I'll admit I was tempted to use this tactic, as there were one or two potentially serviceable gaps in the queue. But in the end, I just didn't quite have the SPUNK to do it. You need more front than Harrods to carry that off (and an Audi, which I do not have).
Sadly I'm not, but I'll be avoiding Arundel too.
I tried "cheating" that Crossbush dual carriageway bit the other day, by breezing up the inside lane, turning left at the lights towards L'Hampton, with the intention of pulling in and turning round at the McDonalds to continue west. "Hah. See ya...