Two historical markers can be seen just north of the San Ysidro Port of Entry border crossing. They stand near the entrance to the pedestrian bridge that crosses over Interstate 5 to Camino de la Plaza. I spotted them during my last walk around San Ysidro and took photographs.
A granite monument, marker number 255, reads Boundary of the United States–Treaty of 1853–Re-Established by Treaties of 1882-1889. The opposite side contains the same information in Spanish. The monument’s two other sides show the principal names from the international commission that precisely determined the previously disputed boundary with Mexico in 1892 to 1896. It was one of 258 markers placed along 689 miles of border.
The fascinating story of this particular marker includes a flood, a replacement duplicate, and the original marker’s rediscovery and relocation to this spot. Read more about its complicated history here.
Behind the granite boundary monument, a historical sign on a post marks the Blue Star Memorial Highway. The sign describes the highway as A tribute to the Armed Forces that have defended the United States of America.
Perhaps you’ve seen these signs elsewhere across the United States. Read more about the Blue Star Memorial Highway (which is in fact numerous highways) here.
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