quickest way to folkestone?

[Ayrton4ever]

I am obviously not alone thinking of the best escape route this evening. I will have to pick up missus from near Oxford st central London. What way would you go to get to the M20 fastest?

[DIW35]

Depends what time you are travelling, but I don't think there is a 'quick' route out of central London.

The most direct would be either Waterloo or Westminster Bridge to pick up the A201 and then A2 at Elephant and Castle then pick up the A20 at New Cross which will take all the way out to the M20.