GPS Navigation & Road Safety Blog

Key findings on the influence of GPS on driving and traffic safety

key-safety-findings

In 2006 TNO performed a study into the effects of driving with a navigation system on traffic safety in the Netherlands with four different research methods (see Vonk et al., 2007). Overall the results led to the conclusion that navigation systems have a positive effect on traffic safety.

TomTom has asked TNO to repeat two of the research methods from 2006 in a number of countries other than the Netherlands. TNO contracted TUV and DLR (Germany) and Virginia Tech Transportation Institute (the USA) to conduct an instrumented vehicle study.

The survey study is conducted among a representative sample of drivers in Germany, the USA, the UK, France, Italy and Spain (performed by TNS NIPO). The aim of these studies was again to establish the effect of driving with a navigation system on traffic safety.

The instrumented vehicle studies in Germany and the USA followed exactly the same methodology used in the studies described in Vonk et al. (2007).

The survey study was performed by TNS NIPO by means of an internet questionnaire in the six countries mentioned above.

Overall the results of the instrumented vehicle studies and survey studies converge to a positive effect of navigation systems on traffic safety. The results from both studies indicate:

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