ref: 1dcaede8b5e41dbec9bf3f2b18c77d1b7d2de708 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