1 Crash categories not well defined and mean different things to different people eg; cause/ factors get mixed up. 2 Some crash category groupings are incorrect 3 As a result crashes end up in the wrong category. "Drowsy driving" crashes are often placed into the speed category. FUTURE STRATEGIC DIRECTION
1 Define crash categories very clearly. 2 Review all crash categories (adopt overseas model) 3 Ensure all "drowsy driving" crashes are fully invest-igated, not lost in the system and classified incorrectly.
1 In general, this area is a "mess". Transit NZ studies appear to be of a much higher standard.
2 One only needs to look at more recent studies undertaken to see that there is serious underreporting in the official MOT statistics that many take as gospel.
3 For example;
SWATT 2010 campaign(ranked drowsy driving / inattention #1 ranked drowsy
JAFA (Hamilton study) ranked drowsy driving equal to speeding (17%);
Auckland University / Hospital study - 19% of Auckland crashes attributable to drowsy driving
NRC MEMBER RESPONSIBILITY.
Ministry of Transport