On 1 April 1935, the route became circular with the Central bound by way of Sai Ying Pun, but the arrangement was cancelled on 14 June 1937.
On 16 April 1974, the route was changed to Robinson Road for the Central bound in conjunction with the inauguration of the first bus lane in Hong Kong.
On 1 March 1976, the service was extended to Queen Mary Hospital, but on 1 September 1982, cut back to Pokfield Road.
On 20 December 1985, the Central terminus was changed to Hong Kong-Macau Ferry Pier, and to Rumsey Street on 23 May 1986 in conjunction with the opening of Sheung Wan station on Island line of the MTR.
On 2 June 1997, China Motor Bus gave up the route due to low patronage.