Dunbarton Road, once called New Dunbarton Road, is undergoing construction as part of the site preparation for the building of the Lindsay Center for Mathematics and Science.  Rectory Road, the original Dunbarton Road, was once the main route from Concord to Dunbarton and beyond.  It wasn’t always the quiet roadway through the center of the grounds that it is today, and by the early years of the 20th century the increase in automobile traffic had become a menace.  The New Dunbarton Road was opened in June of 1920 as a way to re-direct traffic away from the center of  the grounds. The images below were discovered in the Archives as…