Possible Clues:

• Coastal road cut into the face of a cliff
• Coast road like the one at Penzance, some say
• Coastal road spreads light on a broken chin, breaking one's heart
• Road along a coastal cliff
• Chronic English resort's way along cliff edge
• Road on Riviera or in southwest England, as they say?
• Coast road one rich Conservative built
• With the grain, I see, he runs along beside the sea
• Cliff-side road
• Huge bird makes ascent, precise about height for cliff route