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This method could ease traffic congestion in the intersection, but extend the traffic signal cycle time.
Road Traffic Safety. 2010, 4(2).
[3] Wei Li, Bin Huang, Bicycle traffic environment problem and improve the countermeasures in Beijing [J]. urban traffic. 2011, 9(5):18-27.
[4] Yuanqiang Zhou and Yuzo Akatsuka, A Study on characteristics of bicycle traffic under mixed traffic on a road segment in beijing China[R].Proceedings of the international symposium on non-motorized transportation Beijing, May 23-25, 1994:195-200
Journal of Beijing Polytechnic University. 1993, 9:72-78.

Open Shortest Path First (OSPF) protocol provides authentication methods to protect the authenticity and integrity of the routing traffic.
Experimental results show that the configuration of OSPFv2 routing authentication can effectively prevent the router from receiving unauthorized or malicious routing updates, thereby improving network safety.
Yu 2006 IEEE international Conference on Systems,Man, and Cybernetics (Taipei, Taiwan, October 8-11 2006) pp 1891-1896 [5] J.
Clement 2007 2nd International Conference on Internet Monitoring and Protection, ICIMP 2007, July 1, 2007 - July 5, 2007 (San Jose, CA, United states, 2007) [6] P.
Zhang 2005 Research on security of OSPF routing protocol with digital signature Nanjing Youdian Xueyuan Xuebao/Journal of Nanjing Institute of Posts and Telecommunications 25 86-90.

Journal of Bridge Engineering, 20(5) (2015) 04014080
Journal of Bridge Engineering, 10(5) (2005) 511-519
In International efforts in lifeline earthquake engineering. (2013) pp. 425-432
Journal of Bridge Engineering, 8(6) (2003) 374-382
Journal of Bridge Engineering, 22(6) (2017) 05017004

It affects not only the safety and comfort of vehicles, but also seriously affects carbon emissions of vehicles.
Traffic volumes and vehicles carbon emissions were positively correlated linear relationship, that is the greater the traffic volumes, the more vehicles carbon emissions.
When considering the influence which design of traffic volumes impact on carbon emissions, we should consider the impact of annual growth rate indicators of traffic volumes.
[9] Xiaodan Wei, Research on the International Roughness Index ( IRI) as the Pavement Roughness Index[J].
Journal of Highway and Transportation Research and Development, vol.16, pp.9-13,1999. in Chinese

This paper introduces the importance of the bolster spring in railroad traffic safety, and the present situation of detection about the free length of the bolster spring has been reviewed.
The load balance of each spring sets will directly affect the working life of railway trucks and traffic safety[1,2].
At this time, if the length of a group spring does not match, uneven stress may break springs or reduce their working life, and causing road traffic accidents.
The prism rotating depends mainly on motor drive, this mechanical scanning mode drived by motor has the highest international speed of about 400 times per second, generally speed is only dozens times per second.
Conclusions Bolster spring of railroad tracks has very important significance in train running safety.

(2) There were 4 breakages in safety barrier parts.
(4) There were some long cracks on the overpass deck along traffic direction.
The rigid body's velocity component perpendicular to the traffic direction reduced to 0m/s because of railing's blocking with micro rebound inward.
[2] T.J.Holmquist, Dr.G.R.Johnson, Dr.W.H.Cook, “A computational constitutive model for concrete subjected to large strains, high strain rates, and high pressures,” Fourteenth International Symposium on Ballistics, Quebec City, Canada, 1993,9
[4] Cai Qing-yu, Cui Wei-feng, Xiang Dong, Zeng Xinwu, “Simulation of Concrete Penetrated by Rigid Projectile with Coupled FE-SPH Methods”, Journal of national university of defense technology, vol. 25, No.6 2003. 87-90.

International Journal of Science and Research Volume 4.
International Journal of Engineering and Management Research.
International Journal for Technological Research in Engineering.
International Journal Of Chemtech Research.
International Journal of Research and Reviews in Applied Sciences.

In recent year, traffic loads are significantly higher than when many of the country’s bridges were built, especially from truck traffic.
[2] National Transportation Safety Board.
Structural Safety, 2010(32):25-34 [6] Mark G.
International Journal of Protective Structures, 2010(1):23-40 [7] AASHTO. (1991) “Guide specification and commentary for vessel collision design of highway bridges.”
General Principles on Reliability for Structures, International Organization for Standardization [M] Geneva, 1998 [9] Melchers R E.

Meanwhile, people become more and more eager to return to the nature and enjoy the comfort, safety, belongingness of the home.
Contrasting with the traffic jams, the internal traffic of the estate is sparse.
Journal of Urban Technology, Vol. 17, No. 3, December 2010, 53–67
Architectural Journal, 2011(2)
International Urban Planning, 2008(4):24-28

But in fact, medium and short-span bridges take a large proportion in Chinese bridge structure, the safety of which shows decisive status on the guarantee of the secure and smooth road traffic.
Special problems in evaluating the safety of concrete bridges and concrete bridge components [J].
Journal of the structural division, 1975, 101
Structural safety, 1987, 4(4): 285-292
Proceedings of the 6th International Modal Analysis Conference, 1988: 690-695