Courtesy US Geological Survey
The above picture shows the last section of US 99 to be replaced by I-5,
which happened on August 24, 1970.
I-5 is the series of two thick lines that converge in the lower right hand corner and go
diagonally to the
upper left; the interchange is Templin Highway. The visible superseded section of US 99
is mostly just the
grade, but there is a paved portion visible in the upper left, disappearing under I-5. It
reappears on the right
hand side and forms a semi circle before going back under the northbound lanes of I-5 in
the lower right. Half
the curve is visible from the northbound lanes of I-5, but it takes the aerial picture to
see how it all fits. This
picture also shows the huge improvement in grade and alignment the freeway has over the
old road.
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