[2] The line was extended 5.8 kilometres (3.6 mi) to Pinkenba railway station in 1897, mainly to serve an industrial area, including wharves on the north side of the Brisbane River.

[3] Earthworks were undertaken to duplicate the line in the 1950s, hence the double sided, island platform at Clayfield.

including regrading the line which eliminated the Sandgate Rd level crossing, but the program was abandoned before the second track was laid.

The Doomben to Pinkenba section is used only for freight and occasional special trains, such as heritage services described below.

The typical travel time between Doomben and Brisbane City is approximately 18 minutes (to Central).