As the district continues to expand, the number of motor vehicles have also multiplied, among them over 400 share autos, leading to traffic snarls on main roads.
Despite several complaints being made to the Perambalur police, no action has yet been taken.
Activists said the civic body must fix the damaged portions using a wet mix or bitumen layer.
They say jelly powder and stones fall off the transport vehicles, posing threat to the commuters. The Perambalur-Manamadurai National Highway 226 was widened in 2016.
Motorists complain they lose focus by the rattling noise when they drive over a metal cover of a gas pipeline installed on Vilankurichi road.