Feasibility report: This includes detailed design of highways, bridges, pavement, and other structures. It also includes cost estimates, economic and financial viability analysis, environmental and social feasibility, and social and environmental action plans.
Detailed project report: This includes defining work packages, planning site logistics, detailing construction sequence, and coordinating with vendors.
Surveys and investigations: This may include various surveys and investigations.
Preliminary design: This may include preliminary design.
Economic and environmental analysis: This may include economic and environmental analysis.
Final project report: This may include final project report and final drawings