From the guardian -
"The Tunnel, the working title for a new 10-part Anglo-French co-production based on The Bridge format, is expected on screen later this year, with production on the Sky Atlantic and Canal+ collaboration due to commence shortly.
Folkestone and Calais will fill in for Copenhagen and Malmö, and the series will be bilingual which producers claim will be a first in broadcasting for the UK and France with subtitles for viewers less than fluent in their neighbour countrys language
Crime fans hoping for an unlikely meeting of their favourite British and French detectives, DCI John Luther and Engrenages Berthaud perhaps? – will instead have a new pair of investigators to follow.
When a prominent French politician is found dead on the border between the UK and France, detectives Karl Roebuck and Elise Wassermann are sent to investigate
Sky, Canal+ To Adapt 'The Bridge' As Bilingual English-French Series 'The Tunnel' - Deadline.com