Possible Clues:

• Where one might stop cruel bear
• Largely unused ribbon set on bear
• Edge along road, closely pursued by bear
• Ought, in more difficult circumstances, to stop here
• Motorway breakdown lane
• Tougher outside, ought to stop here by the road?
• Unsympathetic place for tears to which one resorts after breakdown
• Part of road that's difficult to bear?
• Was forced to admit king is obliged to queen in emergency situation