Railway to Golmud unplayable due to high ping.

Playing in Aus can already be a nightmare sometimes, but It is simply impossible tonplay a game on Railway to Golmud without *constant* ping of about 300 to 500, with spikes up to 900.

No other map has this issue for me.

What is going on?

(If only we had a server browser so I could see where I'm even connecting to.)