1643: “Why Are Stop Signs Octagons?”

E1643 - 1643: “Why Are Stop Signs Octagons?”

Published: May 5, 2026

Duration: 2:59

Interesting Things with JC #1643: “Why Are Stop Signs Octagons?” - Engineers choose an eight-sided stop sign for a reason! This episode explores the rise of automobiles, the chaos of early American roads, and how the octagon became one of the most recognized warning symbols in the world. This Story is inspired by Dr. Igo - thank you for your support!