Glossary of Data Variables for Fatal and accident causation ... - ERSO
Glossary of Data Variables for Fatal and accident causation ... - ERSO
Glossary of Data Variables for Fatal and accident causation ... - ERSO
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Manual <strong>for</strong> SafetyNet <strong>accident</strong> <strong>causation</strong> system (SNACS) - Appendices<br />
was it special/different in<br />
any way<br />
• Available time<br />
•<br />
• Type <strong>of</strong> traffic environment<br />
• On what kind <strong>of</strong> road did<br />
the impact occur (urban<br />
road, country road, other)<br />
• Speed<br />
• What speed were you<br />
going at<br />
• What speed do you usually<br />
go at on this spot<br />
• What speed does other<br />
road users usually go at on<br />
• Number <strong>of</strong> concurrent activities<br />
•<br />
• Was there anyone else in the<br />
car<br />
• If there was, were you having a<br />
conversation<br />
• What type <strong>of</strong> conversation was it<br />
(explaining, discussing, joking,<br />
gossiping, work related…) <br />
• What was the mood like in the car<br />
<br />
• Was the radio or CD/tape player<br />
on<br />
• Similar <strong>accident</strong>s/Situations<br />
• Have you experienced any<br />
similar situations be<strong>for</strong>e<br />
• What happened then<br />
• Have you been in a<br />
situation similar to this one,<br />
but where you didn’t<br />
actually collide<br />
• What happened then<br />
• What was the difference<br />
between these situations<br />
• Design <strong>of</strong> traffic<br />
environment<br />
•<br />
• Important factors<br />
• Is there anything in the<br />
traffic environment at the<br />
scene which makes driving<br />
particularly easy or<br />
particularly complicated<br />
What about visibility, lane<br />
markings, exits, etc<br />
• Complexity<br />
• Do you think the traffic<br />
• Driver’s familiarity with<br />
traffic environment<br />
• Do you live nearby<br />
• Do you <strong>of</strong>ten drive this<br />
route<br />
• Has anything been<br />
recently changed/ rebuilt<br />
on the spot<br />
• If so, did you find it an<br />
improvement or not<br />
• If you <strong>of</strong>ten drive there,<br />
can you tell what other<br />
kinds <strong>of</strong> road users usually<br />
drive there (commuters,<br />
tourists, locals)<br />
• Driver’s familiarity with the<br />
vehicle<br />
• For how long have you<br />
had the car<br />
• How much have you<br />
driven it<br />
• Do you feel like you know<br />
the car<br />
• Does it ever behave<br />
unexpectedly<br />
• Do you find it hard or easy<br />
to drive<br />
• Drivers education<br />
(procedures/ regulations,<br />
special vehicles)<br />
• Do you have any driving<br />
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