74 Pa.C.S. § 9106

A public entity may solicit transportation projects through a request for transportation projects. The public entity shall give public notice of a request for transportation projects consistent with section 9109(c) (relating to selection of development entities). Offerors shall submit their responses to the public entity in the form and manner required by the request for transportation projects. A public entity shall evaluate each response to determine if the response is in the best interest of the public entity. Upon being satisfied, the public entity may prepare and submit a request to the board to review the transportation project in accordance with this chapter.