The agency expects to receive a license renewal for the project in 2010.
Curtis himself would receive no salary for the project, which was to last more than 20 years.
The conservancy received the final plans for the project in October, she said, and tried to exert political pressure to have them changed.
The next step in receiving full federal financing for the project is the final design.
The company said it expects to receive Federal approval for the project next month.
The village received state and county financing for the project, which opened in the early 90's.
He received a grade of "C" for the project.
Local officials said they never received final designs for the $3.6 million project.
Development of the transit center is contingent on receiving government funding for the project.
Other artists received commissions for the project but their murals were ultimately not used.