In Kushtia, two people were killed as a covered van hit a motorcycle in Bheramara Power House area at 4:30 pm, said Officer-in-Charge of Bheramara Police Station Shah Jamal.
The deceased were Parvez Mosharaf, 23 and Ringku Hossain, 24.
In Laxmipur, two men were killed as a bus collided with a CNG-run auto-rickshaw in Sadarghat area of Chandraganj.
Identities of the deceased could not be known yet.
Officer-in-Charge of Chandraganj Police Station said the accident occurred at 2:30 pm, killing two people on the spot.
Police has seized the bus and the autorickshaw, he said.
Also read: 2,329 killed in 2,159 road accidents over 6 months: SCRF report