AMP: Columbia River Hwy #2/44 Location: I-84 and Wa-Na-Pa St, Cascade Locks Just after the 30 split, we’ll enter Cascade Locks. AMP: 45 Location: I-84 and Wa-Na-Pa St, Cascade Locks Less than a mile later, 30 traffic merges back on. E to US-30, W to US-30 Byp E to I-84, W to I-84 E to I-84, W … Continue reading Interstate 84, US-30 to US-30