Lots at Chong Yip Centre and Pacific Plaza were reserved for future station exits and concourse.

The MTR Corporation let out a tender for the construction of the Sai Ying Pun and HKU stations and 2.2 km (1.4 mi) of tunnel.

[6] The latest revision changed the English name to "HKU",[7] the abbreviation of The University of Hong Kong nearby.

[9] In addition, the MTR has built elevators to link HKU station to the University of Hong Kong.

[11][12] HKU station features designated refuge areas, to which passengers can be evacuated in case of emergency.

[13][14] As exits A1, A2 and C1 are situated deep underneath Mid-Levels, only express lifts are used to transport passengers.