15-5746 This unique 8.5" by 11" template is used to draw 1" = 20' diagrams of railroad accident scenes with either a medium ball point pen or a pencil. The 1" equals 20' scale is compatible with other Bear-Aide traffic templates. Registration marks are provided on major railroad equipment cutouts to facilitate drawing of various sized cars and engines. In addition, a scale ruler, a protractor and a compass are provided. The template includes cutouts for signals and railroad ties. This notebook-sized template has holes to fit a three ring binder.