Question

the sign with this shape and color is a ______ sign. no passing zone wrong way railroad crossing stop

Explanation:

A yellow pennant - shaped sign is used to indicate a "No passing zone". The "Wrong way" sign is typically rectangular with black and white colors. The "Railroad crossing" sign is an X - shaped crossbuck (often with additional lights and gates). The "Stop" sign is an octagon.

Answer:

No passing zone