I have been for a driving test assessment at a hospital in Edinburgh and would be interested to know if others have been through a simmilar process. I was tested for many things like, coordination, attention and memory and rection time abilities. I was also taken out on the road to test my general driving skills using the hand controls suited to my needs.
The occupational Therapist who assessed me decided that driving with a steering ball on my left hand and a push/pull excelerator and brake with an indicator switch on top for my right hand was the best adaption suitable for me.
Check the tag below for an insight of some converted hand control devices. The page also shows and describes some usefull wheelchair/scooter storage devices.