The Claycord Online Museum – The 24/680 Interchange in 1980

November 23, 2020 19:00 pm · 5 comments


This is a postcard from 1980, showing the 680/24 interchange in Walnut Creek.

The good ol’ days.

ABOUT THE CLAYCORD ONLINE MUSEUM: The Claycord Online Museum is made up of historical photos, documents & anything else that has to do with the history of our area.

If you have any old photos or items that you’d like to place in the Claycord Online Museum, just scan or take a photo of them, and send them to the following address: It doesn’t matter what it is, even if it’s just an old photo of your house, a scan of an old advertisement or an artifact that you’d like us to see, send it in and we’ll put it online!

Click on the tag below titled “Claycord Online Museum” to view other items!

Russ Sayin November 23, 2020 at 9:54 PM

Look at all the space there was in that picture to build an Olive Garden….

WC Resident November 23, 2020 at 10:08 PM

I feel the old interchange that’s pictured here was safer. The flyover bridges were one or two lanes and now they are three to four lanes plus that split in mid-bridge and mid-curve for the Ygnacio Valley Road exit. Three to four lanes of fast traffic on curving bridges makes me nervous.

There used to be no interchange. Eastbound highway 24 ended in Walnut Creek. You were on Mt. Diablo Blvd. You could then turn left on N. Main Street which turned into the Contra Costa highway (sometimes called highway 24) when you left town. Or you could turn right on S. Main Street which turned into the Danville highway (sometimes called highway 21) when you left town. The Danville highway (highway 21) went down to San Jose.

Noj November 23, 2020 at 10:23 PM

Still paying for it…

SB November 24, 2020 at 10:52 AM

This picture is between 1959 and predates the beginning of BART construction in Walnut Creek. Notice that it is not in the picture. Since BART opened in 1973, some of you who have memory of this time may be able to give a more precise date.

jbelkin November 24, 2020 at 5:25 PM

Remember there was that crazy 5 year period where they kept switching going to OAK was in the left lanes and then back to the right lanes, people on weekends would literally try and switch over 4 lanes and kept crashing into those drums … so totally worth it to crash and total your car instead of just taking the next freeway exit and get back on … or of course, not figuring out if you wanted to go in the direction of SAN JOSE or OAKLAND as if they were next door to each other …

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