Question

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

Explanation:

The sign in the image is a yellow triangle, which is a standard shape for warning signs. Among the options, "Railroad crossing" is a warning sign. "No passing zone" is a regulatory sign (usually rectangular), "Wrong way" is a regulatory sign (usually rectangular with a red border), and "Stop" is a regulatory sign (octagonal).

Answer:

Railroad crossing