A further extension was done until the end of 2010.
There has been no further extension of the A 49 since then.
A further extension was built in 1922, ten years after the first.
Further extensions followed in the 1930s, 1950s, 1960s and 1970s.
All this has meant there is little room left for further extension on the site should it be necessary in the future.
In this case a possible further extension beyond the horizon would present no problems.
According to Administration insiders, he's ready to consider a further extension after all.
A further extension was added in 1912 of 46 km.
In the future, there should be further extensions on both ends of the line.
A further extension was signed in 2012, valid until 2020.