4%
24%
67%
4% 4%
Vehicle
Factors (8%)
17
Module 1-1
Review
Road Safety Defined from a Science-Based Perspective
The Dynamics of a Crash
Models for Understanding and Explaining Crashes
18
Module 1-1
Exercise #1 Defining Safety
19
Module 1-1
Descargar

The Nature of Road Safety - Center for Transportation