APM: 0 Location: I-80 Bus and I-5, Sacramento After I-5 we’re a couple miles from the I-80 Business split and the end of I-305. APM: 1 Location: I-80 Bus and 15th St, Sacramento At the upcoming interchange, I-80 Business will split with SR 51 to head north back to I-80, SR 99 heads south, and the main … Continue reading California State Route 99, I-5/I-305/I-80 Bus/US-50 to I-305/I-80 Bus/US-50/SR 51