Shenzhen airport to Dongmen

"At midnight, you could take shuttle bus Line 1 from Shenzhen Airport to its terminal at the west square of Shenzhen Railway Station. The Dongmen street is located in walking-distance from the bus terminal."
above is reply from Mr Jamie at May. 20 2011 21:22:58
1. do you mean Dongmen street is located in walking distance from "West square of Railway station"
2. what is the operation hour for Line 1 from airport to Dongmen
Thank you