江苏省交通科学研究院负责起草的国家标准《双层客车结构安全要求》,于2003年10月30日在无锡通过由全国汽标委客车分技术委员会组织的专家审查。双层客车由于具有占用道路面积少、载客量多、上层视野开阔、适合于市内旅游景点作旅游观光用车、而且还是城市一个流动的广告载体等 Jiangsu Provincial Academy of Transportation Science is responsible for drafting the national standard “double-decker bus structural safety requirements” on October 30, 2003 in Wuxi by the National Committee of the Committee by the Committee of the Committee of the steam standard car sub-examination. Double-decker buses occupy less road area, carry more passengers and broaden their horizons. They are suitable for traveling tourist vehicles in the city and are also a mobile advertising carrier in the city