Glossary of Data Variables for Fatal and accident causation ... - ERSO

Manual for SafetyNet accident causation system (SNACS) - Appendices
GENERAL Genotypes
Distraction (E3)
Inattention (E6)
Under the influence of substances
(E7)
Physiological stress (E8)
Psychological stress (E9)
Functional impairment (F1)
Equipment failure (I1)
Permanent obstruction to view (N2)
Temporary obstruction to view (N4)
Inadequate design of communication
devices (O4)
Sound (H1)
Illumination (H2)
Equipment failure (I1)
Maintenance failure - condition of road
(K2)
Inadequate quality control - road (K4)
State of road (K5)
Inadequate road design (N1)
Permanent obstruction to view (N2)
Inadequate information design
(temporary or permanent) (N3)
Inadequate roadside design (N5)
Design of traffic flows (N6)
ANTECEDENTS (REASONS/CAUSES)
SPECIFIC Genotypes (with
definitions)
Noise/music (J1.1)
Being surrounded by loud noise or
music which prevents perception of
other acoustic signals.
Temporary inability (J1.2)
The individual cannot, at that moment,
handle something which normally is
not a problem.
Glare (J1.3)
Being faced with bright lights which
make it difficult to see.
Other (J1.4)
Noise (J2.1)
Being surrounded by loud noise which
prevents perception of other acoustic
signals.
Glare (J2.3)
Being faced with bright lights which
make it difficult to see.
Information overload (J2.3)
Too much information being conveyed
to the road user.
Other (J2.4)
COMMUNICATION (J)
Examples for SPECIFIC Genotypes
High volume on the stereo keeps one
from hearing other road users, for
instance, honk the horn.
Low sun shining right at the
vehicle/person.
High volume on the stereo keeps one
from hearing other road users
signaling by using the horn.
Low sun shining right at the
vehicle/person.
Too many signs, both commercial and
non-commercial, by the road, which
makes it difficult to select which
pieces of information it is the most
important to pay attention to.
CONSEQUENTS
(RESULTS/EFFECTS)
GENERAL Genotypes (with
definitions)
Communication failure (between
drivers) (J1)
A message or a transmission of
information failed to come through to
the receiver (another road user).
Information failure - between driver
and traffic environment or driver
and vehicle (J2)
A message or a transmission of
information failed to come through to
the receiver (the road user).
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