Original sentence: A short distance later, Maryland Route 765 continues north along Solomons Island Road and MD 2 merges onto MD 4 to form a concurrency with that route on a four-lane  divided highway a short distance north of where MD 4 crosses the Patuxent River over the Governor Thomas Johnson Bridge
Edited sentence: A short distance later, Maryland Route 765 continues north along Solomons Island Road, while MD 2 merges onto MD 4 to form a concurrency with that route on a four-lane  divided highway a short distance north of where MD 4 crosses the Patuxent River over the Governor Thomas Johnson Bridge