Barstow has grown quite a bit since this photo was taken. Shown here, the original Main Street exit, which was originally built as a freeway-freeway interchange meant for US 466 / State 58 and connected Main Street (Former US 66 and US 91) to the then-new freeway. The Main Street interchange was redone in 1998 …
A Santa Ana wind event in January 2026 cleared the air after a storm, revealing some impressive vistas. Here, you can see snow-capped Mt San Gorgonio in the San Bernardino Mountain, about 90 miles away from the University City area of San Diego at sunset. The hills in the middle-ground are near San Marcos.
Two new videos have come out recently. The Historic Highway 99 Association of California has produced a video on the North Burbank Underpass, a structure removed in 2014 along old US 99 in Burbank, California. The second video is on the Cronese Cat near Baker, California along the 15.
We’re starting a new series called “RoadTalk with Michael Ballard” where we’ll talk about the highways and byways of Southern California. Other topics include the railroads, geology, and history. The first video in the series is on old US 91 where it merges with I-15 near Field Road. If you have a topic you’d like …
The Historic Highway 99 Association of California has posted another episode of their “History along US 99” series. This time they talk about a section of 1930’s concrete in Ontario, California. Come check it out!
Southern California Regional Rocks and Roads
Exploring the highways, geology, history and landscapes of Southern California.