I created a Area in my MVC 3 application called \'Blog\'.
In global.asax I have the following code.
public static void RegisterRoutes(RouteCollection
Following on from Mortens answer, you can now NuGet (or manually download and install) the RouteMagic, or Glimpse packages which provides this functionality, and more.
More information is available on Phil Haacks blog regarding the state of his tool and what it has morphed into. The comments make for good reading too!