An autonomously moving transport system for transporting pallets and/or pallet cages, wherein the transport system comprises a pick-up apparatus for picking up the pallet and/or the pallet cage, wherein the transport system comprises a drive unit and a control apparatus, wherein the control apparatus comprises a data processing unit and an obstacle recognition device having a first sensor unit , wherein the first sensor unit is configured to generate a monitored field in order to examine a free placement area for the pallet and/or the pallet cage between other pallets and/or pallet cages for obstacles, wherein the control apparatus is configured to control the drive unit such that the transport system , in the absence of an obstacle, adopts a placement operating mode and moves the pallet and/or the pallet cage into the free placement area for placement, characterized in that in the placement operating mode: a) the obstacle recognition device is configured to deactivate the monitored field or not to output an obstacle recognition signal during the travel over the free placement area , at least until the placement of the pallet and/or the pallet cage on the free placement area ; or b) the data processing unit is configured to ignore an obstacle recognition signal of the obstacle recognition device during the travel over the free placement area , at least until the placement of the pallet and/or the pallet cage on the free placement area . wherein the transport system comprises a drive unit and a control apparatus, wherein the control apparatus comprises a data processing unit and an obstacle recognition device having a first sensor unit , wherein the first sensor unit is configured to generate a monitored field in order to examine a free placement area for the pallet and/or the pallet cage between other pallets and/or pallet cages for obstacles, wherein the control apparatus is configured to control the drive unit such that the transport system , in the absence of an obstacle, adopts a placement operating mode and moves the pallet and/or the pallet cage into the free placement area for placement, characterized in that in the placement operating mode: a) the obstacle recognition device is configured to deactivate the monitored field or not to output an obstacle recognition signal during the travel over the free placement area , at least until the placement of the pallet and/or the pallet cage on the free placement area ; or b) the data processing unit is configured to ignore an obstacle recognition signal of the obstacle recognition device during the travel over the free placement area , at least until the placement of the pallet and/or the pallet cage on the free placement area . a) the obstacle recognition device is configured to deactivate the monitored field or not to output an obstacle recognition signal during the travel over the free placement area , at least until the placement of the pallet and/or the pallet cage on the free placement area ; or b) the data processing unit is configured to ignore an obstacle recognition signal of the obstacle recognition device during the travel over the free placement area , at least until the placement of the pallet and/or the pallet cage on the free placement area . <EOS>