It's a route used by more than a hundred thousand drivers a day. The Dartford Crossing is one of the biggest pinch-points for the south-east road network. Today the Government said it will do a detailed study of two final options for a new crossing over the Thames.
But some debate whether it's needed. David Johns reports, speaking to Roads Minister Robert Goodwill and Thurrock Council leader John Kent (Lab).
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A large area of Dartford Heath has been cordoned off as police investigate a rape allegation.