With the Corpus Christi public holiday on Thursday, many workplaces have given their employees time off to enjoy what is another long weekend in the country this spring.
Police have appealed to drivers to keep their speed down and stay alert behind the wheel as roads swarmed with traffic destined for the seaside and popular resorts.
Polish police on Wednesday launched an annual road safety campaign and stepped up checks as people began heading off on vacations.
When Poles travelled en masse during the previous extended holiday break, known as the May long weekend, 26 people were killed and 353 injured in 306 road accidents nationwide, according to police statistics.
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Source: IAR, PAP