Skip to main content

San Juan Pacific Railway

This past month I stopped in San Juan Bautista of San Benito County to view a historic plaque detailing the history of the San Juan Pacific Railway.


The San Juan Pacific Railway historic plaque is located on former Legislative Route 22/Old San Juan-Hollister Road just east of The Alameda in the City of San Juan Bautista.  The San Juan Pacific Railway plaque is located atop it's former grade.




As noted above the San Juan Pacific Railway ("SJPR") incorporated in 1907 but it only briefs the story of the line.  The San Juan Pacific Railway was standard gauge line built to connect from the Southern Pacific Railroad in Chittenden of Santa Cruz County 7.94 miles southeast to a concrete processing facility in San Juan Canyon near San Juan Bautista.  Said Portland Cement processing facility in San Juan Canyon was originally owned by the San Juan Cement Company which began operations in 1907.

The San Juan Cement Company was not successful and shuttered operations in late November of 1907.  The assets of the San Juan Cement Company were eventually taken over by the Old Mission Cement Company in May of 1912.  The Old Mission Cement Company rebranded the SJPR into the Central California Railroad.  The Old Mission Cement Company built a narrow-gauge quarry line east of the processing facility deeper into San Juan Canyon.  The first cement shipments began rolling from San Juan Canyon in 1916 but it wasn't until 1918 that the Old Mission Cement Plant was complete.

The Old Mission Cement Plant extended its quarry line another 1.5 miles to two new quarries in 1921.  The Old Mission Cement Plant sold out to the Pacific Portland Cement Company in 1927.  The Pacific Portland Cement Company announced it intended to add three additional miles of quarry line in 1929.  The Pacific Portland Cement Company shuttered operations in 1930 due to the economic conditions of the Great Depression.  In 1937-1938 (sources conflict) the standard gauge rails of the Central California Railroad were removed.  The cement processing facility reopened in 1941 under the banner of Ideal Cement which operated to the 1970s when the cement plant was dismantled.

Note; much of the above information on the history of the SJPR was sourced from an article on PacificNG.org on the Old Mission Portland Cement Company.

A limited number of maps show the SJPR.  One such map was the 1920 Denny's Pocket Map of San Benito County which shows the SJPR line ending in San Juan Canyon.


The SJPR also appears on the 1935 California Division of Highways Map of San Benito County.


The alignment of the SJPR is sketched onto the two maps (in brown) below which I drew to show historic transportation corridors around San Juan Bautista.



There is still some existing evidence of the SJPR which can be seen along County Route G1.  I took the below photo in 2017 which shows the grade of the SJPR to the left of County Route G1 on San Juan Canyon Road.


As County Route G1 transitions onto Mission Vineyard Road a set of embedded rails can be seen in the roadway.


In early 2020 I returned to County Route G1 on Mission Vineyard Road to get better photos of the embedded rails.



Comments

Popular posts from this blog

Did Caltrans just kill the G26 cutout US Route shields?

The US Route System was formally created by the American Association of State Highway Officials during November 1926.  Through the history of the system the only state to which has elected to maintain cutout US Route shields has been California.  The G26 series cutout US Route shields have become a favorite in the road enthusiast hobby and are generally considered to be much more visually pleasing than the standard Federal Highway Administration variant.  However, the G26 shield series appears to have been killed off on January 18, 2026, when Caltrans updated their Manual of Uniform Traffic Control Devices.  This blog will examine the history of the US Route shield specifications in California and what is happening with the 2026 changes.  The blog cover photo is facing towards the terminus of California State Route 136 and at a G26-2 specification US Route 395 shield.  In the background Mount Whitney can be seen in the Sierra Nevada range.   ...

May 2023 Ontario Trip (Part 3 of 3)

  Over the years, I have made plenty of trips to Ontario, crisscrossing the southern, central and eastern parts of the province. Living in Upstate New York, it's pretty easy to visit our neighbor to the north, or is that our neighbor to the west? Ottawa is one of my favorite cities to visit anywhere in the world, plus I've discovered the charm of Kingston, the waterfalls of Hamilton (which is on the same Niagara Escarpment that brings us Niagara Falls), the sheer beauty of the Bruce Peninsula, and more. But I hadn't explored much of Cottage Country. So I decided to change that, and what better time to go than over Memorial Day weekend, when the daylight is long and I have an extra day to explore. On the third and final day of my trip, I started in Huntsville and made my way through Muskoka District and Haliburton County, passing by many lakes along the way. I stopped in towns such as Dorset, Haliburton and Bancroft before making a beeline down to Belleville and then over th...

Ghost Town Tuesday; Nichols, FL

A couple years ago I spent a lot of spare time exploring phosphate mining ghost towns in the Bone Valley of Polk County, Florida.  One ghost town in particular called Nichols on Polk County Route 676 west of Mulberry caught my eye due to a relative lack of documentation on ghosttowns.com. Nichols was created in 1905 during the early phosphate mining boom in the Bone Valley region.  For the time Nichols was unusual since it had company housing in the Nichols Mine site and private residences outside the gate.  Nichols is only about two miles west of Mulberry which probably made it a somewhat reasonable commute even by the wonky standards of the early 20th Century.  Most of the Bone Valley region was relatively remote which made commuting or homesteading impractical which is why there are so many ghost towns in the area.  The company housing section of Nichols was phased out and abandoned by 1950. The Nichols town site is largely abandoned and could "possibl...