And a preview option. No, I'm not volunteering to code either.

Godai2 - you can do formatting using standard HTML. Like this. (In fact, if you want your posting to show up properly on the RSS, it's best to put paragraph tags in, too.)

chilly - DavidJames is right. OSM trunk = UK primary A (green signs); OSM primary = UK non-primary A (black and white signs). Not immediately obvious, it's true, but then it's meant to be an international tagging system rather than just a UK one. The Highways Agency tend to call their roads "strategic" rather than "trunk" these days, anyway...