The ornamental design for an indicatorpole for towedvehicles, as shown and described.
FIG. 1 is a reduced perspective view of an indicator pole for towed
vehicles showing my new design, with the broken line showing for
illustrative purposes only and forming no part of the claimed design;
FIG. 2 is an enlarged explored front elevational view thereof, with the
opposite sides being a mirror image, and with the pole broken away in the
center for clarity of illustration only;