The Evolving Connection of Transit, Agglomeration, and Growth of High-Tech Business Clusters, by Glen Weisbrod, Chandler Duncan, and Susan Moses (SJM Consulting). A paper and presentation at the Annual Meeting of the Transportation Research Board (TRB), January 2014 in Washington, DC. The paper was subsequently published in the Transportation Research Record: Journal of the Transporation Research Board, No. 2452, Transporation Research Board of the National Academies, Washington, D.C., 2014, pp. 11-18.