AMP: 52 Location: Arapahoe Ave and 28th St, Boulder Reassurance shield after the second segment of SH-7 begins. AMP: 53 Location: Arapahoe Rd and Foothills Pkwy, Boulder About a mile later, we’ll approach SH-157. AMP: 53 Location: Arapahoe Rd and Foothills Pkwy, Boulder Turn right for 157 south and left for 157 north. Stay straight … Continue reading Colorado State Highway 7, US-36 to SH-157