 East of Urbana, MD 80 meets the southern end of Ijamsville Road south of Ijamsville and has staggered intersections with MD 75 (Green Valley Road) south of Monrovia while passing through the expansive area known as Green Valley.Shortly after passing through the hamlet of Kemptown, the highway enters Montgomery County.MD 80 continues as Kemptown Road a short distance southeast to its terminus at MD 27 (Ridge Road) in the hamlet of Claggettsville north of Damascus.