EXAT has waived tolls on three expressways (Chalermmahanakhon, Si Rat, and Udon Ratthaya) all day on Wednesday 12 August 2026, a public holiday for Mother's Day. Drivers pay nothing at the 63 toll gates on those routes that day. If your staff or deliveries use these routes, plan routes and delivery schedules around it and expect lighter traffic. The waiver is a government and concession-policy decision, so it does not carry over to other days.