US-91/BL-15 South (Yellowstone Ave.) approaching US-30 (Oak St.) in Pocatello. Use US-30 west for I-86, American Falls, and Twin Falls. Continue south for BL-15/US-91/US-30 East to (Pocatello) City Center and Salt Lake (UT). US-30 east joins BL-15/US-91 southbound.