Most government offices, businesses, schools and other organizations are closed on Thanksgiving Day. Many offices and businesses allow staff to have a four-day weekend so these offices and businesses are also closed on the Friday after Thanksgiving Day. Public transit systems do not usually operate on their regular timetables.Thanksgiving Day it is one of the busiest periods for travel in the USA. This can cause congestion and overcrowding. Seasonal parades and busy football games can cause disruption to local traffic.