Travelling very short distances (two screens or so) costs 0 TW. This means that with enough crossroads around a village, you'd never have to walk again. I'm not sure this is the intended use of the crossroads, and I suspect it might get fixed (if you do, a minimum of TW for any jump would be a good way to do it). We mostly plan to use this to cross the rivers in our delta, but also to avoid opening our gates unless we're driving carts. In fact, if you forfeit cart accessibility, you could build gateless walls.
Anyway, I'm wondering what's the dev attitude on this short-range travel. Please tell us if you intend to fix this, because it'd alter our building plan.