Quezon City to Mabalacat Edit Mabalacat to Tarlac City Edit Main article: Subic–Clark–Tarlac Expressway The central section of the E1 forms part of the Subic–Clark–Tarlac Expressway a 93.77-kilometer (58.27 mi) four-lane expressway built by the Bases Conversion and Development Authority (BCDA) a government owned and controlled corporation under the Office of the President of the Philippines. Construction of the expressway started on April 5 2005 while commercial operations started on April 28 2008 with the opening of the Subic-Clark Segment and Zone A of the portion of Clark-Tarlac Segment. The opening of Zones B and C of the remaining Clark-Tarlac Segment on July 25 2008 signaled the full operations of the SCTEX. Source: https://www.artikelschreiber.com/en/.