Assistant police inspector Vijay M Khare of Narpoli police station in Bhiwandi said that due to prohibition of vehicular traffic on the bridge which is being repaired, traffic has been diverted through Bhiwandi and Mankoli, causing traffic jams.
It was the assistant police inspector Pravin S Sonawane (50) attached to the Thane District Rural Police headquarters who was also among those assigned the task of regulating the traffic and clearing the traffic jams on the road near Mankoli.
His body has been sent for postmortem, the police said adding that the truck driver has been taken into custody.
An offence has been registered under Sections 279, 304, 427 of the Indian Penal Code and Section 184 of the Motor Vehicles Act, the police said.
The local Narpoli police station is probing further, the police said.