APM: 5 Location: SR 108 and Mono Way, Tuolumne Cty After the business loop rejoins, we’re again advised that Sonora Pass is open. APM: 9 Location: SR 108 and Twain Harte Dr, Tuolumne Cty In a quarter mile we’ll approach the Twain Harte turnoff. APM: 9 Location: SR 108 and Twain Harte Dr, Tuolumne Cty … Continue reading California State Route 108, SR 108 Bus to SR 108 Bus