Although the package was designed to analyze several indicators to compare accident
situations during holiday periods and typical days, this paper only presented an example case
of alcohol drinking. As can be seen from Figure 16 that during the two festivals (New Year
Festival and Songkran Festival), drunk drivers were increased by 11 percent and 7 percent,
respectively. Obviously, the Thais celebrate their holiday festivals by drinking and drive
carelessly. These findings can be used as a guideline for concerned agencies that alcohol is
one of the significant contributing factors in road accidents in Khon Kaen during the holiday
periods.