Study On The Influence Of The Existing Crossing Bridges On Road Traffic In The Main Districts Of Lanzhou

There are many factors influencing on the safety of urban road traffic,the relationship between the various factors is also complex.With the vigorous development of global economy,the transportation industry is also heating up.The numbers of motor vehicles bring convenience to the citizen travel and the transportation industry;it raised a series of traffic management issues.Such as traffic jams,traffic safety issues and traffic accidents.So road traffic problem have been social issue.Moreover,traffic has become a global issue.Lanzhou is located in the northwest of China and belongs to the capital city of Gansu Province.It belongs to the typical valley-type city of the two mountains and the river.The development of road traffic in Lanzhou is particularly constrained by geographical environment,so the planning and design of road traffic in Lanzhou is more challenging.In addition,Lanzhou,as an important industrial base and integrated transportation hub in the northwest region,it is also an important node city of the new Silk Road economy,and its transportation development is crucial.Therefore,it is very necessary to study the impact of cross-river road bridges in the main urban area of Lanzhou on traffic,which has certain practical significance and value.This study mainly includes the following three major aspects:The first part: including the chapters for the first three chapters.The first chapter introduces the background of the research topic,the significance of the research,the purpose,and the research methods and technical routes.The second chapter is the current research status of road traffic problems at home and abroad,as well as the research situation of experts and scholars on traffic congestion in Lanzhou.The third chapter mainly introduces the 11 bridges across the river that has been built in the main urban area of Lanzhou.The second part: including the chapters for the fourth and fifth chapters.This part is the key point.The fourth chapter combines the third chapter of the existing cross-river bridge in the main city of Lanzhou.The key investigation is carried out by taking the Cheng Guan Bridge as an example,from vehicle factors,transportation facilities factors,traffic management aspects,traffic flow and so on.Start with the analysis of the current problems in road traffic,analyze the causes of the problems,and summarize the main impacts.The fifth chapter combines the previous analysis results and data to propose countermeasures.Solving the problem of urban road traffic can be solved not only by a single department,but also by the whole people and there are many constraints.It is related to the government's policies,the relevant regulations of the management department,the technology of the transportation system,and the overall traffic awareness level of the whole people.It is hoped that thisresearch can have certain reference value and promotion significance for the development of road transportation in Lanzhou.The third part: the conclusions and prospects of the paper.