One square is 250 × 250 m. Each area is a fenced block of 12 zones with a road snaking through, a locked gate at every border and a zombie nest to clear in each zone.
Zone with a new resourceBoss zone · red dot = zombie nestGate with its permit · T = taxi padBuilding, true size · dashed = outdoor spotFence between zones
Maps are from the current plan and will change as the game gets built.