 Siim Kallas stated that the project, which would be put into action over a few a long period rather than all at once, would create a "symbolic area for the EU institutions" giving "body and soul to the European political project" and providing the Commission with extra office space.The road would be reduced from four lanes to two, and be returned to two way traffic (rather than all west-bound) and the architects proposed a tram line to run down the centre.A series of high rise buildings would be built on either side with three taller 'flagship' high rises at the east end on the north side.