Specifications include, but are not limited to:. GDOT intends to solicit responses to design, construct, and finance the project under a Design-Build-Finance (DBF) agreement. The proposed project will include the reconfiguration of the I-285 at I-20 West Interchange and improvements along I-20 (Project). On I-20, the Project will begin at the Factory Shoals Road overpass, just East of the Thornton Road Interchange, and will end East of the I-285/I-20 Interchange at Hamilton E. Holmes Drive. The Project also includes lane modifications on I-285 from Martin Luther King Drive South of the I-285/I-20 Interchange to Donald Lee Hollowell Parkway NW, the addition of a westbound collector-distributor lane on I-20 from the I-285/I-20 Interchange to Fulton Industrial Blvd., auxiliary lanes on I-20 and bridge replacements and widenings along I-20 and within the interchange. The Project shall not preclude the design and construction of the future I-20 West Express Lanes (PI 0013916) and the future I-285 Westside Express Lanes (0013917) projects.