1. Sean Qian, Shuguan Yang, 2018, A non-sensor solution for effective and inexpensive parking management: payment, reservation, and dynamic pricing (provisional)


  1. Wei Ma, Sean Qian. (2018) Estimating multi-year 24/7 origin-destination demand using high-granular multi-source traffic data, submitted to Transportation Research Part C
  2. Yang Wang, Yong Zhang, Sean Qian, Shaofan Wang, Yongli Hu, Baocai Yin, (2018) Multi-Source Traffic Data Reconstruction Using Joint Low-Rank and Fundamental Diagram Constraints, submitted to IEEE Intelligent Transportation Systems Magazine
  3. Tayo Fabusuyi, Robert Hampshire, Sean Qian. (2018) Profiling Commuters Travel Behavior in the Pacific States of the Continental U.S., submitted to Transportation Research Part D

Journal Publications

  1. Pinchao Zhang, Sean Qian. (2018) User-centric interdependent urban systems: using time-of-day electricity usage data to predict morning roadway congestion, Transportation Research Part C, accepted and forthcoming
  2. Shuguan Yang, Sean Qian. (2018) Understanding and predicting highway travel time with spatio-temporal features of network traffic flow, weather and incidents, IEEE Intelligent Transportation Systems Magazine, accepted and forthcoming
  3. Xia Zhao, Yong Zhang, Hao Liu, Shaofan Wang, Sean Qian, Yongli Hu, Baocai Yin, (2018) Detecting Pickpocketing Gangs on Buses with Smart Card Data, IEEE Intelligent Transportation Systems Magazine, accepted and forthcoming
  4. Wei Ma, Sean Qian. (2018) "Statistical inference of probabilistic origin-destination demand using day-to-day traffic data", Transportation Research Part C, Vol.88, pp. 227-256. [URL]
  5. Xidong Pi, Sean Qian, Aaron Steinfeld, Yun Huang. (2018) "Understanding Human Perception of Bus Fullness: An Empirical Study of Crowdsourced Fullness Ratings and Automatic Passenger Counter Data", Transportation Research Record, accepted and forthcoming
  6. Wei Ma, Sean Qian. (2018) A Generalized Single-Level Formulation for Origin–Destination Estimation Under Stochastic User Equilibrium, Transportation Research Record, accepted and forthcoming
  7. Xidong Pi, Sean Qian, Jackson Whitmore, Amy Silbermann. (2018) "Understanding Transit System Performance Using APC/AVL Data: a Transit Data Analytics Platform With a Case Study for the Pittsburgh Region",  Journal of Public Transportation, accepted and forthcoming
  8. Amir Ghiasi, Omar Hussain, Sean Qian, Xiaopeng Li. (2017) "A Mixed Traffic Capacity Analysis and Lane Management Model for Connected Automated Vehicles: A Markov Chain Method", Transportation Research Part B, Vol.106, pp. 266-292. [URL]
  9. Xidong Pi, Sean Qian. (2017) "A Stochastic Optimal Control Approach for Real-time Traffic Routing Considering Demand Uncertainties and Travelers’ Choice Heterogeneity." Transportation Research Part B, Vol.104, pp.710-732. [URL] 
  10. Wei Ma, Sean Qian. (2017) "On the Variance of Recurrent Traffic Flow for Statistical Traffic Assignment", Transportation Research Part C, Vol.81, pp.57-82. [URL]
  11. Shuguan Yang, Sean Qian. (2017) "Turning meter transactions data into occupancy and payment behavioral information for on-street parking". Transportation Research Part C, Vol.78, pp.165-182. [URL]
  12. Yiming Gu, Sean Qian, Guohui Zhang. (2017) "Traffic State Estimation for Urban Road Networks Using A Link Queue Model." Transportation Research Record, Vol.2623, pp.29-39. [URL]
  13. Sean Qian, Jia Li, Xiaopeng Li, Michael Zhang, Haizhong Wang. (2017) "Modeling heterogeneous traffic flow: a pragmatic approach." Transportation Research Part B, Vol.99, pp. 183-204. [URL]
  14. Mark Egge, Sean Qian, Amy Silbermann. (2017) "Effect of Fare Policies on Dwell Time: Case Study for the Pittsburgh Region", Transportation Research Record, Vol. 2649, pp. 20-27. [URL]
  15. Yingjie Zhang, Sean Qian, Beibei Li, Frances Sprei. (2016) "The impact of car specifications, prices, and incentives for electric vehicles in Norway: choices of heterogeneous consumers", Transportation Research Part C, Vol. 69, pp. 386–401. [URL]
  16. Avi Mersky, Frances Sprei, Costantine Samaras, Zhen (Sean) Qian. (2016) "Effectiveness of incentives on electric vehicles adoption in Norway", Transportation Research Part D, Vol.46, pp. 56-68. [URL]
  17. Cong Chen, Guohui Zhang, Zhen Qian, Rafigul Tarefder. Zong Tian, (2016) "Investigating Driver Injury Severity Patterns in Rollover Crashes Using Support Vector Machine Models". Accident Analysis & Prevention, Vol.90, pp. 128-139. [URL]
  18. Yiming Gu, Sean Qian, Feng Chen. (2016) "From Twitter to Detector: Real-time incident detection using social media data", Transportation Research Part C, Vol. 67, pp.321-342. [URL]
  19. Xiao Chen, Sean Qian, Ram Rajagopal, Todd Stiers, Christopher Flores, Robert Kavaler, Floyd Williams (2016) "A Parking Sensing and Information System: Sensors, Deployment, and Evaluation", Transportation Research Record, Vol. 2559, pp.81-89. [URL]
  20. Yiming Gu, Sean Qian, Xiao-feng Xie, Stephen Smith. (2016) "An unsupervised learning approach for analyzing traffic impacts under arterial road closures: case study of East Liberty in Pittsburgh". Journal of Transportation Engineering ASCE, Vol.142 (9). [URL]
  21. Haizhong Wang, Lu Liu, Shanjiang Dong, Zhen (Sean) Qian, Heng Wei (2015), "A novel work zone short-term vehicle-type specific traffic speed prediction model through the hybrid EMDARIMA framework", Transportmetrica B: Transport Dynamics, Vol. 4(3), pp.159-186. [URL]
  22. Arbi Tamarazian, Zhen (Sean) Qian, Ram Rajagopal, (2015) "Where is my parking spot? On-line and off-line prediction of time-varying parking occupancy", Transportation Research Record: Journal of the Transportation Research Board, Vol. 2489, pp. 77-85. [URL]
  23. Zhen (Sean) Qian and Ram Rajagopal. (2015) "Optimal dynamic pricing for morning commute parking", Transpormetrica A: Transport Science, Vol. 4(11), pp 291-316. [URL]
  24. Yongxi Huang, Shengyin Li, Zhen (Sean) Qian, (2015) "Optimal Deployment of Alternative Fueling Stations on Transportation Networks Considering Deviation Paths", Network and Spatial Economics, Vol 15, pp.183-204 [URL]
  25. Zhen (Sean) Qian, Ram Rajagopal, (2014) “Optimal dynamic parking pricing for morning commute considering expected cruising time”, Transportation Research Part C,  Vol. 48, pp. 468-490 (also accepted for poster presentations in the 20th International Symposium on Transportation and Traffic Theory, a prestigious peer-viewed series since 1959). [URL]
  26. Robert Lim, Zhen (Sean) Qian, Michael Zhang. (2014) "Development of a Freight Generation Model With an Application to California", International Journal of Transportation Science and Technology, Vol.3(1), pp.19-38. [URL]
  27. Zhen (Sean) Qian, Ram Rajagopal. (2014) "Optimal occupancy-driven parking pricing under demand uncertainties and traveler heterogeneity: a stochastic control approach", Transportation Research Part B, Vol.67, pp.144-165. [URL]
  28. Haizhong Wang, Lu Liu, Zhen (Sean) Qian, Heng Wei, Shanjiang Dong (2014), "Empirical Mode Decomposition-Autoregressive Integrated Moving Average Hybrid Short-Term Traffic Speed Prediction Model", Transportation Research Record, Vol. 2460 pp. 66-76 [URL]
  29. Feng Xiao, Zhen (Sean) Qian, Michael Zhang, (2013) “Managing bottleneck congestion with tradable credits.”,  Transportation Research Part B, Vol 56, pp. 1-14 [URL]
  30. Michael Zhang, Marco Nie and Zhen (Sean) Qian, (2013) "Modeling network flow with and without link interactions: the cases of point queue, spatial queue and CTM", Transportmetrica B: Transport Dynamics, Vol. 1(1), pp. 33-51 [URL]
  31. Zhen (Sean) Qian, Michael Zhang, (2013) “The morning commute problem with heterogeneous travelers: the case of continuously distributed parameters”, Transportmetrica,  Vol. 9(2) [URL]
  32. Zhen (Sean) Qian, Michael Zhang, (2013) “A hybrid route choice model for dynamic traffic assignment”, Networks and Spatial Economics,  Vol.13(2), pp 183-203  [URL]
  33. Zhen (Sean) Qian, Michael Zhang, (2013), "Full Closure or Partial Closure? Evaluation of Construction Plans for the I-5 Closure in Downtown Sacramento.", Journal of Transportation Engineering ASCE, Vol. 139(3), pp 273-286 [URL]
  34. Zhen (Sean) Qian, Michael Zhang, (2012) “On centroid connectors in static traffic assignment: their effects on flow patterns and how to optimize their selections”, Transportation Research Part B, Vol. 46(10), pp 1489-1503 [URL]
  35. Zhen (Sean) Qian, Feng Xiao, Michael Zhang(2012) “Managing morning commute with parking”, Transportation Research Part B, Vol.46(7), pp. 894-916 [URL]
  36. Zhen (Sean) Qian, Wei Shen, Michael Zhang, (2012) “System-optimal dynamic traffic assignment with and without queue spillback: its path-based formulation and solution via approximate path marginal cost”, Transportation Research Part B, Vol.46(7), pp. 874-893 [URL]
  37. Michael Zhang, Yi-ru Chen, Robert Lim, Zhen (Sean) Qian, (2012), "What happens when a major freeway is closed for repair? The case of Fix-I5 in downtown Sacramento", Transportation Research Record, Vol. 2278, pp.134-144 [URL]
  38. Zhen (Sean) Qian, Michael Zhang, (2011), “The economics of parking provision for the morning commute”, Transportation Research Part A, Vol.45(9), pp. 861-879 (also presented in the 19th International Symposium on Transportation and Traffic Theory, a prestigious peer-viewed series since 1959) [URL]
  39. Zhen (Sean) Qian, Michael Zhang, (2011) “Modeling multimodal morning commute in a one-to-one corridor network”, Transportation Research Part C, Vol. 19(2), pp254-269  [URL]
  40. Zhen (Sean) Qian, Michael Zhang, (2011) “Computing individual path marginal cost in networks with queue spillbacks”, Transportation Research Record, Vol.2263, pp. 9-18 [URL]
  41.  Feng Xiao, Zhen (Sean) Qian, Michael Zhang, (2010) “The morning commute problem with coarse toll and non-identical commuters”, Networks and Spatial Economics,Vol.11, pp.343-369 [URL]
  42. Michael Zhang, Yu Nie, Zhen Qian, (2008) “Estimating time-dependent freeway O-D demands with different data coverage: a sensitivity analysis”, Transportation Research Record, Vol. 2047, pp 91-99 [URL]
  43. Qian Zhen, Lu Huapu, (2005) “An assignment method in transit network and its practicality research”, Journal of Tsinghua University Science and Technology, Vol.45,No.9 (in Chinese)
  44. Qian Zhen, Lu Huapu,Xu Wei, (2005) “Research on the framework of GIS-based transit planning software”, Computer and Communications, vol.23(1), pp.19-22 (in Chinese)
  45. Lu Huapu, Qian Zhen, (2005) “Primary research of urban comprehensive traffic planning method based on TOD mode”, Urban Transport, pp.24-27 (in Chinese)
  46. Huang Shan, Lu Huapu,Qian Zhen, (2005) “Data management modes of intercity traffic information platform software”, Computer and Communications, vol.27(1), pp.1-4 (in Chinese)

Selected Peer-reviewed Conference Proceedings

Almost all the journal publications were also peer-viewed and/or presented in Transportation Research Board Annual Meetings and other relevant IEEE/ASCE/INFORMS conferences. Here are some additional conference papers.

  1. Xuan Li, Pine Liu, Sean Qian, (2017) Towards An Occupancy-enhanced Building HVAC Control Strategy Using Wi-Fi Probe Request Information, Proceedings of the 2017 International Workshop on Computing in Civil Engineering. [URL]
  2. Konstantinos Pelechrinis, Beibei Li, Sean Qian, (2016) Bike Sharing and Car Trips in the City: The Case of Healthy Ride Pittsburgh, proceedings of Workshop on Information Technology and Systems (WITS) 2016, [URL]
  3. Po-ta Chen, Feng Chen, Sean Qian. (2014) "Non-recurrent Traffic Monitoring Based on Social Media with Hinge-loss Markov Random Fields", IEEE International Conference in Data Mining. [URL]
  4. Zhen (Sean) Qian, Ram Rajagopal. (2013) "Data-driven active parking management", Proceedings of Computing in Civil Engineering: pp. 395-402. [URL]
  5. Zhen Qian, Lu Huapu, Liu Chong. (2005) "Research on urban transit planning and management system based on GIS". International IEEE Conference on Intelligent Transportation Systems. [URL]
  6. Ruimin Li, Huapu Lu, Zhen Qian, Qixin Shi. (2005) Research in the integrated transportation information platform based on XML. International IEEE Conference on Intelligent Transportation Systems. [URL]

Selected Peer-reviewed Technical Reports

  1. Wei Ma and Sean Qian, (2016) Dynamic network analysis, traffic prediction and optimal dynamic messages for the Philadelphia region. Pennsylvania Department of Transportation technical report  [URL]
  2. Yiming Gu and Sean Qian, (2016) Real-time Incident Detection Using Social Media Data (Twitter), Pennsylvania Department of Transportation technical report [URL]
  3. Wei Ma and Sean Qian, (2015) Traffic impact of the Greenfield Bridge closure. The Public Works of Pittsburgh technical report 
  4. Sean Qian, (2014) Regional Traveler Information System for Power of 32 Region. Benedum Foundation technical report
  5. Michael Zhang, Zhen Qian (2011), Integrated Work Zone Traffic Management, Phase I: Functional Enhancement, Phase II: GUI Enhancement, Model Validation and Training Workshop, California Department of Transportation technical report 
  6. Zhen Qian, Michael Zhang (2011), Users' Manual and Tutorial of Integrated Work Zone Analysis Software, California Department of Transportation technical report 
  7. Michael Zhang, Zhen Qian , Robert Lim, (2011), Evaluation of the alternative work zone plans for the I-5 closure in Downtown Sacramento, California Department of Transportation (Caltrans) technical report
  8. Michael Zhang, Zhen Qian, Yi-ru Chen, Rachel Carpenter, Robert Lim, (2010), Evaluation of the I-5 Closure in Downtown Sacramento, California Department of Transportation technical report
  9. Michael Zhang, Shikai Tang, Zhen Qian, (2010), Visual PFE Software Enhancement for Planning Applications in Small Sized Community (UC Davis), California Department of Transportation technical report
  10. Michael Zhang, Yu Nie, Zhen Qian, (2008), The Variational Inequality Approach for Dynamic OD Estimation for Freeways, California Department of Transportation technical report