person arrested on private drive on suspition of drink driving what are law rules on drink driving. person not on public road. is there a case that could argue he is not guilty

2 answers

hi thanks for ans but i am in the uk so is there a case i can show that would help me with this question . (man accused of drink driving on private drive that is not part of road).
This site seems to state that drink-driving on a driveway is not illegal.

http://www.drinkdrivinglaw.co.uk/drink_driving_defences.htm