Nine people were injured and brought to local hospitals after a bus crash on Interstate 95 southbound around 11 a.m. Wednesday, police said.
One of the nine sustained serious injuries, officials said. All other injuries were minor.
Two coach buses, a tractor-trailer and a car were involved in a crash between exits 31 and 30 in Stratford.
One bus was traveling from Boston to New York and the other was traveling from Canada to New York.
Several people were onboard, according to police. All other passengers refused treatment.
The driver of a tractor-trailer said a vehicle cut him off and he and the driver of a coach bus behind him slowed down suddenly.
However, the driver of another coach bus behind them could not stop in time and hit the first bus, pushing it into the truck, according to state police. A car behind the other vehicles was unable to stop and was also involved in the collision, police said.
Injured passengers were were taken to Bridgeport Hospital and St. Vincent's Medical Center.
Traffic was moving through the area again as of 2 p.m.
Police said they issued two infractions.