Southern California Regional Rocks and Roads

Cajon Pass Tour – August 12, 2017 – Review

August 20, 2017

The tour began at Devore, CA at about 8:30 am after meeting a friend, who ended up being the only person to show. After a quick briefing on what we were to see, we headed south to Verdemont, where we inspected a freeway overpass that had remained mostly intact from its original 1950’s construction. The …

Image of the Week – 7/14/2017

July 14, 2017

Aerial view of I-8 (right), US 80 (left), and State 79 (center and left) near Descanso, east of San Diego, CA

A tunnel on US 80?

July 25, 2021June 18, 2017

In the late 1940’s, plans were being drawn for improvements to US 80 in San Diego County. The highway, as it was then, had changed little since its last upgrade between 1928 and 1932. While much of the highway was on a better alignment than before, the section between Alpine and Descanso still needed more …

Image of the Week – 4/25/2017

April 25, 2017

State 79 at Samagatuma Creek with new bridge railing. This is a new style of metal railing that Caltrans has been installing on bridges lately.

Image of the Week – 4/9/2017

April 9, 2017

Cajon Pass Tour – August 12, 2017 – Review

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Image of the Week – 7/14/2017

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A tunnel on US 80?

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Image of the Week – 4/25/2017

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Image of the Week – 4/9/2017

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