However, the drivers of the two vehicles managed to flee on foot after abandoning their vehicles.
The two vehicles refused to stop at a road checkpoint manned by district officials and civilian volunteers in front of the PTT petrol station in Moo 4 village in Tambon Thator in Maharaj at 10pm.
After the vehicles were abandoned, 4.2 million meth pills were found in a white Mitsubishi Pajero SUV and another 180,000 pills in a black pickup.