Whenever I see this sign, I always think of the story about P.T. Barnum trying to get his visitors out of an exhibit so that new customers could come in. He eventually put up a sign saying “This way to the egress,” figuring most people wouldn’t know the word just meant “exit.” According to the legend, it worked.
Now, given that every other freeway sign I’ve seen says “exit,” I have to wonder why they phrased this one the way they did. My best guess is that it’s because it’s marking an exit from the carpool lane (it’s on the Santa Ana Freeway, heading north between the 55 and 22) instead of an exit to surface streets or directly to another freeway—but even that doesn’t make sense, because every place where you’re allowed to leave a carpool lane is marked as “exit!”
The last two were actually in San Clemente, where we stopped for coffee on the way back. We picked an exit and got off, looking for a Diedrich, Starbucks, or other coffee shop. We found a Starbucks (with a Coffee Bean and Tea Leaf across the street that we didn’t notice until we got back in the car), but we passed two odd signs on the way to and from the freeway. We couldn’t get decent pictures from the car, and neither of us was in the mood to find a parking space and take the photo on foot. But I did find photos on Flickr by Brian Mitchell, under a 
