1996-2001，长沙交通学院路桥系，助教 2001-2006，长沙理工大学交通运输学院，讲师 2006-2012，长沙理工大学交通运输工程学院，副教授 2008-2015，长沙理工大学交通运输工程学院，副院长 2012至今，长沙理工大学交通运输工程学院，教授

目前主持的主要科研项目:

1. 城市快速路交通拥堵生成机理及状态估计方法，国家自然科学基金项目。

2. 城市立体化多方式复杂交通网络的协同构建,中国工程院重大咨询项目子题

3. “智能道路与车路协同”重点实验室，湖南省科技厅

4. 高速公路交通流监测预警研究，湖南省交通厅

5. 基于收费拆分大数据的长益高速公路交通流特征分析，湖南省交通厅

1. Long, K.J., Liu, Y., Han, D.L. “Impact of countdown timer on driving maneuvers after the yellow onset at signalized intersections. Safety Science, 2013, 54:8-16

2. Long K.J., Han LD, Yang Q. Effects of countdown timers on driver behavior after the yellow onset at Chinese intersections. Traffic Injury Prevention, 2011, 12 (5):538-44.

3. Long K, Lin Q, Gu J, Wu W, Han LD. Exploring Traffic Congestion on Urban Expressways Considering Drivers’ Unreasonable Behavior at Merge/Diverge Sections in China. Sustainability. 2018; 10(12):4359.

4. Long K, Yao W, Gu J, Wu W, Han LD. Predicting Freeway Travel Time Using Multiple- Source Heterogeneous Data Integration. Applied Sciences. 2019; 9(1):104.

5. Wu W., Ma W.J., Long K.J.. Capacity Matching Based Model for Protected Left Turn Phases Design of Adjacent Signalized Intersections Along Arterial Roads. Promet – Traffic &Transportation, 2015, 27(1):13-21

6. Long, K. J., Safety Evaluation for Roadside Crashes by Vehicle-object Collision Simulation. Advances in Mechanical Engineering, 2018

7. Wu W., Ma W.J., Long K.J, Zhou H.P., Zhang Y.. Designing Sustainable Public Transportation: Integrated Optimization of Bus Speed and Holding Time in a Connected Vehicle Environment. Sustainability, 2016, 8, 1170; doi:10.3390/su8111170

8. Zeng M. H., Long K. J., Ling Z. W.. A Multi-Stage Multi-Objective Model for Emergency Evacuation Considering ATIS. Mathematical Problems in Engineering, 2016, Article ID 8291950

9. 龙科军,李寅,雷正保,郑健龙. 基于加速度严重指数的公路路侧危险度评估. 中国公路学报,2013,26(3):143-150

10. 龙科军，李磊，肖向良，赵文秀. 城市路网交通运行效率评价. 中南大学学报(自然科学版)，2013, 44(SI): 430-435

11. 杨晓光,徐辉,王健,龙科军. 港湾式公交停靠站设置条件研究. 中国公路学报, 2011,24(1):96-103