A system for transporting a plurality of wind turbine blades comprising: a plurality of root frame elements (30, 92) that are configured for supporting a root portion of a wind turbine blade, the root frame elements (30, 92) stacked on top of each other to form a plurality of blade stacks that are positioned in a side-by-side fashion with each other so wind turbine blades may be supported in a stacked array (62, 90); at least one bridging element (54, 94) spanning between a root frame element (30, 92) of one blade stack and a root frame element of an adjacent blade stack for laterally securing the blade stacks in the side-by-side fashion; at least one cross lashing element spanning diagonally across diagonally adjacent root frame elements (30, 92) of adjacent blade stacks and coupled to the said diagonally adjacent root frame elements (30, 92) of the adjacent blade stacks for increasing the stiffness of the blade stacks in the stacked array (62, 90), and wherein at least one root frame element (30, 92) is coupled to multiple diagonally adjacent root frame elements (30, 92) by cross lashing elements, wherein at least one root frame element (30, 92) is coupled to multiple diagonally adjacent frame elements (30, 92) of multiple adjacent blade stacks by cross lashing elements, the system is characterized in that the cross-lashing element spans diagonally across root frame elements (30, 92) of at least two adjacent blade stacks to couple at least two adjacent root frame elements (32, 90) together diagonally and a root frame element (30, 92) of an array includes cross-lashing element which overlaps with one or more other cross lashing elements secured to the said root frame element (30, 92). a plurality of root frame elements (30, 92) that are configured for supporting a root portion of a wind turbine blade, the root frame elements (30, 92) stacked on top of each other to form a plurality of blade stacks that are positioned in a side-by-side fashion with each other so wind turbine blades may be supported in a stacked array (62, 90); at least one bridging element (54, 94) spanning between a root frame element (30, 92) of one blade stack and a root frame element of an adjacent blade stack for laterally securing the blade stacks in the side-by-side fashion; at least one cross lashing element spanning diagonally across diagonally adjacent root frame elements (30, 92) of adjacent blade stacks and coupled to the said diagonally adjacent root frame elements (30, 92) of the adjacent blade stacks for increasing the stiffness of the blade stacks in the stacked array (62, 90), and wherein at least one root frame element (30, 92) is coupled to multiple diagonally adjacent root frame elements (30, 92) by cross lashing elements, wherein at least one root frame element (30, 92) is coupled to multiple diagonally adjacent frame elements (30, 92) of multiple adjacent blade stacks by cross lashing elements, the system is characterized in that the cross-lashing element spans diagonally across root frame elements (30, 92) of at least two adjacent blade stacks to couple at least two adjacent root frame elements (32, 90) together diagonally and a root frame element (30, 92) of an array includes cross-lashing element which overlaps with one or more other cross lashing elements secured to the said root frame element (30, 92).