Location: Mono Way and SR 108, Sonora No reassurance shield after the SR 108 junction. Location: Mono Way and SR 108, Tuolumne Cty A couple miles later we’ll approach SR 108 again. Location: Mono Way and SR 108, Tuolumne Cty Follow 108 east to Twain Harte and 108 west to Sonora. 108 Business ends.  W … Continue reading California State Route 108 Business, SR 108 to SR 108