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The scheduled safety headway time is h = d2a-d1a＞hmin.
Railway Timetable &Traffic.
Railway network timetabling and dynamic traffic management.
International Journal of Civil Engineering, 8(1): 19-32
Journal of Transportation Systems Engineering and Information Technology, 119-123

Reintroduction in the Process of Operation of Worn Metal Assemblies, from the Composition of Public Transport Vehicles, Using Mechanized MIG/MAG (GMA) Welding Reconditioning, in Conditions of Guaranteeing Traffic Safety Ion-Aurel Perianu1,a*, Lia-Nicoleta BOȚILĂ2,b, Radu COJOCARU3,c and Emilia-Florina BINCHICIU4,d 1,2,3,4National Research & Development Institute for Welding and Material Testing – ISIM; Address: 30, Mihai Viteazu Blvd., Postal Code 300222, Timisoara, Romania aaperianu@isim.ro, blbotila@isim.ro, crcojocaru@isim.ro, debinchiciu@isim.ro Keywords: reconditioning, MIG/MAG (GMA) welding, tram worn components Abstract.
The field most likely to be rehabilitated is that of urban transport: semi-couplings, axles, hubs, brake drums, bearing assemblies, couplings, etc., showing a high degree of wear, which has the effect of premature damage to means of transport and endangering traffic safety.
Replacement of worn components involves high material and financial costs, so it is preferable to recondition them to ensure operational safety.
From ISIM's point of view, the approach of this field aimed at the technical solutions for reconditioning installations by welding to be at the level of international achievements, but at a much lower price, an objective that is in line with the government's strategy of European integration.
[5] XXX, “Special wires speed up maintenance and repair”, Welding Journal, 1998, Vol. 69, Nr. 11, p. 58 – 59

The outstanding performance is that the city traffic congestion is becoming more and more serious.
The clearance is the necessary safety distance of the closed vehicle on the target lane adds the body length of an articulated bus.
The faster the speed, the longer the required safety distance, and the clearance value will be bigger.
Journal of Ningxia University 2010, 31(1), p. 56-60
Ultra-Fast Macros: User-Written Functions Based on ADAMS/SDK. 2000 International ADAMS User Conference, 2004

Journal of Automotive Safety and Energy, 2010, 1(1): 1-5
International Journal of Aerospace Innovations, 2012, 4(3): 95-102
Development of a finite element model of the total human model for safety (THUMS) and application to injury reconstruction[C]//Proceedings of the International IRCOBI Conference. 2002
Traffic injury prevention, 2003, 4(4): 345-354
International Journal of Industrial Ergonomics, 2008, 38(5): 368-383

The experiment was repeated several times under good traffic condition to minimize the influence of the external factors and other unknown issues on the test result.
The traffic condition could be divided into two parts based on the time consumped of one driving cycle: traffic jam and the opposite such as the rush hour in the moring per working day.
Generally,the skillful driver had longer preview distance than the fresh one in case of safety and comfort.
Energy Economy Analysis of the G Wiz:a Two Year Case Study based on Two Vehicles,Journal of Automobile Engineering,2011,225(7) : 1505~1519 [6] A McGordon1, J E W Poxon, C.Cheng.
International Conference on Advanced Driver Assistance Systems, 2001.483 ~495

In 2011, Martin Pircher [20] studied the bridge damage caused by the heavy traffic.
Stochastic model for multilane traffic effects on bridges, Journal of Bridge Engineering, ASEC. 6(2) (2001) 136-143
[16] Sang-Youl Lee, Sung-Soon Yhim, Dynamic behavior of long-span box girder bridges subjected to moving loads: Numerical analysis and experimental verification, International Journal of Solids and Structures. 42 (2005) 5021-5035
[47] Li Yongle, Zhao Kai, Chen Ning, Liao Haili, Wind-Vehicle-Bridge System Coupling Vibration and Traffic Safety Analysis, Engineering Mechanics. 29(5): (2012) 206-212
Xu, Safety Analysis of Moving Road Vehicles on a Long Bridge under Crosswind, J.

Intelligent Building System Based on Sensor Network of IPV6 Jian-ming CUI1,2,a 1School of Information Engineering, Chang’an University, Xi’an 710064, China 2Shaanxi Road Traffic Detection and Equipment Eng.
To achieve interoperability and integration of multiple technologies information, IPv6 technology is the best choice. 2.2 Separate address and improve safety The technical aspects of interoperability, IPv6 and IPv4 networks have the same advantages.
In the security module design, full use the powerful features of the intelligent building platform to enable this security system has many unique features: System not only sends alarm message, and send control image; Households alarm at any time through a variety of ways, and view the log of home security system through the browser and images, avoid the owner of the home away from home safety concerns.
Acknowledgements The Project was Supported by the Special Fund for Basic Scientific Research of Central Colleges(CHD2010JC035), Chang’an University, by the Special Fund for Basic Research Program of Chang’an University and by the open Fund for Shaanxi Road Traffic Detection and Equipment Engineering Research Center.
Berangi , "Automatic Location Update using IPV6 Addressing Format for Next Generation Network ", JCIT: Journal of Convergence Information Technology, Vol. 4, No. 2, pp. 132 ~ 137, 2009 [3] Yu, Chen, "Research and design of intelligent building distributed circumstance monitor system based on wireless communication", Proceedings - 2008 2nd International Symposium on Intelligent Information Technology Application, IITA 2008, v 2, p 750-754, 2008 [4] Hocheal Kim, "An Enhancement of FMIPv6 for the Packet Radio Networks which Supports the QoS Provisioning on the MIPv6 ", JDCTA: International Journal of Digital Content Technology and its Applications, Vol. 3, No. 2, pp. 33 ~ 41, 2009

Moreover, certain parameters of the damaged windshield can be used for traffic accident reconstruction.
According to the former theoretic studies [8, 9] on PVB laminated glazing damage and investigations on actual traffic accident, shown in Fig.3, there are three different crack patterns: spider-web crack, circumferential crack and plastic crack.
Fig. 3 Crack patterns of windshield in a traffic accident Fig. 4 Specimen after impact Result and discussion Sequence of the two kinds of crack patterns.
Li: Journal of Automobile Engineering 223 (2009) 77-84
Li: International Journal of Crashworthiness 14 (2009) 63-71.

Air transportation belongs to traffic, storage and postal service.
Table2 Income of Long- distance traffic proportion in international travel 　 2005 2006 2007 2008 2009 Long-distance traffic proportion（%） 28.2 21.7 26.6 30.6 29.6 1.civil aviation 20.2 19.6 21.0 22.2 21.6 2.railway 3.1 0.8 1.8 3.3 3.2 3.automobile 2.4 0.9 1.7 2.6 2.4 4.steamboat 2.5 0.4 2.1 2.6 2.3 PS: data take from Sta.
Firstly, for air passenger traffic correlation, Shenzhen is inferior to Wuhan.
In Chinese [5] Center of Aviation Safety Technology of Civil Aviation Administration of China: Air Passenger Constitute Analysis Report in 2007, volume 3 of China Civil Aviation, (2008), p. 47-48.
In Chinese [11] Qin Lijing: Study on the Evaluation Index System of the Competitiveness of the International Shipping Centers Based on Set-Pair Analysis (Dalian Maritime University, Dalian 2008).

Introduction Rear-end collision, especially between large vehicles and the car, has become China's highway traffic number one killer.
Journal of commercial vehicles, 2003, (3) : 64-65
Simulation of Truck Rear Under-run Barrier Impact [C].17th International Technical Conference on Enhanced Safety of Vehicles, Amsterdam,2001
Journal of automotive technology,2009(1):9-11
International Journal of Vehicle Design, 2008，v 46, n 3, p 271-293