Abstract: A transport container configured for use with a dump truck tractor trailer. The container comprises: a) a pivotable lid configured to cover and expose an open top of the container, the open top allowing addition of contents to the container; b) a pivotable end gate configured to cover and expose an open back end of the container, the open back end allowing dumping of contents of the container; and c) at least one baffle inside the container, the baffle pivotably connected to opposing sidewalls of the container and forming a substantially vertical barrier preventing substantial movement of contents of the container past the baffle during dumping and transport when locked in a substantially vertical position by an operator-controlled retention mechanism operatively connected between the baffle and at least one of the opposing sidewalls of the container.

Abstract: A transport container configured for use with a dump truck tractor trailer. The container comprises: a) a pivotable lid configured to cover and expose an open top of the container, the open top allowing addition of contents to the container; b) a pivotable end gate configured to cover and expose an open back end of the container, the open back end allowing dumping of contents of the container; and c) at least one baffle inside the container, the baffle pivotably connected to opposing sidewalls of the container and forming a substantially vertical barrier preventing substantial movement of contents of the container past the baffle during dumping and transport when locked in a substantially vertical position by an operator-controlled retention mechanism operatively connected between the baffle and at least one of the opposing sidewalls of the container.