• Preparation of 1/25000 scale preliminary project of alternate routes survey,
• 1/5000 scale preliminary project of highway route alternates,
• Production of 1/5000 scale photogrammetric maps,
• Preparation of 1/5000 scale preliminary project of 204.1 km long highway with 2x3 lanes and preliminary project of linking roads' with 2x2, 2x3, 2x4 lanes with total length of 30.3 km,
• 1/5000 scale preliminary projects of 11 interchanges,
• 1/5000 scale preliminary projects of 8 highway service facilities
• Preparation of 1/5000 scale hydrological and hydraulic evaluation,
• Preliminary projects of bypass roads and landscaping,
• Projects of the retaining walls,
• Preparing preliminary projects of road displacements,
• Preparation of maintenance and operation facilities and toll booths projects,
• Preliminary projects of 23 viaducts with a total length of 13946 meters (dual platform),
• Preliminary projects of 65 overpasses,
• Preliminary projects of 29 interchange bridges,
• Preliminary projects of 160 underpasses,
• Preliminary project of 559 culverts,
• Preliminary projects of 1 dual-tube tunnel (Left Tube at length of 3754.94 m and Right tube at length of 3649.29 m.) and 1 cut-and-cover tunnel with length of 670 meters),
• Preparation of 1/25000 scale preliminary project of geological feasibility assessment and 1/5000 scale preliminary project's engineering geology survey report and preparation of preliminary project's geological-geotechnical survey report,
• Cross-sections of preliminary project,
• Mass‐haul diagram,
• Quantities and preliminary project report,
• Preparing traffic study report and feasibility report