U4 (Berlin U-Bahn)
The U4 is a line of the Berlin U-Bahn, and the second shortest after the U55 with a length of 2.86 kilometres (1.78 mi). It serves five stations, with only the termini being step-free.
Read more about U4 (Berlin U-Bahn): History
U4 (Berlin U-Bahn)
The U4 is a line of the Berlin U-Bahn, and the second shortest after the U55 with a length of 2.86 kilometres (1.78 mi). It serves five stations, with only the termini being step-free.
Read more about U4 (Berlin U-Bahn): History