According to the parking charge standard of Rizhao West Railway Station, medium-sized cars, medium-sized trailers and the following vehicles charge 2 yuan, while large (heavy) cars and heavy trailers charge 5 yuan. After the vehicle has been parked continuously for more than 24 hours, the charging standards for medium-sized cars, medium-sized trailers and vehicles below are 3 yuan per hour, 20 yuan per day, 4 yuan per hour and 50 yuan per day.