1. Maximaal 17 miljoen inwoners verwacht (A maximum population of 17 million expected);CBS,2004
2. Oudere verkeersdeelnemers (Older drivers);Brouwer,2002
3. The elderly in traffic;SWOV,2005
4. Driver ageing does not cause higher accident rates per km;Hakamies-Blomqvist;“Transportation Research Part F: Traffic Psychology and Behaviour”,2002
5. Fatal accidents of older drivers;Hakamies-Blomqvist;“Accident Analysis and Prevention”,1993