UPPÅT: uppföljning av åkeriers trafiksäkerhetsarbete

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Magnus Hjälmdahl
John Pettersson

A field operational test including eleven hauliers was carried out to study whether truck drivers speed and seatbelt usage could be improved using ITS including an ISA-function, an advanced seatbelt warning and a logging function that allows the monitoring of driving behaviour. Three different warning and monitoring strategies have been studied: voluntary use and monitoring of behaviour, voluntary use and monitoring of behaviour in addition to a bonus, and a predefined user interface and monitoring of behaviour. The aim was to see how well the monitoring worked in changing behaviour and to see whether the effect was improved further by using either the carrot or stick. The results showed that it was primarily the predefined user interface that had an effect. There were also signs that the bonus had an effect but the effect was small and limited in time. The predefined interface however had a large effect; reducing the average speed on 90 km/h roads from around 78 km/h to 74 km/h. The downside of this system was that it had the lowest acceptance. However, the drivers were quite positive to have their driving monitored and did not see it as a problem that their managers or colleagues could see how they where driving. The conclusion is that the technology is mature to be used on a larger scale, both the drivers and the hauliers are susceptible to the technology but lack the motivation to use it.

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