There are fears that officials who drew up the HS2 route between London and Leeds may have done it on maps that are out of date.
It's been claimed a waterways project in North Derbyshire which was completed more than a year ago is missing from the HS2 route map released last month.
The group that spotted the mistake is calling for talks with the Government. Ben Erlam reports.
More top news
Leeds United have announced a post season tour in Myanmar despite government warnings against travelling to certain areas of the country.
More than 77,000 people across Yorkshire and northern Lincolnshire were given emergency supplies from food banks last year.
Anti-fracking campaigners have gathered in Rotherham to protest against plans to drill for shale gas in the village of Harthill.