THE Toll Regulatory Board (TRB) said toll road operator Ayala Corp. petitioned for a periodic toll rate adjustment at the Muntinlupa-Cavite Expressway (MCX) as provisional relief provided in its concession agreement with the government. In a bulletin published in a newspaper on Tuesday, the TRB said Ayala Corp. sought for an adjustment in toll rate from P17 to P18.51 for Class 1 vehicles, from P34 to P37.62 for Class 2 and from P51 to P56.43 for Class 3. Users of the MCX are now invited to file a petition against the toll increase within 30 days from Nov. 13, which the TRB will review before issuing final decision on the concessionaire’s petition. — Denise A. Valdez