Proposals for the section between Holcombe and Teignmouth in Devon are aimed at preventing the line being blocked by falling rocks from cliffs.
People had been concerned the move might mean the loss of Holcombe beach.
Part of the line at Dawlish, which runs along a stretch of beach, was washed away in fierce storms in 2014, leaving much of Devon and Cornwall without a railway connection to the rest of the country.
Read more...https://www.bbc.co.uk/news/uk-england-devon-51161216