| RO-2010-013 | Collision of grain train 3234 with grain train 8922 at Yass Junction, NSW on 9 December 2010 | 09 Dec 2010 | Final | 30 Jan 2012 |
| RO-2010-015 | Derailment of train 1MP5 at Goddards, WA, 28 December 2010 | 28 Dec 2010 | Final | 29 Jun 2012 |
| RO-2011-001 | Signal passed at danger by XPT ST24 at Henty, NSW on 5 February 2011 | 05 Feb 2011 | Final | 26 Jun 2012 |
| RO-2011-002 | Collision between suburban passenger trains G231 and 215A in Adelaide Yard, SA, 24 February 2011 | 24 Feb 2011 | Final | 11 Oct 2011 |
| RO-2011-003 | Signal passed at danger at Yerong Creek, NSW, 25 February 2011 | 25 Feb 2011 | Final | 19 May 2011 |
| RO-2011-005 | Safeworking irregularity near Wards River NSW on 17 March 2011 | 17 Mar 2011 | Discontinued | N/A |
| RO-2011-006 | Collision between freight train 7SP3 and a track mounted excavator near Jaurdi, WA, 28 March 2011 | 28 Mar 2011 | Final | 04 Apr 2012 |
| RO-2011-007 | Parting of train 9827 near Gunning, NSW on 30 March 2011 | 30 Mar 2011 | Final | 23 Nov 2011 |
| RO-2011-008 | Derailment of bogie on freight train 4PM6 at Port Augusta, SA, 6 May 2011 | 06 May 2011 | Final | 21 Jan 2013 |
| RO-2011-009 | Rolling stock irregularity on train 5MP9 near Fisher, SA on 28 May 2011 | 28 May 2011 | Preliminary | 09 Sep 2011 |
| RO-2011-010 | Safe working irregularity involving train 8138 near Fish River, NSW on 10 July 2011 | 10 Jul 2011 | Discontinued | N/A |
| RO-2011-011 | Collision between freight train 3SP7 and road-rail vehicle near Menindee, NSW on 13 July 2011 | 13 Jul 2011 | Final | 22 Nov 2011 |
| RO-2011-012 | Partial train separation of XPT ST24 near Broadmeadows, Victoria on 11 August 2011 | 11 Aug 2011 | Final | 26 Apr 2013 |
| RO-2011-013 | Safeworking breach – track machine BC7, Bogan Gate, NSW on 15 August 2011 | 15 Aug 2011 | Final | 26 Sep 2012 |
| RI-2011-015 | Investigation of rail operations on the interstate rail line between Melbourne and Sydney | 16 Aug 2011 | Interim Factual | 08 Feb 2012 |
| RO-2011-016 | Collision between train 1901S and train 5132S at Dry Creek, South Australia on 11 October 2011 | 11 Oct 2011 | Final | 03 Apr 2013 |
| RO-2011-017 | Derailment of 7SP5 between Caragabal and Wirrinya, NSW, 23 October 2011 | 23 Oct 2011 | Preliminary | 19 Mar 2012 |
| RI-2010-014 | Investigation into the procedures and practices used to provide access to track, NSW | | Discontinued | 21 Nov 2011 |
| RO-2011-018 | Collision between a coal train BC151 and an excavator near Maitland NSW on 20 December 2011 | 20 Dec 2011 | Final | 27 Mar 2013 |
| RO-2011-019 | Derailment of freight train 7AD1 at Edith River near Katherine, NT on 27 December 2011 | 27 Dec 2011 | Final | 19 Sep 2012 |