APM: 49 Location: SR 263 and Montague Rd, Yreka Reassurance shield as SR 263 begins. 263 follows old US 99 up to SR 96. APM: 55 Location: SR 263 and Old Shasta River Rd, Siskiyou Cty SR 263 follows the Shasta River through a canyon. APM: 56 Location: SR 263 and SR 96, Siskiyou Cty Shortly thereafter we’ll … Continue reading California State Route 263, I-5 Bus/SR 3 to SR 96