Of course, you can sue against that, and sometimes for decades (and thus prevent the project from getting ever finished, see the planned, and eventually forsaken A85 project that was meant to connect Stuttgart to Schwäbisch Hall roughly where today's B14 is [1]. They weren't able to seize two key farmer's fields and gave up - when the old farmer died in 2002, they build a nice bypass through there. Having lived in the area, a fast connection to the local capital would have made a lot of people's lives a lot better and saved millions of litres of fuel each year.

[1] http://www.autobahnatlas-online.de/A85.htm