Caltrans, District 7, Highways, History, I-5, Image, Los Angeles County, Old Alignment, Old Bridge, Railroads, Rivers, Roads, Santa Clara River, Santa Clarita, Saugus, Southern Pacific, SR-126, US 99 Image of the Week – 3/15/15 Image March 14, 2015 Michael F Ballard Leave a comment Interstate 5 under construction at Magic Mountain Parkway and the Santa Clara River in 1964. Old US 99 is visible on the right side. Share This: Email a link to a friend (Opens in new window) Email Share on Bluesky (Opens in new window) Bluesky Share on Threads (Opens in new window) Threads Share on Mastodon (Opens in new window) Mastodon Share on Facebook (Opens in new window) Facebook Share on Telegram (Opens in new window) Telegram Share on Reddit (Opens in new window) Reddit More Share on LinkedIn (Opens in new window) LinkedIn Share on X (Opens in new window) X Share on Tumblr (Opens in new window) Tumblr Share on Pocket (Opens in new window) Pocket Share on WhatsApp (Opens in new window) WhatsApp Share on Pinterest (Opens in new window) Pinterest Share on Nextdoor (Opens in new window) Nextdoor Print (Opens in new window) Print Related Discover more from Southern California Regional Rocks and Roads Subscribe to get the latest posts sent to your email. Type your emailโฆ Subscribe