- these changes in values can affect the publics perception of crime
- overtime, views about drink driving have changed and this has lead to changes in laws and policies
- laws governing it have become tighter
- for years, public attitudes to drink driving were quite tolerant and it wasn't seen as a serious offence
- car ownership was increasing however, in 1951 only 15% of households owned a car but by 1971, this has risen to 55%
- this resulted in more deaths, from about 5000 in 1950 to 8000 by the 1960s