Calculating the Contribution Rate of Intelligent Transportation System in Improving Urban Traffic Smooth Based on Advanced DID Model

Table 8

Data of experimental group and control group.

City	Year	ASPD	RODM	POP	CVECH	GDP
Shenzhen	2008	29.90	5849	933.3250	1252747	77,867,920.00
	2009	27.40	6035	974.6450	1419005	82,013,176.00
	2010	26.40	6184	1016.1050	1669674	95,815,101.00
	2011	28.00	5977	1041.9718	1939653	115,055,298.00
	2012	26.50	6015	1050.7432	2210821	129,501,000.00
Suzhou	2008	31.30	5013	897.3807	840431	70,780,900.00
	2009	25.70	5178	924.7993	1027058	77,402,000.00
	2010	25.80	5348	991.8973	1261001	92,289,100.00
	2011	25.90	5524	1049.3582	1518866	107,169,900.00
	2012	26.00	5672	1053.3855	1778977	120,116,500.00
Shanghai	2008	16.98	15844	2102.1141	1321229	140,698,700.00
	2009	17.70	16071	2175.4742	1471052	150,464,500.00
	2010	16.64	16687	2256.4845	1755100	171,659,800.00
	2011	15.64	16792	2325.0594	1947515	191,956,900.00
	2012	14.70	17316	2363.9464	2126637	201,817,200.00
Guangzhou	2008	21.00	5434	1084.1750	1171731	82,873,816.00
	2009	18.70	5519	1151.1550	1340540	91,382,135.00
	2010	22.70	6986	1228.9649	1598934	107,482,827.92
	2011	22.90	7072	1273.0500	1857740	124,234,390.00
	2012	25.30	7100	1279.5143	2041592	135,512,000.00

Data source: statistical yearbook of the cities and traffic statistics yearbook.