THE FORGOTTEN HIGHWAY: RIDING CALIFORNIA'S RIDGE ROUTE – Road Bike Action
California History: The Ridge Route – Ricochet
Old Ridge Route and Interstate 5 through Grapevine Canyon
Southern California Regional Rocks and Roads - Virtual Tour of the Ridge Route
File:Ridge Route ca 1920 2.jpg - Wikimedia Commons
Ridge Route - Map
Lost Hotels on California's Historic Ridge Route by Harrison Irving Scott
Old Ridge Route Road in Angeles National Forest
California History: The Ridge Route – Ricochet
Ridge Route - Home
File:Ridge Route ca 1920 4.jpg - Wikimedia Commons
Southern California Regional Rocks and Roads - Views From The Ridge Route
Ridge Route history: The long and winding road | News | bakersfield.com
97 Ridge Route ideas | route, newhall, san joaquin valley
California History: The Ridge Route – Ricochet
US 99: The Ridge Route
The Ridge Route - YouTube
Ridge Route, pioneering LA-to-Bakersfield highway, hits 100 | News | bakersfield.com
Southern California Regional Rocks and Roads - Virtual Tour of the Ridge Route
The Ridge Route (Tejon - Castaic Ridge Rd.) between Los Angeles & Bakersfield California (1920's Souvenir Postcard Folder): Buster Keaton, Mary Chesrown: Amazon.com: Books
Ridge Route Preservation Organization – Working to protect and preserve the Scenic and Historic 1915 Ridge Route
Ridge Route - Wikipedia
SCVHistory.com | Ridge Route | Part 1: The Route Over the Ridge, by Dr. Alan Pollack
The Old Ridge Route - Gorman, CA - U.S. Route 99 - The Pacific Highway on Waymarking.com
Ridge Route - Wikipedia
