RoSPA 

Advanced Driving is the ability to control the position and speed of the vehicle safely, systematically and smoothly using road and traffic conditions to progress unobtrusively with skill and responsibility. This skill requires a positive but courteous attitude and a high standard of driving competence based on concentration, effective all round observation, anticipation, and planning.
This must be co-ordinated with good handling skills. The vehicle will always be at the right speed with the correct gear engaged and can always be stopped safely on its own side of the road in the distance that can be seen to be clear.
Advanced Driving is based upon the system of car control as detailed in Roadcraft - The Police Driver Handbook. To gain a high grade in the RoSPA Advanced Driving Test. You will require a good knowledge of the current editions of Roadcraft & The Rules of the Road.