| 04/08/2016 | ACCC commenced review under the Merger Process Guidelines. |
| 18/08/2016 | ACCC requested further information from Aurizon. |
| 19/08/2016 | Closing date for submissions. ACCC assessing information provided during market inquiries and consulting with merger parties on any relevant issues or concerns arising. |
| 29/08/2016 | Former provisional date for announcement of findings (29th September) is delayed pending provision of the information by Aurizon. |
| 30/08/2016 | ACCC received information from Aurizon. |
| 06/10/2016 | ACCC published a Statement of Issues outlining preliminary competition concerns. |
| 21/10/2016 | Following an announcement by Glencore that it had reached an agreement to sell GRail to Genesee & Wyoming Australia, the ACCC discontinued this review. |
