 In 1938, on military grounds, the road now called "Bundesstraße" 420 was expanded by the Nazis as a link to the Siegfried Line.It had also been on military grounds that the railway had been built through the Glan valley in 1903-1904.Niederalben-Rathsweiler railway station was built in 1904 at the outlying centre of Neuwirtshaus.