You can tack a red Van to Tsuen Wan (before is free of charge and then change the Van (may be same ones) to Wai Chui. Charge arroung $15 (I can't sure). You may take 15 mins to TW and ~35 Mins (depended on traffic Jam or not it may take 3 rath 3 to HK island so very quick) to Wan Chui.