Route 705 operates in an anticlockwise direction (i.e. the inner loop), and commenced service on 22 August 2004. Route 706 serves the clockwise direction (i.e. the outer loop), and began running on 9 April 2004.
The line is a loop, starting at the Tin Shui Wai Stop. It then runs along Tin Shing Road, continues between the Tin Fu and Tin Ching Estates and along Wetland Park Road, reaching the northern tip of the town. It returns along Grandeur Terrace into Tin Shui Road, passing Tin Wah Road and the Tin Shui Wai Park and finally arrives back to Tin Shui Wai Stop and Tin Shui Wai Station.