NEWTON (CBS) – Part of a modular office toppled over onto I-95 Northbound in Newton Thursday morning.

A wall of the prefabricated building landed in the the breakdown and low speed lanes of the highway along with the on ramp from Route 16 Eastbound.

As of noon, all four lanes of the highway had been re-opened.

The Route 16 ramp remained shut down.

Several tow trucks were on scene as crews worked to remove the debris. Traffic remained backed up as a result of the accident.

There were no immediate reports of any injuries.