May 18, 2011 9:02 am Visit One of the Busiest McDonald's in U.S. The McDonald’s on I-95 in Darien is one of the busiest in the nation. US & World Videos 1:23 Forecast for Saturday, April 27 4:29 Rasta pasta sauce 1:41 Early forecast for Saturday, April 27 0:49 Overnight Forecast for April 26 4:19 CT man discusses his diagnosis of a rare tick-borne illness