In November 2008, the Lehigh Valley Economic Development Corporation (LVEDC), along with both Lehigh County and Northampton County, Pennsylvania commissioned a study to explore restoring part of the Black Diamond service, which ran until 1961http://njrails.tripod.com/20th_Century/LehighValley/Black_Diamond/lv_bdtt.jpg The Black Diamond. American-rails.com. Retrieved on July 23, 2013. by extending the New Jersey Transit's Raritan Valley Line to Allentown."County eyes N.J. rail extension to area," The Morning Call, November 7, 2008.
