sentences:  The European commissioner for traffic and transport, Antonio Tajani, had investigated in the case of discrimination.On 28 January 2010, after short-term vignettas were introduced by Slovenia and some other changes were made to the Slovenian vignette system, the European Commission concluded that the vignette system is in accordance with the European law.Most Spanish toll roads are networked, so you must get a ticket on entering and pay when leaving the road.