Systems, methods, and instrumentalities are disclosed for a wireless transmit/receive unit (WTRU) configured to receive a configuration defining a dedicated radio resource assignment for a travel path, wherein the dedicated radio resource assignment comprises dedicated resources assigned to the WTRU in a plurality of cells and specifies a time interval when the resources will be dedicated to the WTRU in each of the plurality of cells; determine a first time has been reached and utilize dedicated resources in a first cell based on reaching the first time; and determine a second time has been reached and utilize dedicated resources in a second cell based on reaching the second time.