if event.train and atc_arrow then
	local rc = get_rc() or ""
	
	local rc_list = {}
	for token in rc:gmatch("[^%s]+") do
		if token ~= "S27_EXIT" then
			table.insert(rc_list,token)
		end
	end
	
	rc = table.concat(rc_list," ")
	set_rc(rc)
	atc_send("SM")
	return
end