Names of the drivers in a collision involving a Washington school bus have been released. Bus 319 driven by Bryan Matthew Hoback of Washinton was involved in a collision on Highway 78 east of Brighton at around 4:30 p.m. Monday. A passing minivan driven by Heath Michael Krabill crossed the center line, striking the school bus before going into the ditch. It has been determined that Krabill fell asleep at the wheel. Some minor injuries were sustained, but all injured individuals declined medical treatment.  Krabill has been issued a citation for failure to maintain control.