How many days is Tomb-Sweeping Day Expressway free?

Three days. Free time of Tomb-Sweeping Day Expressway in 2024: 3 days from 0: 00 on April 4th to 24: 00 on April 6th, and the expressway is subject to the time when vehicles leave the exit toll lane. Tomb-Sweeping Day is also known as "outing festival", "outing festival", "March festival" and "ancestor worship festival". The solar terms are from winter to the future 105 days, and after the vernal equinox 15 days, generally around April 5 of the Gregorian calendar. It originated from ancient ancestors' belief and custom of spring ceremony, and it is also a natural solar term, which is called the four traditional festivals in China together with Spring Festival, Dragon Boat Festival and Mid-Autumn Festival.