Specifications include, but are not limited to: The work consists of highway, interchange, and toll system construction at Exit 35 in Saco and modifications to the Exit 36 Interchange in Saco. The work includes a new interchange at MM 35, including southbound and northbound ramps, a new southbound toll plaza on the west side of the Maine Turnpike with a signalized intersection at Route 112, a new northbound toll plaza on the east side of the Maine Turnpike with a signalized intersection at Route 112, widening of the southbound Maine Turnpike to construct a separated collector-distributor road, widening of Route 112, and construction of access roads. The work includes earthwork, pavement, concrete, signing, overhead sign structures, concrete barrier, guardrail, drainage, stormwater management, electrical work, highway lighting, lightning suppression systems, and maintenance of traffic. The toll plaza work includes installation of tolling equipment, administration buildings, canopies, and toll booths and all other work incidental thereto in accordance with the Plans and Specifications.