Show Railroads Quizzed Qu zed On Bus In Investment estment WASHINGTON April 29 UP A AThe The interstate commerce commis n today ordered class elMs 1 3 railroads to o file filo by July 1 3 a b statement of theIr heir investments in motor carrier lInes nes Tho The commission said the information matlon mation was desired to afford the basis asis for lor compiling a n. comprehensive sive ive and accurate statement of the extent to which steam railway companies companies com corn panics are financially interested l in inHo Ho tho operations of at motor vehicle jen- jen n In recent years several railroads have havo lave been building up flung far-flung systems of or coordinated inot motor r lines but ut comprehensive data on these I operations have not been compiled |