The deceased were identified as Md Sultan, 32, son of late Ahammad Mia of East Gomdandipara village in Boalkhali Upazila and Abdul Hamid, 48, son of Abdur Rahim, hailing from Magua village in Nangalkot upazila in Cumilla district.
In Potia upazila, a gas cylinder-laden truck overturned and fell on the motorcycle riding by Sultan at Choumohoni around 2pm, leaving him dead on the spot, said ABM Mizanur, in-charge of Potia Crossing Highway Police Camp.
On information, police managed to seize the truck from the spot, he added.
In Sitakunda, driver Abdul Hamid was killed after being hit by his pick-up van on Dhaka-Chattogram Highway at Bashbaria village in Sitakunda upazila.
Sun-inspector Mahbubur Rahman of Kumira Highway Police check post said Hamid was standing in front of his pick-up van around 11 am while labors were loading goods.
The victim went under the wheels of the vehicle when it moved forward on the sloppy road, leaving him dead on the spot.