A multi-billion euro showcase project aimed at getting Europe’s trains to run seamlessly from one country to another is unnecessarily complex and has been poorly managed, prompting a series of costly delays, according to leading figures in the sector (link below.)
http://www.rmtbristol.org.uk/2008/01/showcase_ertms_train_project_t.html#more

The European Rail Traffic Management System has been hampered by the need to accommodate widely differing operating practices from across the Continent into a single system, according to industry figures who now question whether it was wise for Brussels to press ahead with the venture without first integrating rules.