The Expressway Authority of Thailand (EXAT) said no tolls will be charged at the three expressways for 24 hours immediately after midnight.
The move aims to make travel easier and reduce expenses, as well as mitigate traffic jams at tollways, it added.
The three expressways that will not charge toll fees are:
Apart from Chulalongkorn Memorial Day, expressway tolls will also be waived on the following dates: