In June 2011 it ceased trading as a separate brand, and became part of QR National (now known as Aurizon).

Four 421 class locomotives were purchased in 1990[1] and along with some former South Australian Railways steel and State Rail Authority carriages were restored to operational condition at Junee Locomotive Depot before moving to Casino in October 1996.

[2][3] On 22 September 1997, Northern Rivers Railroad commenced operating cement and flyash trains from Grafton to Casino and Murwillumbah under sub-contract to FreightCorp.

[10] In March 2002, Northern Rivers Railroad was purchased by Queensland Rail and rebranded Interail, fulfilling a long held ambition of to expand beyond its state borders.

To operate the intermodal services two X class and two G class locomotives were transferred from Freight Australia as part of a deal requiring CRT Group to receive 10,000 hp (7,500 kW) of locomotive power should Freight Australia be sold to a competitor of CRT, which it was when sold to Pacific National.