Self-propelled rolling machine, in particular for depositing bulk materials on the ground for road surfacing, the machine comprising a chassis, wheels (3, 4, 5) for rolling on the ground, rotatably mounted on the chassis, the chassis carrying a motor for driving at least one drive wheel (3, 4) among the rotating wheels (3, 4, 5), a tank for storing and distributing bulk materials and a rear handlebar for maneuvering, characterized in that the chassis carries a transmission mechanism for connecting the drive motor to the at least one drive wheel (3, 4) either in a forward connecting position of the at least one drive wheel (3, 4), or in a reverse connecting position of the at least one drive wheel (3, 4), or in a stop position of the at least one drive wheel (3, 4), the handlebar carrying a control handle connected to the transmission mechanism for controlling the transmission mechanism in one of its positions, the control handle being rotatably mounted relative to an axis on the handlebar, the control handle having a first forward control position for controlling the transmission mechanism according to the forward connecting position, a second reverse control position for controlling the transmission mechanism according to the reverse connecting position, and a third stop control position for controlling the transmission mechanism according to the stop position, the control handle in the third stop control position being further back than in the first forward control position and further forward than in the second reverse control position relative to the handlebar, the rolling machine comprising a user anti-crushing guard, the user anti-crushing guard being: - integral in rotation with the control handle, - located further back than the control handle and the handlebar in the second reverse control position of the control handle, and - configured to cause rotation of the control handle from the second reverse control position to the first forward control position or to the third stop control position, when a forward force is exerted against the anti-crush guard in the second reverse control position of the control handle. the chassis carrying a motor for driving at least one drive wheel (3, 4) among the rotating wheels (3, 4, 5), a tank for storing and distributing bulk materials and a rear handlebar for maneuvering, characterized in that the chassis carries a transmission mechanism for connecting the drive motor to the at least one drive wheel (3, 4) either in a forward connecting position of the at least one drive wheel (3, 4), or in a reverse connecting position of the at least one drive wheel (3, 4), or in a stop position of the at least one drive wheel (3, 4), the handlebar carrying a control handle connected to the transmission mechanism for controlling the transmission mechanism in one of its positions, the control handle being rotatably mounted relative to an axis on the handlebar, the control handle having a first forward control position for controlling the transmission mechanism according to the forward connecting position, a second reverse control position for controlling the transmission mechanism according to the reverse connecting position, and a third stop control position for controlling the transmission mechanism according to the stop position, the control handle in the third stop control position being further back than in the first forward control position and further forward than in the second reverse control position relative to the handlebar, the rolling machine comprising a user anti-crushing guard, the user anti-crushing guard being: - integral in rotation with the control handle, - located further back than the control handle and the handlebar in the second reverse control position of the control handle, and - configured to cause rotation of the control handle from the second reverse control position to the first forward control position or to the third stop control position, when a forward force is exerted against the anti-crush guard in the second reverse control position of the control handle. - integral in rotation with the control handle, - located further back than the control handle and the handlebar in the second reverse control position of the control handle, and - configured to cause rotation of the control handle from the second reverse control position to the first forward control position or to the third stop control position, when a forward force is exerted against the anti-crush guard in the second reverse control position of the control handle.