Three people, including a woman, were killed and another was injured when a private car veered off the Mawa Expressway in Sreenagar upazila of Munshiganj early Thursday.
The identities of the victims could not be confirmed immediately.
Munshiganj Fire Service and Civil Defence Deputy Assistant Director Shafiqul Islam said the Dhaka-bound car overturned after hitting the railing of a road divider around 6am. Two passengers died on the spot, while two others were taken to Sreenagar Upazila Health Complex, where physicians declared one of them dead.
Hasarda Highway Police Station officer-in-charge Abdul Quader said traffic on the Dhaka-bound lane was disrupted following the crash but normalised around 7am after the wrecked vehicle was removed.
The bodies of the victims were later handed over to police, he added.