They are able to travel up and down the country on a regular basis but again they have no guarantee of a having return loads . There are too many vehicles on the road which are being run inefficiently and without back loads . For the first Christmas ever internet shopping has overtaken the high street .

Question: Why is shipping being disrupted at the moment ?
Answer: The volume is high due to the holidays .The volume is high due to people 's birthdays .None of the above choices .The volume is high due to an economic boom .