ESRI USA accentuates mapaccel's importance in one of her publications:

ESRI USA describes in an article for the GEOconnexion International Magazine (www.geoconnexion.com/uploads/alpineraillink_intv7i2.pdf) the WebGIS Portal of the Brenner Base Tunnel Project BBT SE - realized by Territorium Online on mapaccel technology. In this article ESRI indicates how important was mapaccel's native functionality in supporting the planning of this big structure which is of prime importance for the european transport infrastructure.