article_snippet.sent: Hidden cameras credited with a 25 per cent spike in speeding fines could be banned from motorways within months.
article_snippet.sent: The increase has been put down to the introduction of ‘smart motorways’ which use the cameras, known as Hadecs, to police speed limits which are varied according to the driving conditions.
article_snippet.sent: This means many drivers are being given the minimum £100 fines despite driving under the national motorway speed limit of 70mph. 'smart motorways'
  Conservatives are already moving to scrap the controversial cameras if an ongoing review criticises 'smart motorways'
  Conservatives use when 'smart motorways'
  Conservatives reports back in the summer.
article_snippet.sent: the controversial cameras are becoming an increasing threat to drivers as the number of smart motorways is due to increase four fold over the next 10 years to stretch across 800 miles.
article_snippet.sent: A party source told The Sunday Telegraph there was a loophole which allowed the grey cameras on major roads but not smaller roads.
article_snippet.sent: Roads minister John Hayes, who ordered the Highways England review which is due to report back this summer, has said Roads minister John Hayes, who ordered the Highways England review which is due to report back this summer was concerned about ‘stealth cameras’ and it was important drivers knew where important drivers were.
article_snippet.sent: The use of the less noticeable cameras has led to claims that police are using stealth to catch out drivers .
article_snippet.sent: And a Conservative source yesterday said: ‘We’ve announced a review into this and if a review shows serious problems, We will take action to stop grey cameras.
article_snippet.sent: If caught by a speed camera, drivers face a minimum £100 fine and three points on drivers licence, or a court summons.
article_snippet.sent: And both forces have linked the rises to the use of the grey cameras.
article_snippet.sent: A Highways England spokesman said: ‘It has always been up to individual police forces whether to use cameras on the motorway network to enforce the national speed limit.
article_snippet.sent: As the use of smart motorways is extended from current levels of around 200 miles to 800 miles over the next ten years the number of fines is set to rise even more .
highlights_snippet.sent: The spike has been put down to introduction of 'smart motorways'
  Conservatives are already moving to scrap controversial cameras .
  