travaudat
Route 426/216 is now split into two separate bus route relations:

Route 426 (one relation for each direction):
https://www.openstreetmap.org/relation/10986992
https://www.openstreetmap.org/relation/10982444

Route 216 (one relation for each direction):
https://www.openstreetmap.org/relation/2666805
https://www.openstreetmap.org/relation/10984169

Route 216 has additionally been updated to reflect changes announced Nov 17, 2019:
https://www.ptv.vic.gov.au/footer/about-ptv/improvements-and-projects/bus-and-coach/st-kilda-road-bus-services/