Renovation work has commenced at the " Kulata " border checkpoint in preparation for Bulgaria 's upcoming entry into the Schengen area on January 1. The upgrades aim to enhance traffic flow by creating two lanes in each direction leading up to the checkpoint. The expansion includes a 200-meter stretch on both sides of the checkpoint. However, the changes will result in only one additional lane in the direction of Bulgaria , as there were already two lanes for vehicles heading toward Greece. The