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12-13  Monitoring of Urban Road Traffic Noise in Key Cities (2003)
  City
Total Length
Roads with
Percentage of
Average  Width
Average 
Average
 of Roads
Excess Noise
Roads with 
of Roads
Traffic
Noise
(m)
(m)
Excess Noise 
(m)
Volume 
Value
(%) 
(car/hour)
(LeqdBA)
  Beijing       
596.1
260.0
43.6
36.0
5822
69.7
  Tianjin       
270.7
46.0
17.0
26.0
2214
68.2
  Shijiazhuang  
179.4
38.2
21.3
28.8
1513
67.8
  Taiyuan       
137.6
32.5
23.6
23.0
2154
67.8
  Hohhot        
82.6
26.4
32.0
29.3
2016
69.3
  Shenyang      
144.0
3.2
2.2
33.7
2048
67.8
  Changchun     
123.6
29.4
23.8
29.8
2670
68.4
  Harbin        
91.8
14.4
15.7
17.0
2120
68.3
  Shanghai      
213.9
112.5
52.6
20.0
2319
70.4
  Nanjing       
169.8
40.8
24.0
29.4
1678
68.9
  Hangzhou      
193.9
38.4
19.8
16.3
2078
67.9
  Hefei         
94.0
2.9
3.1
38.9
1933
67.7
  Fuzhou        
111.2
18.5
16.6
22.9
2393
68.4
  Nanchang      
67.5
41.6
61.7
29.3
2809
69.9
  Jinan         
206.6
64.0
31.0
46.9
2117
68.7
  Zhengzhou     
84.1
10.7
12.7
43.5
2019
68.0
  Wuhan         
223.4
123.8
55.4
18.7
2205
69.9
  Changsha      
95.8
50.2
52.4
28.3
2552
70.0
  Guangzhou     
237.1
65.2
27.5
23.0
3421
68.4
  Nanning       
102.0
54.1
53.0
19.8
3276
69.7
  Haikou        
107.3
20.4
19.0
34.2
2679
67.9
  Chongqing     
331.4
90.1
27.2
14.4
1461
67.5
  Chengdu       
313.2
58.3
18.6
44.7
2543
68.0
  Guiyang       
52.3
28.2
53.9
23.7
2466
70.2
  Kunming       
91.5
40.9
44.7
30.0
2044
70.5
  Lhasa         
52.9
11.5
21.8
17.5
622
67.4
  Xi'an         
195.1
69.7
35.7
23.6
2673
68.0
  Lanzhou       
125.4
47.6
38.0
19.7
1550
69.1
  Xining        
85.7
47.6
55.6
19.0
2247
70.6
  Yinchuan      
94.6
15.0
15.9
29.1
1502
68.0
  Urumqi        
112.5
63.2
56.2
40.0
1549
70.0
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