Overview Product Description Atlas O 3003127 MBTA Comet commuter cab car , 3 rail 21" long full O scale passenger car 3 rail . We might be able to change these to 2 rail. Inquire if wanted. Intricately detailed Full interior with overhead lighting exterior disc brakes, as per the prototype Diecast trucks Only 1 road # avbl. Questions? E-Mail us at pdt212@gmail.com, or call us at 805-226-0320 Product Videos Custom Field Product Reviews