>b>CONVENTION-WEEK DETOURS EYED Author(s): Mac Daniel, and Anthony Flint, GLOBE STAFF Date: April 1, 2004 Page: A1 Section: Metro/Region The major alternative routes for traffic detoured from Interstate 93 during the Democratic National Convention will probably be Route 128 and the Ted Williams Tunnel, shifts that would pack tens of thousands of additional cars onto those roads. Secondary roads such as Routes 60, 99, and 1A north of the city are expected to be quickly overwhelmed, too, as motorists search for alternatives. "People should understand their evening commute will not be a smooth one and consider leaving their cars at...