Shoot me. Official website of Wanzhuang Service Area shows that there is a speed limit sign in Wanzhuang Service Area of Beijing-Taiwan Expressway with a speed limit of 40. Once caught, it is illegal. Wanzhuang service area, officially opened on 20 1 965438+1October1,covers an area of 36,967.45m2 in the east and16367.57m2 in the west, with a total construction area of 6,446.33m2, covering accommodation, catering and supermarkets.