Possible Clues:

• Submarine rises to the top of the sea and heads for shelters at various stages
• Curbside pickup places
• Transport strikes in shelters at various stages
• Points at which to pick up and put down passengers
• Pickup places for commuters
• Some are sheltered
• Dances around American street where folk may be waiting
• Sites of many street pickups
• Shelters at various stages in raid containing small operations
• Where folk queue in street to be get kiss — excellent!