Three Eye's Have I, All In A Row. When Red, All Freeze. What Am I?

Riddle: Three eye's have I, all in a row. When red, all freeze. What am I?

Answer: A stoplight.

Source: https://www.riddles.com/index.php/1354

Three eye's have I, all in a row. When red, all freeze.
What am I? — Three eye's have I, all in a row. When red, all freeze. What am I? by Anonymous v1.

Riddle: Three eye's have I, all in a row. When red, all freeze.
What am I? Answer: A stoplight. — by Anonymous v2.