National Express has a great promotion for families this time. You only have one week to take advantage of this unique opportunity. The operator is selling its Family Coachcards for half the price!!! What are the benefits of having the Family Coachcard?You can take advantage of great savings on family travel across the UK. Simply choose the Family Coachcard that's best for you and your family and get free child travel all year round. Family 1plus1 Coachcard - for just £8, BUT NOW IT COSTS YOU ONLY  £4!!! For one year a child can travel free when accompanied by one ful...