With the opening of the extension to Nemocnice Motol on 6 April 2015, Line A operates on approximately 17.1 kilometres (10.6 mi) of route and serves 17 stations.
After completion of the second section, work was started on the extension to the new metro depot at Hostivař.
The 3.4 kilometres (2.1 mi) long tunnel was completed in 1985, and the second tube in 1987 with the new station Strašnická on that line.
The first phase of a CZK18.7 billion extension on the west end of the A line, from Dejvická to Nemocnice Motol, was opened to the public on the afternoon of 6 April 2015.
[2] The second phase of this extension was expected to extend the line to Václav Havel Airport Prague.