Maryland Route 200
…October 2006. With additional support from his successor, Governor Martin O'Malley, construction began on November 13, 2007. The first segment, from Interstate 370 (I-370) to MD 28, opened on February 23, 2011, while the extension to I-95 opened on November 22, 2011. The final segment to U.S. Route 1 (US 1) opened…