Traffic flow velocity disturbance characteristics and control strategy at the bottleneck of expressway<xref rid="cpb_27_12_124502fn1" ref-type="fn">*</xref><fn id="cpb_27_12_124502fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant No. 51468034), the Colleges and Universities Fundamental Scientific Research Expenses Project of Gansu Province, China (Grant No. 214148), the Natural Science Foundation of Gansu Province, China (Grant No. 1606RJZA017), and the Universities Scientific Research Project of Gansu Provincial Educational Department, China (Grant No. 2015A-051).</p></fn>

Traffic flow velocity disturbance characteristics and control strategy at the bottleneck of expressway**

Project supported by the National Natural Science Foundation of China (Grant No. 51468034), the Colleges and Universities Fundamental Scientific Research Expenses Project of Gansu Province, China (Grant No. 214148), the Natural Science Foundation of Gansu Province, China (Grant No. 1606RJZA017), and the Universities Scientific Research Project of Gansu Provincial Educational Department, China (Grant No. 2015A-051).

Zeng Jun-Wei¹, Qian Yong-Sheng^{1, †}, Wei Xu-Ting¹, Feng Xiao²

(color online) Fundamental diagram. (a) The averaged flow–density diagram. (b) The averaged velocity–density diagram.