The last remaining segment in Iowa was opened to traffic May 23, 2006.
In 2005, a short segment was opened to the public, near Hütteldorf railway station.
When the first segment was opened, only relatively short 4-wheel boxcars and passenger cars were used.
Construction of highway D5 began in 1976 and the first segment was opened in 1985.
The third segment, connecting Holešovice district with the city center, was opened in 1984.
Its entire rear segment could be opened, to service the engine.
This approximately one-half-mile segment of the system was opened in November 1998.
This final segment was opened to traffic in 1985, marking the completion of the 35-year project.
The first segment of Interstate 94 through this area was opened in 1958.
These segments were opened to traffic on June 26, 1964.