Research Article
Calculating the Contribution Rate of Intelligent Transportation System in Improving Urban Traffic Smooth Based on Advanced DID Model
Table 3
Related data of traffic smooth in Beijing.
| Year | ASPD | GDP | POP | CVECH | RODM | RODA | PVECH | PPER |
| 2000 | 18.9 | 3161 | 1357 | 104.1 | 2471 | 3502 | 10353 | 34.8 | 2001 | 19.0 | 3711 | 1383 | 114.5 | 2493 | 3701 | 12945 | 39.2 | 2002 | 19.8 | 4330 | 1423 | 133.9 | 2504 | 3857 | 15046 | 43.5 | 2003 | 20.1 | 5024 | 1456 | 163.1 | 3347 | 4315 | 16753 | 37.1 | 2004 | 20.0 | 6033 | 1493 | 182.4 | 4064 | 7287 | 18451 | 43.9 | 2005 | 23.4 | 6970 | 1538 | 209.7 | 4073 | 7437 | 18503 | 45.0 | 2006 | 22.5 | 8118 | 1581 | 239.1 | 4419 | 7286 | 19522 | 39.8 | 2007 | 20.5 | 9847 | 1633 | 273.4 | 4460 | 7632 | 19395 | 42.3 | 2008 | 23.1 | 11115 | 1695 | 313.7 | 6186 | 8940 | 21507 | 47.1 | 2009 | 23.1 | 12153 | 1755 | 368.1 | 6247 | 9179 | 21716 | 51.7 | 2010 | 22.2 | 14114 | 1961 | 449.7 | 6355 | 9395 | 21548 | 50.5 |
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Data sources: Beijing Transportation Development Annual Report.
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