Investigation and Research on the Characteristics of Actual Activity Level of Vehicles on Typical Roads in Tianjin
			
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				DOI: 10.23977/TEE2021.024			
			
				Author(s)
				Yi Zhang, Lin Zheng, Ran Zhou, Shitao Peng, Lequn Zhu, Xiaojun LI and Yisheng Wang
			 
			
				
Corresponding Author
				Lin Zheng			
			
				
ABSTRACT
				The real vehicle activity characteristics (the traffic volume, speed and fleet composition) of typical roads (express roads, artery roads, secondary roads, and local roads) and typical districts (central city and outer suburb) in Tianjin were recorded and analyzed with a method of field investigation. the traffic volume, speed and fleet composition of volume vehicles could provide data support for vehicle emission research, targeted control and precise governance.			
			
				
KEYWORDS
				Vehicle activity, vehicle emission, field survey, typical roads