Vehicle system for transporting goods by rail in railway operation and by road in road operation, having a vehicle chassis having a vehicle frame, which vehicle chassis comprises at least one longitudinal vehicle side and at least one transverse vehicle side, having at least one undercarriage arranged in and/or below the vehicle chassis, wherein the undercarriage comprises at least two rail wheel sets and at least one road undercarriage, and having a support device for lifting and/or supporting the vehicle chassis, characterized in that the undercarriage comprises a carrying device arranged below the vehicle frame, formed as an underslung carrier and comprising at least one carrier element extending parallel to the longitudinal vehicle axis, which carrying device is for carrying at least one pair of road wheel independent suspensions for road operation, which pair is opposite with respect to the longitudinal vehicle side of the vehicle system, and in that each road wheel independent suspension comprises a rotating device arranged on the carrying device, with which each road wheel independent suspension can be rotated about a respective suspension axis of rotation running parallel to the direction of the longitudinal vehicle side of the vehicle system in such a manner that the road wheel independent suspension can be pivoted under the vehicle chassis in railway operation, wherein the carrying device can be adjusted in height and can be locked in at least two positions, the carrying device being adjustable in height along a guide device extending substantially perpendicular to the direction of the longitudinal vehicle side, wherein the guide device comprises in particular four guide rods, the carrying device comprising a rigid frame, the carrying device comprising per road wheel independent suspension or per side of the vehicle system a continuous carrier rotatable by means of a first piston cylinder device, which continuous carrier can be locked in a road operation position and/or in a railway operation position via a locking device, and which is rotatably mounted in one or several cantilever arms arranged on the carrying device, and wherein the locking device for locking the continuous carrier comprises pins, which can be actuated via a second piston cylinder device. having a vehicle chassis having a vehicle frame, which vehicle chassis comprises at least one longitudinal vehicle side and at least one transverse vehicle side, having at least one undercarriage arranged in and/or below the vehicle chassis, wherein the undercarriage comprises at least two rail wheel sets and at least one road undercarriage, and having a support device for lifting and/or supporting the vehicle chassis, characterized in that the undercarriage comprises a carrying device arranged below the vehicle frame, formed as an underslung carrier and comprising at least one carrier element extending parallel to the longitudinal vehicle axis, which carrying device is for carrying at least one pair of road wheel independent suspensions for road operation, which pair is opposite with respect to the longitudinal vehicle side of the vehicle system, and in that each road wheel independent suspension comprises a rotating device arranged on the carrying device, with which each road wheel independent suspension can be rotated about a respective suspension axis of rotation running parallel to the direction of the longitudinal vehicle side of the vehicle system in such a manner that the road wheel independent suspension can be pivoted under the vehicle chassis in railway operation, wherein the carrying device can be adjusted in height and can be locked in at least two positions, the carrying device being adjustable in height along a guide device extending substantially perpendicular to the direction of the longitudinal vehicle side, wherein the guide device comprises in particular four guide rods, the carrying device comprising a rigid frame, the carrying device comprising per road wheel independent suspension or per side of the vehicle system a continuous carrier rotatable by means of a first piston cylinder device, which continuous carrier can be locked in a road operation position and/or in a railway operation position via a locking device, and which is rotatably mounted in one or several cantilever arms arranged on the carrying device, and wherein the locking device for locking the continuous carrier comprises pins, which can be actuated via a second piston cylinder device.