APM: 14 Location: SR 49 and Empire St, Grass Valley SR 49 heads to Auburn after the 20 split. APM: 14 Location: SR 49 and Empire St, Grass Valley Ground-mounted reassurance shield after the 20 split. APM: 13 Location: SR 49 and McKnight Way, Nevada Cty As we head out of Grass Valley we’re advised that SR 49 … Continue reading California State Route 49, SR 20 to I-80