I claim the ornamental design for a track for traction of a vehicle, as shown and described.
FIG. 1 is a perspective view of a track for traction of a vehicle in accordance with an embodiment of the design;
FIG. 2 is a top plan view of the track for traction of a vehicle of FIG. 1;
FIG. 3 is a bottom plan view of the track for traction of a vehicle of FIG. 1;
FIG. 4 is a rear view of the track for traction of a vehicle of FIG. 1; and,
FIG. 5 is a left side elevation view of the track for traction of a vehicle of FIG. 1.
The broken lines shown in the drawings are for the purpose of illustrating portions of the track for traction of a vehicle and form no part of the claimed design.