List of high-speed railway lines

Columns: Line name | Start and end points | Maximum speed | Upgrade | Opening | Length
Rhine Railway Mannheim-Karlsruhe | Mannheim - Karlsruhe | 250 km/h | 1987 | 1840-1855 | 61 km ( upgraded southern section 200 km/h ) | Rhine Railway Karlsruhe-Rastatt | Karlsruhe - Rastatt Süd | 250 km/h | 2024 | 1840-1855 | ~30 km ( under construction ) | Rhine Railway Rastatt-Offenburg | Rastatt Süd- Offenburg | 250 km/h | 2001 | 1840-1855 | ~50 km | Rhine Railway Offenburg-Basel | Offenburg - Basel | 250 km/h | unknown | 1840-1855 | ~120 km | Rosenheim-Salzburg railway | Rosenheim - Salzburg | 200 km/h | to be upgraded before 2030 | 1828-1838 | 88.6 km | Mannheim-Frankfurt railway | Mannheim - Frankfurt | 200 km/h | 1985-1999 | 1869-1879 | 74.8 km

Example questions:
The end point of the high-speed railway line that was opened in 1861 is located in what German district ? | When was the station opened that is the end point of the Hanover-Hamburg high-speed railway line ? | Who owns the French section of the high-speed railway line that starts in Kehl ? | Which high-speed railway line has an end point in a town that is located on the site of the former Roman settlement of Luvavum ? | The town that is the end point of the high-speed railway line scheduled to be upgraded in 2024 is located on what river ?

Answers:
Ortenau | 1906 | SNCF | Rosenheim-Salzburg railway | Murg river