AMP: N/A Location: Broadway and 6th Ave, Portland As 26 splits from I-405 and enters local jurisdiction, here’s a very rare (in Oregon) button copy sign! AMP: N/A Location: Broadway and 6th Ave, Portland Loop back around on 6th Ave to I-405 north/fake cutout US-26 west. AMP: N/A Location: Broadway and 5th Ave, Portland A block later, keep … Continue reading U.S. Route 26, I-405 to OR 10