Around 490,000 vehicles are expected to depart Sofia during the holiday period around May 24, according to the Road Infrastructure Agency (API), which is preparing for significantly increased traffic on Bulgaria’s main highways and exit routes. Authorities say the heaviest movement will be along the Trakia motorway, where nearly 204,000 vehicles are expected in the period, followed by the Struma motorway with more than 111,000, and the Hemus motorway with about 85,000.