9—11主要城市道路交通噪声监测情况(2006年)MonitoringProgrammeofUrbanRoadTrafficNoiseinMajorCities(2006)路段总长度超标路段路段超标率(米)(米)(%)TotalLengthRoadswithPercentageof城市CityofRoadsExcessNoiseRoadswith(m)(m)ExcessNoise(%)北京Beijing59609223600039.6天津Tianjin2740003600013.1石家庄Shijiazhuang179402146008.1太原Taiyuan1376002457017.9呼和浩特Hohhot1840278022843.6沈阳Shenyang1440005120035.6长春Changchun1236001520012.3哈尔滨Harbin1202001740014.5上海Shanghai21260015350072.2南京Nanjing1709004460026.1杭州Hangzhou2652652878510.9合肥Hefei90600福州Fuzhou1112001410012.7南昌Nanchang675002959043.8济南Jinan1614002820017.5郑州Zhengzhou10189587048.5武汉Wuhan2542799484037.3长沙Changsha954433743039.2广州Guangzhou2473608310033.6南宁Nanning1397507192051.5海口Haikou996501100011.0重庆Chongqing4561606434014.1成都Chengdu39982916683041.7贵阳Guiyang567801194021.0昆明Kunming915003320036.3拉萨Lhasa529502905054.9西安Xi'an2040174223020.7兰州Lanzhou1254001363010.9西宁Xining856802787032.5银川Yinchuan944003100032.8乌鲁木齐Urumqi20933011798256.4资料来源:国家环境保护总局(以下各表同)。Source:StateEnvironmentalProtectionAdministration(thesameasinthefollowingtables).路段平均路宽平均车流量噪声等效声级(米)(辆/小时)dB(A)AverageAverageAverageWidthTrafficNoiseofRoadsVolumeValue(m)(car/hour)dB(A)36.0542269.728.8222167.729.5188566.623.0212568.530.2200967.933.7226668.930.8281268.016.8241067.819.9216472.031.0202168.316.3183367.338.6248767.522.9261468.331.2325069.952.6246668.643.5293465.821.6215566.532.5271669.924.0348969.419.8331069.834.2244367.416.2169867.744.3318569.336.0272267.930.2227269.720.181570.024.3291067.919.7147968.117.1207469.832.2169967.542.9199170.4