I-170 South - St. Louis - Missouri - 4K Highway Drive

Interstate 170 southbound in the St. Louis Metro Area. Filmed: December 2025 Follow on Instagram:   / mileagemike   Main Channel:    / @mileagemike485   Cities Explored: https://www.google.com/maps/d/edit?mi... From Wikipedia: Interstate 170 (I-170), also known as the Inner Belt Expressway, is an 11.17-mile (17.98 km) north–south auxiliary Interstate Highway in Greater St. Louis, Missouri. I-170 connects to I-270 at its northern terminus and I-64 at its southern terminus. I-170 crosses its parent, I-70, near St. Louis Lambert International Airport.