Effective September 1, 2009, under the authority of Senate Bill 480 as codified in , the Texas Transportation Commission (TTC) may enter into an environmental covenant for the purpose of subjecting real property in which TxDOT has an ownership interest to a plan or the performance of work for environmental corrective action.

TxDOT may enter its real property into an environmental covenant at its own initiative or at a request from a third party.