In order to spur development in the province, The Toll Regulatory Board declared Toll Road 5 the extension of South Luzon Expressway. A 420-kilometer, four lane expressway starting from the terminal point of the now under construction SLEX Toll Road 4 at Barangay Mayao, Lucena City in Quezon to Matnog, Sorsogon, near the Matnog Ferry Terminal. On August 25, 2020, San Miguel Corporation announced that they will invest the project which will reduce travel time from Lucena to Matnog from 9 hours to 5.5 hours.