AMP: 0 Location: SH-79 and Frontage Rd, Arapahoe Cty SH-79 begins just south of the southern I-70 frontage road. AMP: 0 Location: SH-79 and I-70, Arapahoe Cty Turn right for I-70 east, as well as unsigned US-36/40 east and US-287 south. AMP: 0 Location: SH-79 and I-70, Adams Cty We’ll cross into Adams County as … Continue reading Colorado State Highway 79, Frontage Rd to I-70/US-36/US-40/US-287