KMB Route 91M

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91M Volvo B10TL.jpg
A handful of Volvo Super Olympians (ASV) were scheduled to route 91M in mid-2000s, including ASV4 (JX9097)
Operator Kowloon Motor Bus
Garage Kowloon Bay (K)
Vehicle Volvo Olympian 11m (AV) / Dennis Trident 3 10.6m (ATS)
Peak vehicle requirement 12
Start Diamond Hill Station
Via Choi Hung Station
Choi Wan Estate
Tseng Lan Shue
The Hong Kong University of Science and Technology
Hang Hau
End Po Lam
Competition NT Green Minibus routes 11 and 11M
Level Daily
Frequency About every 12-20 minutes
Operates 06:00 until 00:00 (from Diamond Hill)
05:40 until 23:45 (from Po Lam)
Fare HK$6.1

Air-Conditioned New Territories Route No. 91M is a Hong Kong bus route operated by Kowloon Motor Bus, plying between Diamond Hill Station in New Kowloon and Po Lam in Tseung Kwan O, New Territories, via Clear Water Bay Road and The Hong Kong University of Science and Technology (HKUST).

To cater the demand of HKUST passengers, short-working trips by the number of 91P are provided on weekdays (except HKUST student holidays), during the morning peak from Diamond Hill to HKUST (North), and PM peak from HKUST (South) to Choi Hung Station.


Located at the eastern edge of the present-day Tseung Kwan O New Town, the district of Hang Hau was a collection of traditional villages with a market town facing Junk Bay before the 1970s. Transportation to and from Hang Hau then relied on kai-to ferries.

Route 91A, the first bus route serving Hang Hau Town, was introduced on April 1, 1976, serving between Hang Hau and Chuk Yuen (now known as Wong Tai Sin). After the city's Mass Transit Railway system commenced operation, the route was renamed 91M and truncated to Diamond Hill MTR Station with effect from December 16, 1979; it was further curtailed to Choi Hung MTR Station just 4 years later, on November 3, 1983. The Kowloon-side terminus of route 91M would return to Diamond Hill 14 years later, on November 2, 1997, this time to tie in with the opening of Diamond Hill Station Public Transport Interchange inside Plaza Hollywood shopping centre.

The development of Tseung Kwan O New Town (TKO) has changed route 91M a lot, as Hang Hau became part of the new town in the early 1990s. 91M was no longer the only route serving Hang Hau with the advent of the Tseung Kwan O Tunnel, which brought residents numerous new routes connecting TKO with the urban area. As the population of Hang Hau district was initially expected to dwindle during the development, KMB once proposed the withdrawal of this route in 1988 and obtained permission from the Government's Transport Department. The latter responded by inviting tenders to the operation rights of a new green minibus route running almost the same route with 91M.[1] However, plans of cancelling route 91M was ultimately shelved, and the green minibus route (present route 11) went into operation anyway. It was eventually extended to On Ning Garden inside the newly reclaimed and -developed part of Hang Hau in 1991.

The establishment of the Hong Kong University of Science and Technology (HKUST) in 1991 also changed the prospect of route 91M. Peak-hour departures of the route started serving the newly founded university in March 1992, and by 1994, all 91M departures throughout the day would call at HKUST's bus station on University Road. The major group of passengers served by this route gradually shifted from Hang Hau inhabitants to HKUST faculty and students since then.

Route 298M, serving between Po Lam and HKUST, was cancelled with effect from June 19, 2004 due to low patronage. Route 91M was extended from Hang Hau (On Ning Garden) to Po Lam effective from the same day as a replacement.


The route serves the following locations:

Streets served[edit]

Journeys from Diamond Hill station to Po Lam: via Lung Poon Street, Tai Hom Road, Sheung Yuen Street, Fung Tak Road, Po Kong Village Road, Choi Hung Road, Choi Hung access road, Choi Hung Bus Terminus, Choi Hung roundabout, Hammer Hill Road flyover, Hammer Hill Road, roundabout, Hammer Hill Road, slip road, Lung Cheung Road, Clear Water Bay Road, New Clear Water Bay Road, San Lee Street, Lee On Road, New Clear Water Bay Road, Clear Water Bay Road, University Road, Clear Water Bay Road, Hang Hau Road, Po Ning Road, Sheung Ning Road, Chung Wa Road, Pui Shing Road, Sheung Ning Road, Po Ning Road, roundabout, Po Lam Road North and Kai King Road

Journeys from Po Lam to Diamond Hill station: via Yan King Road, Kai King Road, Po Lam Road North, Po Ning Road, Sheung Ning Road, Chung Wa Road, Pui Shing Road, Sheung Ning Road, Po Ning Road, Hang Hau Road, Clear Water Bay Road, Ngan Ying Road, Clear Water Bay Road, Lung Cheung Road, Hammer Hill Road, Choi Hung roundabout, Choi Hung Road, Po Kong Village Road, Fung Tak Road and Lung Poon Street

See also[edit]


  1. ^ 坑口區人口趨流失 九一M綫決將取消 改以專綫小巴士取代 有兩新綫接受申請, Wah Kiu Yat Po, 10 October 1987.

External links[edit]