DAVAO CITY --- The Department of Public Works and Highways (DPWH) is about to roll out the construction of two (2) 2.3 kilometer tunnel which corresponds to the central portion of the Davao City Bypass Construction Project in Southern Mindanao financed by Official Development Assistance (ODA) of the Government of Japan thru Japan International Cooperation Agency … [Read more...] about Tunneling for Davao City bypass road starts in July