"In this particular cane the motor truck and one man are doing the work which formerly was only possible with perhaps a half dozen or more men," one of the superintendents said. Many loads are started from a dead stop, and a speed of 33 miles an hour is niude on a tangent track. The car takes all crossovers at about 10 miles. The motor vehicles have moved every-, thing movable In the subway. MAXWELL TRUCK USED IN SUBWAY SUB-WAY SYSTEMS Animals and steam proving a failure when taken down into the New York subway the construction contractor turned to the ever faithful motor car for power to transport building material. mater-ial. 'Since adapting the motor car to the underground work the builders have not had a bit of trouble. Suam cars were out of the question, because of the gasses given off from the boiler fires. Flat subway cars could not be used as the current bad not been turned Into the third rail. The cross ties and rough ground work was a hindrance to horses and manual power whs too laborious. A superintendent suggested fitting a 'motor ear with flanged wheels. A Maxwell was purchased for the underground under-ground work. It. vv.is no sntist'Hctory that htter on u truck was put into operation. These ears are now operated oper-ated in the uncompleted sections of the. subway s steins,