I claim the ornamental design for a material transport, as shown and described.
FIG. 1 is a perspective view of the material transport.
FIG. 2 is a top view of the material transport.
FIG. 3 is a bottom view of the material transport.
FIG. 4 is a side view of the material transport.
FIG. 5 is a first end view of the material transport; and,
FIG. 6 is a second end view of the material transport.
The broken lines shown in the drawings depicting items such as a ladder and wire attachment component represent unclaimed subject matter and form no part of the claimed design.