Shadow primary industries and regional development minister Eddie Hughes has joined calls for the South Australian government to release the Eyre Peninsula Freight Strategy.
The state opposition has called on transport and infrastructure minister Stephan Knoll to release the report done between the Department of Planning, Transport and Infrastructure and rail operator Genesee and Wyoming Australia.
Mr Hughes said the Eyre Peninsula communities deserved to know what options were in the report.
"The Marshall Liberal Government continually claims that 'regions matter' but late last year it abandoned the Overland train service and now it is walking away from another important regional rail network," he said.
"We know Minister Knoll is sitting on a report which would contain options for keeping the EP rail line open, EP communities deserve to know what those options are."
Mr Hughes said when Labor was in government it worked constructively with stakeholders to ensure there were commercially viable freight options.
However Mr Knoll said Labor's claims of standing up for regions was "laughable".
"The Marshall Government is delivering for people in regional South Australia, who were neglected for 16 years by Labor," he said.
Mr Knoll said in the first state budget the government announced a $315 million regional roads and infrastructure fund and were upgrading roads on the Eyre Peninsula.
These include a $2.85 million upgrade to the Lincoln Highway and $2.9 million for the Tod and Birdseye highways.
"All projects which Labor neglected and never prioritised for funding in 16 years in government," Mr Knoll said.
Mr Knoll said the Marshall Government would continue to invest in regions, particularly regional infrastructure.
Eyre Peninsula Local Government Association president Sam Telfer has met with state and federal leaders to push for a solution.
Mr Telfer said he had met with Mr Knoll and invited him to come to the Eyre Peninsula to see the situation for himself.
"I've also spoken with other councils to make sure we were on the same page and had the same ideas that I did," he said.
"I hope to see a joint state and federal announcement soon about these issues that are most pertinent at the moment."