Welcome to Episode 17 of the Tejon Ranch History Podcast. As we near the end of this series (only two more episodes left!), learn about the mighty I-5, built from the Canadian to the Mexican border. Before that? There was the Ridge Route Road, built in 1914. Imagine carving out a road through mountain ridges and canyons with no more than hand tools and mules. (Hint: It wasn’t easy).