Transportation to Urumqi railway staion

I will book train to JingHe leaves from Urumqi 07.10 am. I stay at hotel near red hill park.
1. What time do public bus start in the morning?
2. Can I take 3 taxis for 12 persons available in early morning?
I want to know there are taxis run 24 hrs. in Urumqi or not?
Thanks for your reply