
Sort  The meaning of variables  Variable units  Symbol 

1  Road passenger capacity  Yuan  
2  Railway passenger capacity  Yuan  
3  Exhaust emission  g  
4  Emission intensity  g  
5  Environmental pollution  L  
6  Fuel consumption volume  L/100 km  
7  Gross domestic product  Ten thousand  
8  Investment of bus  Yuan  
9  Investment of taxi  Yuan  
10  Investment of railway  Yuan  
11  Investment of infrastructure  Yuan  
12  Investment of public transportation  Km  
13  Investment of road  Yuan  
14  Length of road  Km  
15  Length of railway  Km  
16  Number of buses  Ten thousand  
17  Number of taxies  Ten thousand  
18  Number of railbus  Ten thousand  
19  Number of private cars  Ten thousand  
20  Private car increment  Ten thousand  
21  Turnover of bus  Person/km  
22  Turnover of taxi  Person/km  
23  Turnover of railway  Person/km  
24  Turnover of private car  Person/km  
25  Traffic intensity  Person  
26  Traffic load  Person/yuan  
27  Total population  Ten thousand  
28  Travel volume of bus  Person/day  
29  Travel volume of taxi  Person/day  
30  Travel volume of railway  Person/day  
31  Travel volume of private car  Person/day  
32  Travel volume of public transport  Person/day  
33  Travel volume of total trip  Person/day  
34  Rate of average trip  %  
35  Transformation coefficient of bus  km/yuan  
36  Transformation coefficient of taxi  km/yuan  
37  Transformation coefficient of railway  km/yuan  
38  Transformation coefficient of private car  km/yuan  
39  Coefficient of discharge  g/L  
40  Coefficient of economic decrease  Yuan/g  
41  Coefficient of emission factor  g/person  
42  Coefficient of environmental influence  No dimension  
43  GDP growth rate  %  
44  Investment proportion of infrastructure  %  
45  Investment proportion of public transportation  %  
46  Investment proportion of road  %  
47  Public transportation share rate  %  
48  Private car share rate  %  
49  Trip frequency of total average  Times  
50  Net growth rate of population  %  
51  Peak hour flow of bus  Person/times  
52  Peak hour flow of taxi  Person/times  
53  Peak hour flow of railway  Person/times  
54  Peak hour flow of private car  Person/times  
55  Travel distance of bus  km  
56  Travel distance of taxi  km  
57  Travel distance of railway  km  
58  Travel distance of private car  km  
59  Trip frequency of bus  Times  
60  Trip frequency of taxi  Times  
61  Trip frequency of railway  Times  
62  Trip frequency of private car  Times  
63  Investment proportion of bus  %  
64  Investment proportion of taxi  %  
65  Investment proportion of railway  %  
66  Investment proportion of private car  %  
