ref: 7e9ccbb5b254f794a79c4d0f9d816b3cbfb81f3f dir: /data/maps/headers/Route18.asm/
map_header Route18, ROUTE_18, OVERWORLD, NORTH | EAST connection north, Route17, ROUTE_17, 0 connection east, FuchsiaCity, FUCHSIA_CITY, -4 end_map_header