Anhui Expressway announced that due to the need for construction of the Guozidun interchange to Wan'e boundary section of the G50 Shanghai-Chongqing Expressway expansion project, the company intends to sign a survey and design contract for the expansion project with Anhui Transport Consulting & Design Institute, commissioning them to carry out full-line expansion project design, investigation and design of full-line transportation engineering and existing mechanical and electrical facilities, investigation and evaluation of existing building projects, preparation of preliminary budget documents, and other work. The contract period is 36 months, and the total survey and design fee is 88 million yuan (including a provisional sum of 4 million yuan).