主要研究方向：

1.韌性交通評(píng)估與優(yōu)化

2.應(yīng)急交通管理

3.公共交通規(guī)劃

科研工作：

參與國(guó)家自然科學(xué)基金1項(xiàng)、國(guó)家重點(diǎn)研發(fā)計(jì)劃1項(xiàng)和企業(yè)橫向課題多項(xiàng)，發(fā)表SCI/EI論文多篇。

主要科研項(xiàng)目：

1.國(guó)家重點(diǎn)研發(fā)計(jì)劃項(xiàng)目，2019YFB160102，城市多模式交通網(wǎng)運(yùn)行仿真系統(tǒng)平臺(tái)開發(fā)，2019-12至2022-12，結(jié)題，參加

2.國(guó)家自然科學(xué)基金面上項(xiàng)目，52072068，韌性視角下多模式公共交通網(wǎng)絡(luò)應(yīng)急接駁設(shè)計(jì)方法，2021-01至2024-12，在研，參加

3.江蘇省重點(diǎn)研發(fā)計(jì)劃（社會(huì)發(fā)展）項(xiàng)目，BE2016740，地鐵運(yùn)營(yíng)安全風(fēng)險(xiǎn)防控關(guān)鍵技術(shù)研究與應(yīng)用，2017-09至2019-12，結(jié)題，參加

4.橫向課題，上虞區(qū)域交通專項(xiàng)規(guī)劃，2017-09至2018-12，結(jié)題，參加

5.橫向課題，桐鄉(xiāng)市公共交通規(guī)劃，2018-10至2019-12，結(jié)題，參加

代表性論文論著：

[1] Jiefei Zhang, Gang Ren*, Jianhua Song. Resilience-based restoration sequence optimization for metro networks: A case study in China[J]. Journal of Advanced Transportation, 2022,2022:8595356 (SCI)

[2]張潔斐,任剛*,馬景峰,高瑾瑤,朱形.基于韌性評(píng)估的地鐵網(wǎng)絡(luò)修復(fù)時(shí)序決策方法[J].交通運(yùn)輸系統(tǒng)工程與信息,2020,20(4):14-19 (EI)

[3] Jiefei Zhang, Gang Ren*, Jianhua Song. Resilience-based optimization model of bridging bus emergency dispatching during metro operational disruptions[C]//101st Transportation Research Board Annual Meeting, Washington, DC, 2021

[4]Jiefei Zhang, Gang Ren, Qi Cao. Resilience assessment of urban rail transit considering supply and demand characteristics[C]//International Conference on Transportation and Development 2020, Washington: Seattle, 2020:71-82 (EI)

[5] Jian hua Song, Gang Ren*, Jiefei Zhang, Zhaowen Qiu. Evaluating zone of influence for traffic-related emissions generated near bus stops: a case study in Nanjing, China[J]. International Journal of Urban Sciences,2022,4:1-21 (SCI)