The Trumbull superintendent warned parents in town Tuesday that school bus drivers could go on strike.

Trumbull School Superintendent Martin Semmel says contract negotiations between the bus drivers' union and the bus company are still ongoing with no final agreement reached.

The bus drivers work for Durham School Services and met Monday for a contract meeting.  A bus driver tells News 12 they were in contract negotiations late into the night.   

The bus union's executive board member says workers have been without a contract since August 2019 when their contract with Datco bus company expired.

He says they've been in negotiations with Durham ever since.

The union also claims bus drivers aren't given enough PPE, and that the buses aren't thoroughly cleaned at the end of each shift.

Officials tell News 12 that if no agreement is reached within 60 days from Tuesday, there is a potential for a strike to occur.