Pernicious perennial weed?
Well, yes, perhaps it is.
But if you're stuck in a traffic jam at the M5/M6 junction*, it's a little ray of sunshine and a link with nature
(*Note: this photo was taken in the garden** - the Inelegant Gardener does not condone wandering around on the central reservations of motorways to take photos of dandelions).
(**Oops - I've just admitted to having a weedy garden).