ESPON 2006 database has produced original data using NUTS1999 but also NUTS2003 divisions, which can be easily connected to basic indicator. In particular, measure of accessibility, typologies, etc. It is obvious that the new ESPON 2013 program will use the NUTS2006 divisions as reference for the future works but it is not a problem to use the former NUTS2003 division as reference for an intermediate period. Moreover, the ESPON 2013 database will develop tools for conversion of data between the different geometries of regional divisions (NUTS2006, NUTS2003, NUTS1999, NUTS1995 ) but will in every case.
