Mapped: The accident black spots for young drivers in High Wycombe. These are the most dangerous roads in High Wycombe for young drivers. An interactive map shows you where ‘fatal’, ‘serious’ and ‘slight’ cycling accidents have happened in your area by using the latest police and government data. Crash Map shows that 204 accidents involving young drivers happened in High Wycombe from 2014 to 2019. Michelle Harrington, road safety manager at RoSPA, said: “Drivers aged 17 to 24 make up just seven per cent of UK licence holders, yet are involved in around one in four of all crashes that result in someone being killed or seriously injured.