Possible Clues:

• What may be demanded when maiden leaves, going nowhere
• Where no progress can be made
• Cul-de-sac ... or what either part of the answer to each starred clue is?
• Half-hearted action about a study that's leading nowhere
• A hideout in semi-wooded cul-de-sac
• Late goal that leads nowhere
• Ten years to evict Conservative and, leaderless, this is going nowhere
• Maze setback
• Weakened, lacking energy latterly, going nowhere
• Blind alley or situation without prospects