Possible Clues:

• Marker buoy around edge
• Sounds as if this will keep one back at the roadside
• Check, by the sound of it, at the roadside
• Holiday given up to lose a stone by the way
• Keep a tight rein, they say, on crawler here
• You may control this, by the sound of it, at the roadside
• Sounds as if you might restrain this by the roadside
• Stone edging to footpath
• Brake loudly: road ends here
• What a Londoner parks by