To better describe cooperative car-following behaviors under intelligent transportation circumstances and increase roadway traffic mobility, the data of three successive following cars at a signalized intersection of Jinan in China were obtained and employed to explore the linkage between two preceding cars' average speed and car-following behaviors. The results indicate that two preceding cars' average velocity has significant effects on the following car's motion. Then an improved car-following model considering two preceding cars' average velocity was proposed and calibrated based on full velocity difference model and some numerical simulations were carried out to study how two preceding cars' average speed affected the starting process and the traffic flow evolution process with an initial small disturbance, the results indicate that the improved car-following model can qualitatively describe the impacts of two preceding cars' average velocity on traffic flow and that taking two preceding cars' average velocity into account in designing the control strategy for the cooperative adaptive cruise control system can improve the stability of traffic flow, suppress the appearance of traffic jams and increase the capacity of signalized intersections.

Shao-Wei Yu

Zhong-Ke Shi

International Journal of Modern Physics C

INTERNATIONAL JOURNAL OF MODERN PHYSICS C (IJMPC) 是一本致力于计算物理学的期刊，旨在发表关于使用计算机促进物理科学知识和在计算中使用物理类比的评论和研究文章。涵盖的主题包括：算法；计算生物物理学；计算流体动力学;统计物理学；复杂的系统；计算机和信息科学；凝聚态物理、材料科学；社会和经济物理学；实验物理学中的数据分析与计算；环境物理学；交通建模；物理计算包括神经网络、元胞自动机和遗传算法。

The International Journal of Modern Physics C (IJMPC) is dedicated to the field of computational physics, aiming to publish reviews and research articles that promote the advancement of physical science knowledge through the use of computers. Topics covered include algorithms, computational biophysics, computational fluid dynamics, statistical physics, complex systems, computer and information science, condensed matter physics, materials science, socio-economic physics, data analysis and computation in experimental physics, environmental physics, traffic modeling, and physical computation methods such as neural networks, cellular automata, and genetic algorithms.

《国际现代物理学C期刊》（International Journal of Modern Physics C）致力于计算物理学领域，旨在发表关于利用计算机推动物理科学知识发展的评论和研究文章。期刊涵盖的主题包括：算法、计算生物物理学、计算流体动力学、统计物理学、复杂系统、计算机与信息科学、凝聚态物理、材料科学、社会与经济物理学、实验物理学中的数据分析与计算、环境物理学、交通建模，以及物理计算方法（如神经网络、元胞自动机和遗传算法）。

An improved car-following model with two preceding cars' average speed

The results indicate that the improved car-following model can qualitatively describe the impacts of two preceding cars' average velocity on traffic flow and that taking two preceding car's average velocity into account in designing the control strategy for the cooperative adaptive cruise control system can improve the stability of traffic flow, suppress the appearance of traffic jams and increase the capacity of signalized intersections.

Category	Quartile
物理与天体物理	4
物理与天体物理, 计算机跨学科应用	4
物理与天体物理, 物理数学物理	4

An improved car-following model with two preceding cars' average speed

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Journal Info

Category	Quartile
PHYSICS, MATHEMATICAL	2