DN21 () is a national road in Romania which that crosses the BÃÂrÃÂgan Plain, linking the Danube port of BrÃÂila with CÃÂlÃÂraÃÂi. The road crosses the A2 motorway near Drajna, between the cities of Slobozia and CÃÂlÃÂraÃÂi. It underwent in major repairs between 2006 and 2007 on the section between Drajna and CÃÂlÃÂraÃÂi.