The agreement includes monthly payments from INDOT and communities along the route to keep the existing service for one year.
The state and Amtrak needs to decide the future of the Hoosier State Line by Wednesday when funding runs out.
There's still a question about who will foot the bill for the Hoosier State Rail service.
The state is reviewing its options for keeping the Amtrak line from Chicago to Indianapolis running after federal funding runs out October 1.
The Indiana Department of Transportation commissioned a study that said continuing the Hoosier State Line could cost the state millions of dollars.
Supporters of the Amtrak line in Indiana are making their case for why the state should allocate $3 million to make up for federal cuts.
Small towns along the Amtrak route are hoping the state will make up the shortfall, something that doesn't appear likely right now.
The hurricane has halted air travel at Detroit and Chicago.
Amtrak is asking the state for subsidies even as the Hoosier State Line lost riders during the past year.
Some of the cities Amtrak serves offer few alternative transportation options.