| 
 |   The ornamental design for a traffic control umbrella, as shown and described.   | |||||||||||||||||
FIG. 1 is a front perspective view of a traffic control umbrella in a first position of use by a youth crosswalk guard. The broken outline of the guard and a pedestrian is for illustrative purposes and forms no part of the claimed design.
FIG. 2 is a side perspective view of the traffic control umbrella of FIG. 1 in a second position of use rotated 90 degrees by the youth crosswalk guard. Similarly, the broken outline of the guard and a pedestrian is for illustrative purposes and forms no part of the claimed design.
FIG. 3 is a front perspective view of the traffice control umbrella in a first position of use by a road worker. Similarly, the broken outline of the guard and a pedestrian is for illustrative purposes and forms no part of the claimed design; and,
FIG. 4 is a side perspective view of the traffice control umbrella of FIG. 3 in a second position of use rotated 180 degrees by the road worker. Similarly, the broken outline of the road worker is for illustrative purposes and forms no part of the claimed design.
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