SEATTLE — Seattle transportation agencies will pay $6.5 million to settle a lawsuit over a light rail crash that killed a Rainier Valley couple on their way to a Mariners game. Their families alleged that Sound Transit’s trackway is hazardous in that area, where trains run along the street, and lacked sufficient pedestrian safety features such as crossing arms. The agencies argued that the area was well-marked and the couple proceeded against a don’t-walk signal. Emoke Rock, 76, and Steven Wayne, 66, were walking toward Columbia City Station on July 2, 2021. A northbound train pulled up at the…