Possible Clues:

• Tax excessively deliveries by coach
• Maidens perhaps work out -- too much exercise may produce this
• Batches of deliveries by coach producing labour excessively
• Risk a breakdown, in a way
• Stress concerning Southern transport
• Tax deliveries by rail?
• Deliveries by rail vehicle are too stretching
• Deliveries getting attendants to work too hard
• Too much stress arranging reservation without internet
• Work too hard