The project involves the upgrading and modernization of the 40 kilometers national road S.S. 275-section Maglie – S. Maria di Leuca. The basic section is composeded by two lanes in each direction and a central reservation, in compliance with section B of D.M. 5.11.2001 requirements. The existing road from Maglie to Montesano Salentino (approximately 18 kilometers) is upgrated to two lanes, while a new corridor is designed for the alignment until Leuca. The project includes 16 interchanges, 2 cut and covers, 20 flyovers, 14 underpasses, upgrading of 3 existing structures and a wooden pedestrian bridge.