The CBA Guidelines for the Transport Sector (Bulgaria, 2008) provide a framework for conducting transport infrastructure cost‑benefit analysis as part of project appraisal and prioritization. They instruct analysts to compare incremental impacts of a project “with” vs “without” the project and sum the resulting benefits and costs. Typical benefit categories include vehicle operating cost savings, travel time savings, safety improvements, and environmental benefits, with their relative importance depending on the type of transport investment (e.g., new road, rehabilitation, black‑spot improvements). The guidelines also outline recommended presentation formats for economic and financial analysis results, helping ensure consistent reporting and comparison across project options. These guidelines were prepared to support effective transport planning and economic decision‑making in Bulgaria’s transport sector.
