AMP: 1 Location: SH-139 and US-6, Loma, Mesa Cty Reassurance shield after the US-6/50 junction. AMP: 5 Location: SH-139 and Q Rd, Mesa Cty Reassurance shield after the Highland Lake State Park junction. AMP: 11 Location: SH-139 and Mitchell Rd, Mesa Cty SH-139 is an underrated, under-trafficked road. In combination with the fantastic SH-141, these two highways form … Continue reading Colorado State Highway 139, US-6/US-50 to SH-64