-- MCR Arrivals track
local rc = "MCR_runaround"
local list = {
	rc,
	"MCR_HS_W",
	"MCR_HS_E",
	"MCR_HS_E_AC"
}
if not F.has_rc(rc) then
	split_off_locomotive("A0B0")
	F.add_rc(list)
	set_route(POS(1706,18,4638), "Headshunt")
	atc_send("A1S3")
	return
end
F.remove_rc(list)
atc_send("A0S0WD5RS2")