Members of the public are advised that to cope with passenger demand, Kowloon Green Minibus (GMB) Route No. 89B (On Tai Estate – Kowloon Bay (Zero Carbon Building)) will operate an additional departure from On Tai Estate to Kowloon Bay (Zero Carbon Building) at 6:00 a.m. daily and an additional departure from Kowloon Bay (Zero Carbon Building) to On Tai Estate at 6:35 a.m. daily on a trial basis from 21 December 2025 to 20 March 2026.

       The concerned GMB operator will put up notices to advise passengers of the above service arrangement.