The Motorway Cops crack down on criminals who use the roads to transport illegal goods.

Despite the array of sophisticated equipment and computer data available to the Motorway Cops, it is often experience and a 'sixth sense' which allows them to sniff out those motorists who have something to hide - and when they do, the police often uncover much more than they expect.

The motorway cops crack down on truckers who fail to pay attention to the road ahead.

The motorway cops are faced with organised criminal gangs from overseas who use Britain's motorways to travel up and down the country, from city to city, stealing to order. The problem is that, when the police stop them, the criminals claim not to understand a word of English, making the investigation tougher than ever.

Amid icy conditions, the Motorway Cops are forced to close the motorway.