- 1889
MUNGAR JCT-BROOWEENA, Gayndah Bch, opened [38.5km].
MUNGAR JCT Fork, Gayndah Bch, opened [0.3km].
- 1918
MOONGOBULLA-COOLBIE, NCL, opened [10.4km].
- 1926
N°751, last member of PB15 (1924) Class entered service
- 1971
EEA DEL1339 [A.233] entered service.
EEA DEL1340 [A.234] entered service.
- 1976
Clyde DEL1569 [76-816] entered service.
- 1982
EMERALD Fork, opened, [0.2km].
- 1986
CLERMONT-BLAIR ATHOL MINE JCT, Blair Athol Bch, opened [21.6km].
- 1987
NORWICH PK-GREGORY, Norwich Pk Bch, electrification energised
- 1991
First DOO Citytrain stainless steel passenger [SX set 37] ran.
- 1993
Clyde DEL1732D [67-514] entered TOWNSVILLE Workshops for a corporate livery respray.
Clyde DEL1568D [76-815] entered REDBANK Workshops for a corporate livery respray as part of conversion into 2322.
- 1996
Com-Eng EL3233 emerged from ROCKHAMPTON Workshops in corporate livery.
Com-Eng EL3231 entered ROCKHAMPTON Workshops for a corporate livery respray.
Clyde DEL2205 [83-1169] entered REDBANK Workshops for a corporate livery respray as part of overhaul.
Walkers EL3617 emerged from ROCKHAMPTON Workshops in corporate livery as part of collision repair
Com-Eng EL3272 entered ROCKHAMPTON Workshops for a corporate livery respray as part of collision repair.
- 2007
C17 720 is officially launched as the latest restored locomotive at the ARHS-QLD Rosewood Railway Museum.
- 2022
Aurizon completed its $2.35 billion purchase of One Rail Australia. One Rail's east coast coal business, including its Queensland coal haulage, was to be sold off as a condition of ACCC clearance.
Sources: Aurizon completes acquisition of One Rail Australia (ASX announcement) · Aurizon completes "transformative" acquisition of One Rail Australia (Railway Gazette International)
Researched and compiled by Peter Burkitt, with later additions as sourced. About this list, abbreviations and the full calendar