All posts by Michael F Ballard

Michael F Ballard is the author and administrator of the Southern California Regional Rocks and Roads website, https://socalregion.com, since 1995. I have been studying the geology and highway history throughout southern California for most of my life. I am also the President of the Ridge Route Preservation Organization. Founder of the Historic Highway 99 Association of California, https://historic99.org .

New Ridge Route Website

Recently, I became a board member of the Ridge Route Preservation Organization. This group is dedicated to helping preserve and promote the historic Ridge Route in southern California. One of the first things I have done as a part of this group is to create a new website for the group. This site is an offshoot of the “RidgeRoute.Com” site, hosted by Harrison Scott. The new site will give updates on the progress we make regarding the roadway as well as any other news pertinent to the Ridge Route. Come take a look at “http://ridgeroute.org“.

Highway Tips #2 – Signs

Road signs come in many different sizes, shapes, and colors. Each one carries a specific meaning to help guide you down the road in a safe manner. This installment will discuss each of the types of signs and what they mean. Road signs come in a variety of colors. Each color has a meaning, which can be quite important to know. The colors run from red, yellow, white, blue, green, brown, and orange.

Old stop sign along Topanga Canyon Blvd in Los Angeles, CA.

Red signs mean something is prohibited. Only a few signs use this color – stop signs and wrong-way signs are the most common of these. Stop signs are also the only one that is octagonal. The color red was not the first choice, however. Stop signs used to be yellow with black lettering. Color might depend on where you were. Eventually, stop signs became standardized with a red background and white lettering. Yield signs and some no parking signs also use this color scheme. While yield signs don’t prohibit movement, they are there to warn you of opposing or side traffic.

High wind advisory sign along State 41 in central California/

Yellow signs are advisory or warning. Things such as upcoming intersections, curves, and other roadway hazards are generally marked with yellow signs. Curves are a good example of this. The speed signs at curves are advising you of a safe speed for the curve. They aren’t a speed limit for the curve. It is a generally good idea to travel at the advised speed. Depending on many conditions, you may be able to go faster that the posted speed. With this in mind, I have found that 25 mph seems to be a breaking point for curves. Curves posted at 25 mph or higher can generally be driven faster. When they are posted lower than 25 mph, slowing down is highly advised. I’ve seen speeds as low as 5 mph posted on some roadways. I’ve also seen speeds as high as 60 mph. A curve with that high a speed is not a problem, but may be in an area with few curves and it is nice to know you don’t have to slow for it. Upcoming intersections are also posted with yellow signs. These signs tell you not that one is coming up but what type it is. Some signs are customized to show specific intersections, especially if it is a blind intersection in a curve.

Signage heading southbound toward Solemint Junction. Hwy 14 used to turn here to head east on Soledad Canyon Road from 1963-1972.

Black and white signs are regulatory signs, meaning they show some sort of rule that must be obeyed. Speed limit signs, for example, use this scheme. This is different than the curve advisory signs, which also show speed, as these signs show the maximum limit, not the advised limit. Parking signs are also generally in black and white as they limit or restrict parking in an area. Other signs in this category include bike lanes, passing, and other signs restricting either the movement or type of vehicle allowed in an area or lane.

Next services sign in Utah, which are located in Hinckley.

Blue signs are very specific in use. They act as guides to hospitals, telephones, and where services can be obtained. Roadside services can include gas stations, food, and lodging. These signs can be quite helpful for roadway users that are unfamiliar with the area and are not sure what sort of services can be obtained at a particular exit. Use of these signs varies by state as well. Some states show specific businesses, where others are more general, e.g. “Gas, Food, Lodging – Next Exit”.

Signage at a roadway junction.

Green signs are also guide signs. These give directions, by use of an arrow, to locations such as cities and roadways. They also give mileage to locations along a route. On freeways they generally show distances to the next exit, where others show distance to the next three cities. They may also mark things such as bike routes, which are roadways where there is no marked lane specific for bicycles but may be easier for bicycling in general.

Historic US 6 signage at Acton Junction.

There are also brown signs which mark recreation and historic area, such as beaches and parks. Park lands, such as national monuments, are marked with brown signs as well as forest areas. Beaches, such as the various State Beaches along the coast are marked with these brown signs as well.

Another view of the HOV bridge with a new exit sign below over I-5 north.

The last signs covered here are orange. These are for construction areas. These signs perform a wide variety of tasks but always mark a construction area. These are to be heeded in part to ensure the safety of construction workers. Detour signs also use this color scheme and mark an alternate route in case the main route is closed. Always use caution in areas marked with orange signs. In addition to construction workers, roadway quality may greatly vary as well. Well-paved roads may be turned to dirt for a time during the construction and speeds may be greatly reduced from normal.

As you can see, road signs come on many shapes and colors. Each help roadway users get to their destination in all sorts of ways. So, next time you’re out on the road, keep this in mind and it may help you on your journey to wherever you may be going.

Expanded area of coverage

A few months ago, I decided to purchase a new domain in the anticipation of moving to northern California. Whether or not that move takes place, I still own that domain. As such, this site may be expanding in scope to cover a few more counties. The new site, NorCalRegion.Com, is still a work in progess, but will cover highways and geology in the northern half of the state. Where that line will be drawn is still being worked out. Look for updates in the coming months for these changes and expansions.

New Highway Tips coming soon

I’m working on a new “Highway Tips” post, should be done next week. This installment will discuss highway signage from small roadside signs to the large overhead signs on freeways.

Updates – Seems so many lately

So much has been going on lately, so this may seem “rambling”. From massive fires to massive mudslides and more, it seems that the Earth just doesn’t like us. Sometimes I feel like the San Gabriel Mountains, for example, doesn’t like roadways and every once and a while – it removes them from its shoulders. I remember watching the news in Los Angeles many years ago, probably in the early 1990’s, and one of the newscasters said “Malibu must be an old Indian name for “don’t live here”” referring to the then recent fire/mudslide/rockslide problem. Such is the cycle in this climate and geology.

With this in mind, I know I have been somewhat lax in updates to the site recently. It happens from time to time. A recent project I have started is something I should have started long ago – adding California Highways and Public Works references to my “Official Highway Logs” for US 6, US 99, and other major routes in Southern California. Some of these are available on the site, although not always up to date. I’ve also been traveling. I went to the Mojave Desert with my husband and a friend over New Years weekend and will eventually add photos of the journey. It was a lot of fun, hiking the Kelso Sand Dunes as well as other areas nearby. I am also attending a Ridge Route meeting in mid-January soon. I hope this meeting is fruitful, as I believe it will be.

Keep watching the site for further updates. There is much to discuss and much more to come. Highway tours will commence sometime in February, most likely coming to US 80 and US 395 here in San Diego County. For the highway tours, please contact me for more information and to express interest.