The Volvo B9TL is a low-floor double-decker bus built by Volvo from 2002 until 2018. It superseded the Volvo Super Olympian and the Volvo B7TL. The 2-axle version has been superseded by the Volvo B5TL in 2014 and the 3-axle version has been superseded by the Volvo B8L in 2018.