Related Clues:

• 1.5-volt battery
• Rte. suggester
• Great "Three R's" report card?
• Motorists assn.
• Width designation
• Road-aid org.
• Towers on the road?
• Step before the major leagues
• Letters on a shoe box
• Mapmaking org.
• Shoe statistic
• Traveler's discount gp.
• Energizer option
• Org. providing jumps
• Trip-planning org.