It turns out zombies like walkable cities, too. When the apocalypse comes and you’re turned into a zombie, which cities will be easiest for you to traverse in your stumbling gait? Trulia put together this map, based on density, congestion and walk scores. The good news? Looks like we’ll be pretty safe from the undead in our neck of the woods if this map is accurate. The bad news? There will still be walkability issues for those of us left alive.