Photo gallery: Riding California's abandoned Old Ridge Road - CyclingTips
Old Ridge Route and Interstate 5 through Grapevine Canyon
THE FORGOTTEN HIGHWAY: RIDING CALIFORNIA'S RIDGE ROUTE - Road Bike Action
Ridge Route - Wikipedia
Ridge Route Tunnels - Lake Forest, CA | Facebook
Trail Ridge Road - Rocky Mountain National Park (U.S. National Park Service)
Why a historic highway that united California's two halves may never reopen to cars - Los Angeles Times
SCVHistory.com LW2021 | Ridge Route | Grapevine Grade, Postcard 1920s.
From Footpaths to the Grapevine: A Brief History of Southern California's Ridge Route | Lost LA | Food & Discovery | KCET
SCVHistory.com | Ridge Route | Part 1: The Route Over the Ridge, by Dr. Alan Pollack
Dead Man's Curve- Old Ridge Route | This is a shot of Dead M… | Flickr
SCVHistory.com LW3454 | Ridge Route | U.S. Highway 99 at Piru Gorge, ~1950s.
Ridge Route - Home
Ridge Route - Wikipedia
Ridge Route Ultra
California's Historic Ridge Route
Ridge Route Preservation Organization
Ridge Route, pioneering LA-to-Bakersfield highway, hits 100 | News | bakersfield.com
View of the Ridge Route (Castaic-Tejon Route), a two-lane highway between Los Angeles and Bakersfield, California, USA -- Serpentine Drive. 1921 Stock Photo - Alamy
Ridge Route - Wikipedia
Jewel of a Historical Ride: The Old Ridge Route - CiclaValley
Wildhorse Ridge Route - Alberta, Canada | AllTrails
Ridge Route - Wikipedia
