APM: 1 Location: I-5 and Main St, Siskiyou Cty Reassurance shield after the business loop initially splits. APM: 1 Location: I-5 and Main St, Dunsmuir Welcome to Dunsmuir! In about a mile, we’ll cross I-5 Business again at the Central Dunsmuir interchange. I-5 Business continues, though.  N to I-5 Bus, S to SR 151   N to … Continue reading Interstate 5, I-5 Bus to I-5 Bus