ROADrule™ USATONS is a quick reference tool that identifies the most common U.S. aids to navigation, rules of the road, and maneuvering and warning signals for U.S. waters. ROADrule™ takes a large amount of complex information and makes it easy to understand. Whether in a classroom or at the helm, critical decisions can be made quickly and with confidence with the aid of ROADrule™. Its design is similar to a slide-rule. (Versions of ROADrule™ are also available for European Inland Canals (WP291) and International Waters (WP292).

• Identifies the most common US aids to navigation
• Displays 38 Navigation Aid Definitions
• Displays 12 Rules of the Road
• Identifies bridge lighting & Intracoastal Waterway aids
• Magnifying lens for clear readability of definitions
• Durable plastic construction

Length: 15.9 in (40.39 cm)

Width: 5.1 in (12.95 cm)

Height: 0.2 in (0.51 cm)

Weight: 0.4 lb (0.51 cm)