The body of a woman was discovered by British Transport Police on the East Coast Main Line near Aldi, South Parade on Saturday. called to the railway track near Grantham station on Saturday.
She wwas pronounced dead at the scene.
A BTP spokesperson said: “British Transport Police were called to the line near Grantham railway station at 3.01am on Saturday, 20 February, following reports of a casualty on the tracks.
“Paramedics also attended, however sadly a woman was pronounced dead at the scene.”
The spokesperson said the incident is not being treated as suspicious and a file is being prepared for the coroner.