Possible Clues:

• Uphill motorway not that good? Blocked entirely
• Lukewarm self-assessment? If so, there's no getting over it
• Icy roads may be such a devil when black
• Completely shut off, there's nothing exceptional about me?
• Devil provides a top service when it's pitch-black with no way through
• Blocked motorway going west -- pretty normal
• Blocked road going up route through the mountain - is one up to it?
• Westbound motorway unexceptional, becoming blocked
• Troublemaker on a ship, sailor the French blocked
• Blocked to travel