A413 closed after bus swerves off Aylesbury to Winslow Road
The road has been closed in both directions from Hoggeston to the junction near Swanbourne B4032.
Thames Valley Police issued the following statement: "A413 Aylesbury to Winslow is currently closed in both directions following an RTC.
The Road closure is in place from Hoggeston to the Swanbourne Junction on the B4032.
"Please find an alternate route through Stewkley."
The collision involved an Arriva Bus.
Twitter User Logan Walmsley said: "The crash involved the Arriva X60 bus - luckily nobody was hurt and it wasn't the drivers fault.
"The bus swerved off the road and then fell in a ditch.
"Nobody was hurt on the bus but I have seen the multiple other cars involved - some of the people inside were taken to hospital."