article_snippet.sent: But engineers are due to visit Britain's longest cycle tunnel next week - for the first time since it closed - to see whether it is safe to use as a cycle route.
article_snippet.sent: But engineers are due to visit Britain's longest cycle tunnel next week - for the first time since it closed - to see whether it is safe to use as a cycle route .
article_snippet.sent: The Highways Agency Historic Railways Estate has now contracted a construction and engineering company to undertake the three-day inspection of the abandoned Rhondda Tunnel, alongside the Mines Rescue Service.
article_snippet.sent: The Highways Agency Historic Railways Estate has contracted a construction and engineering company to undertake the three-day inspection of the tunnel, alongside the Mines Rescue Service .
highlights_snippet.sent: Engineers due to visit 3,148m tunnel next week for first time since it closed .
  