Human factors issues. A discussion on selected topics Rob Methorst September 27, 2007. Outline. Introduction Systems approach to Vulnerable Road Users Safety Culture in Hazardous Goods Transport Sustainable Road Safety – an update. Systems approach to Vulnerable Road Users.
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A discussion on selected topics
September 27, 2007
The developers’ (Prof. Wagenaar) dog had only 3 legs and was called ‘Driepoot’(English = Tripod)
usage value, what is being offered = intrinsic quality supply, looking at the system from the ‘head’
2. Perception perspective:
what is being requested = subjective quality demand, looking at the system from the ‘heart’, including attitudes towards and of pedestrians.
3. Durability and Future Prospects:
whilst # 1 and # 2 are static quality descriptions, # 3 refers to a dynamic perspective. Durability is, like user value and perception value, a relative value and depends on current qualities, future social values and future use of the physical environment and transport system.
Trends in Europe and NL:
ambitious targets; limitation of traditional approaches re. achievements
See website: www.sustainablesafety.nl
Man is measure of things:
whether they are safe road users
Primary preventive approach:
Roads should either flow (flow roads) or provide access (access roads) and are connected by distributor roads
Vehicles that differ too much in mass or speed and that use the same space should be physically separated from each other
Layout of road and predictability of road course and road behaviour; self explaining roads, vehicles and human behaviour
Accidents should not lead to (severe) injury of death
capability or possibility of road users estimating own task competency correctly; every road users should know what his skills are and act accordingly
but VRU meet high fatality risk levels
(bike 30x, pedestrian 40x)