[2] In December 2010, a siding was provided for the stabling of track maintenance machines.

[4] Colac was the interchange with the 2 ft 6 in (762 mm) gauge Crowes line, which was opened in the early 1900s to serve the farming and timber-harvesting areas in the Otway Ranges.

The line was built in two stages, with the first to Beech Forest opening on 1 March 1902, and the second to Crowes, on 20 June 1911.

The line was closed in sections: Ferguson to Crowes on 9 December 1954, followed by a reopening to Weeaproinah on 19 January 1955, and full closure on 30 June 1962.

[6] Platform 1: Christian's Bus Company operates three routes via Colac station, under contract to Public Transport Victoria: