| Floridsdorfer Hochbahn | |
| Image Alt: | Bridge with decorative arch |
| Linelength Km: | 4.4 |
| Tracks: | 1 |
| Linenumber: | 138 01 |
| Map State: | uncollapsed |
The Floridsdorfer Hochbahn, also known as the Italian Loop, is a freight-only railway line in Austria. It runs between and, connecting the Northwest railway line and North railway line.
The northwest end of Floridsdorfer Hochbahn is at on the Northwest railway line. The line proceeds eastward over elevated tracks through Floridsdorf, eventually crossing over the North railway line approximately east of . The line joins with the North railway line at .
Planning for a connecting line between the North and Northwest railway lines began before World War I, but assumed a heightened importance as military rail traffic grew in Vienna. Construction work began in May 1916, with the line opening for traffic on 1 December of the same year. Thousands of Italian prisoners of war from the worked on the line, leading to the nickname "Italian Loop."[1]
The line was bombed several times during World War II and wrecked by retreating German forces during the 1945 Vienna offensive. Rebuilding the line following the war was not practical because of the postwar shortage of building materials. Reconstruction of the line finally began on 2 September 1996. Service resumed on 29 May 1999.