The four-day weekend most people in Korea are enjoying is in full swing.<br />In a bid to drive up domestic consumption, the government designated today as an extra public holiday since it was sandwiched between Children's Day and the weekend.<br />To encourage the public to take trips, toll fees on the nation's expressways have been waived and entrance to museums, palaces and many other tourist sites will be free of charge.<br />Police estimate more than five million vehicles will be crisscrossing the nation on this Friday and rather than long distance travel, people will mostly be driving in the metropolitan area.<br />Accordingly, the police agency says it'll step up efforts to keep traffic running smoothly on major highways and around tourist destinations.<br />They will crack down on drunk driving by setting up more random checkpoints in busy areas and use helicopters to catch drivers violating traffic laws,... like driving in bus lanes. <br /><br /><br />