On 16-17 October 2013, Siim Kallas, Vice-President of the EC in charge of Transports, travelled to Tallinn, Estonia, where he participated in the Ten-T Days (Trans-European Transport Network and presented the new EU infrastructure policy on 17 October 2013. On this date, the Commission published new maps showing the nine major corridors which will act as a backbone for transportation in Europe's single market and revolutionise East–West connections.