There were two vehicle crashes on the Sterling Highway Friday that took four lives. At Mile 40, Shaina Watt, 27, of Chugiak reportedly lost control of her vehicle while attenpting to pass, and was hit broadside. Dead are her two children, Levi, 4, and Haley, 5 months. Earlier there had been a fatal head-on crash at Mile 64, between a motorcycle and a Jeep driven by Richard Moffitt, 23, of Anchorage. Dead are William and Angela Tillery, ages 46 and 45, of Anchorage.