Possible Clues:

• Subordinate will, having started making progress
• In motion like ship setting out
• Going for French and German articles on fashion
• In progress, on the move like ship
• Is there a tunnel for the ship to have got going?
• Might sewer network be off?
• In motion or in progress - beneath route?
• ... subject to method making progress
• In motion or in progress, like ship out of harbour
• Going by tunnel by sea