No I have a hands free set though, unless I set it up and put the ear piece in before starting the journey, it seems more of a hazard that just holding a handset in one hand and talking for a few minutes!
I have to say I am disgusted by how many people I see using their mobiles whilst driving. If I make a point of looking, I see at least one person every time! Also, so many people who don't strap their kids into their seats STILL! I suppose that isn't the crime of the century, but it amazes me how many people carry on regardless of the law.