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KMB Introduces Express Route 91A A New Fast Track Between Kowloon East and Clear Water Bay

From 19 June 2021, KMB will introduce a new express Route 91A on Saturdays and Public Holidays to provide passengers with a fast track travelling to and from Diamond Hill, Choi Hung, Ngau Chi Wan and Clear Water Bay as well as the nearby countryside hotspots.



Service Hours*

Full Fare


Diamond Hill Station → Clear Water Bay

9:00 a.m. – 12:00 noon


Clear Water Bay → Choi Hung (Hung Ngok House)

3:00 p.m. – 7:00 p.m.








*Saturdays, Sundays and Public Holidays only. The frequency may be adjusted subject to actual demand.

After Diamond Hill Station, Ngau Chi Wan Village and Pak Hung House, the Express Route 91A will head to Clear Water Bay directly via some countryside hotspots, such as Silver Strand Beach, Sheung Sze Wan Beach and Tai Au Mun. After enjoying the holidays, passengers are welcome to take the Choi Hung-bound trip of Route 91A to return to the urban areas.


Passengers Can Enjoy Lower Bus Fare with the Interchange Discount Scheme

The Octopus Interchange Discount Scheme applies to Route 91A. By taking this route with the following routes, passengers can enjoy a bus fare discount for their journeys to and from Clear Water Bay.



Interchange Location

Max. Saving

Cheung Sha Wan


Choi Hung


Tsuen Wan

290, 290A, 290B, 290X

Tin Shui Wai


Yuen Long


Tuen Mun

258D, 259D


277E, 277X


80, 80X, 83X, 88, 89, 89B, 89C, 89D, 89X

Tai Po



Please refer to the appendix for more information.

Passengers may call the KMB Customer Service Hotline on 2745-4466 or LiveChat with us on App1933 or the KMB website for more details.