Santa Clara County Route G8 is a 29.38 mile County Sign Route which is part of the San Francisco Bay Area transportation corridor. Santa Clara County Route G8 begins at California State Route 152 near the outskirts of Gilroy and terminates at former US Route 101 at 1st Street/Monterey Road near downtown San Jose. Santa Clara County Route G8 incorporates the notable Almaden Expressway and is historically tied to the New Almaden Quicksilver Mine. (Santa Clara County Route G8 map image courtesy CAhighways.org) Part 1; the history of Santa Clara County Route G8, the Almaden Road corridor and New Almaden Mine The present corridor of Santa Clara County Route G8 ("G8") began to take shape with the emergence of the Almaden Expressway. According to the October 1960 California Highways & Public Works Unit 1 of the Almaden Expressway opened in November of 1959 between Alma Avenue near downtown San Jose south to the Guadalupe River as part of a Federal Highway Aid Secondary pro
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