A shift from driving a car to unprotected modes of transport can - and probably will - be the effect of these measures which might be detrimental for older persons, as using these modes tends to be far more dangerous for them than driving a car (Hakamies-Blomqvist et al. Practice in European countries on the licensing of older drivers varies greatly. Some countries require renewal of the driving license at a certain age, whereas others do not. Those countries that do often require some sort of medical examination (Table 7.3).