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:Click to email a link to a friend (Opens in new window)Click to share on Mastodon (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Nextdoor (Opens in new window)Click to print (Opens in new window) Related