APM: 0 Location: SR 139 and SR 299, Modoc Cty Reassurance shield as 139 splits from 299. APM: LAS/61 Location: SR 139 and Susanville Rd, Lassen Cty A few miles later, we’ll approach CR A2, which heads over to Bieber. APM: 61 Location: SR 139 and Susanville Rd, Lassen Cty Reassurance shield after the A2 junction. APM: 53 Location: … Continue reading California State Route 139, SR 299 to SR 36