Southern California Regional Rocks and Roads

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February 13, 2013 500 × 375 27_old_topanga_sfv

Old segment of Topanga in the Valley between Marilla Street and Plummer Street. This twin-slab concrete dates to 1930.

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Your Resource For Highways, Geology, Railroads, History, Bicycling, And More Throughout Southern California Since 1995.

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by Michael F. Ballard

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All these showers can bring lots of flowers. For the last 40 years, there has been a telephone hotline to find out what the status is of the wildflower bloom and where to see it.

Find out more at the Theodore Payne Foundation‘s website
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1953 aerial view of the Camino Del Rio (later US 80) / US 395 interchange, looking south. Courtesy – Caltrans

San Diego’s Mission Valley has changed quite a bit over the last century. It has gone from farms to condos. Dairys to grocery stores. Dirt roads to major freeways. In 1947, the first iteration of the current State 163 / I-8 interchange was completed as shown here. Left on and offramps were the order of the day. Challenge Dairy’s San Diego headquarters can be seen in the upper left corner of the interchange. Additional changes to the junction took place in 1959, 1978, and 1991. All of these bridges have been replaced but their legacy remains today with the outer ramps on either side of the 8.

From the Archives – 1953
January 27, 2023 Michael F Ballard Leave a comment

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