Methodologies & Limitations: Underground data

This database was created by Groundsure using publicly available open data and data from OpenStreetMap. The data is not provided by or endorsed by Transport for London (TfL) and minor differences between TfL’s official data and Groundsure’s data may occur in relation to the London Underground.

Please note that the London Underground, Merseyrail, and Tyne and Wear Metro operate both underground and above ground.