After passing the eastern terminus of MD 707 (Old Bridge Road), the state highway expands to four lanes shortly before reaching its northern terminus at US 50 (Ocean Gateway). MD 611 serves as the access road to the Maryland section of Assateague Island, with traffic from points north and west using the route south of MD 376.
After crossing the eastern endpoint of MD 707 (Old Bridge Road), the state highway widens to four lanes just before reaching its northern endpoint at US 50 (Ocean Gateway). MD 611 functions as the access road to the Maryland part of Assateague Island, with traffic from points north and west utilizing the route south of MD 376.