ref: 7e9ccbb5b254f794a79c4d0f9d816b3cbfb81f3f dir: /data/maps/headers/Route3.asm/
map_header Route3, ROUTE_3, OVERWORLD, NORTH | WEST connection north, Route4, ROUTE_4, 25 connection west, PewterCity, PEWTER_CITY, -4 end_map_header