 Three winners every Friday. Enter to win free lunch courtesy of Silver Diner and plan your next luncheon with up to five additional guests. There's something for everyone at Silver Diner with over 100 menu items, including vegan and gluten-free options and your diner favorites. So don't miss out. Enter to win today at WTOP.com. Search free lunch. Traffic and weather on the 8 to Robert Workman in the WTOP Traffic Center.