Tiaong, Quezon 23 March 2015 President Benigno S. Aquino III was given an update on the South Luzon Expressway (SLEX) Toll Road 4 (TR4) Project and other major projects in Southern Tagalog held in Tiaong, Quezon. “Layunin nga po ng proyektong ito na pabilisin ang transportasyon at magbunsod ng kaunlaran hindi lamang sa Kamaynilaan kundi continue reading : Briefing on the South Luzon Expressway (SLEX) Toll Road 4 (TR4) Project and Other Major Projects in Southern Tagalog