The recommendations are based on the agency???s investigation of a June 2011 crash in which a truck driver for John Davis Trucking hit an Amtrak train while traveling north on U.S. 95 at a crossing east of Reno, Nev. The crash killed six people, including the truck driver, and injured dozens of others.NTSB investigators noted that the driver of the truck that collided with the Amtrak train had an