Authorities are responding to an accident on the Kansas Turnpike in Butler County, near the west exit in El Dorado.
It happened around 9 p.m. Saturday night.
Butler County dispatch says there were two people with minor injuries.
They are still gathering information on the type of bus involved in the accident.
There are several crews out there for traffic control.
Kansas Turnpike officials say northbound traffic is open in the left lane but the right lane is still closed.
There is no word yet on the cause of the accident.