Why is the parent stop for Westmead Light Rail platforms the heavy rail stop?
214510 Westmead Station
2145553 Childrens Hospital Light Rail
2145554 Childrens Hospital Light Rail 2 2145553
2145576 Childrens Hospital Light Rail 1 2145553
2145584 Westmead Hospital Light Rail
2145585 Westmead Hospital Light Rail 1 2145584
2145586 Westmead Hospital Light Rail 2 2145584
2145587 Westmead Light Rail 1 214510
2145588 Westmead Light Rail 2 214510