Samenvatting
This report explains the collision of a passenger train with a tractor-semitrailer at a grade crossing in Stockton, California, on December 19, 1989. The safety issues discussed in the report are grade crossing warning devices, standards for lamp bulb voltages for grade crossing warning devices, application of railroad operating rules in fog conditions, truckdriver training for operating in dense fog, emergency communications, and survival factors in passenger cars.