This document provides an environmental impact assessment addendum for upgrading and rehabilitating an additional 3 km section of road from Sharifabad to Dadahara in Khyber Pakhtunkhwa, Pakistan. The project involves widening the existing 4.5-5 m roadway and includes 18 culverts/bridges and covered side drains for drainage. It is expected to have mostly moderate environmental impacts that can be mitigated through measures in the environmental management plan with minimal costs.