
Schonfeld, Paul
Professor
Civil and Environmental Engineering
3134 Jeong H. Kim Engineering Building
Website(s):
EDUCATION
- Ph.D., University of California, Berkeley, 1978
- M.S., Massachusetts Institute of Technology, 1974
- B.S., Massachusetts Institute of Technology, 1974
- Transportation Engineering
- Urban Public Transportation Systems
- Freight Logistics
- Infrastructure Location and Design
- Air Transportation
- Inland Waterways
- Maintenance Planning and Scheduling
- Transportation Network Development
- Infrastructure Maintenance Management
UNIVERSITY OF MARYLAND UNDERGRADUATE COURSES[Jan 1978. - May 2021]
◙ ENCE 370 - Fundamentals of Transportation Engineering
◙ ENCE 463 - Engineering Economics and Systems Analysis
◙ ENCE 466 - Design of Civil Engineering Systems (Capstone)
◙ ENCE 472 - Transportation Engineering
◙ ENCE 474 - Rail and Mass Transit Engineering -
UNIVERSITY OF MARYLAND GRADUATE COURSES [JAN 1978. – May 2021]
◙ ENCE 672 - Regional Transportation Planning
◙ ENCE 674 - Public Transportation Planning
◙ ENCE 675 - Airport Planning and Design
◙ ENCE 681 – Freight Transportation Analysis
- Tsao, S.M., and Schonfeld, P. “Optimization of Zonal Transit Service,” J. of Transp. Engineering, ASCE, 109-2, March 1983, pp. 257-272.
- Tsao, S.M., and Schonfeld, P. “Branched Transit Services: An Analysis,” J. of Transp. Engineering, ASCE, 110-1, Jan. 1984, pp. 112-128.
- Carter, E., Chadda, H., and Schonfeld, P. “A Comparison of Transportation Planning in Developed and Developing Countries,” Transp. Quarterly, Jan. 1984, pp. 69-86.
- Meer, A., and Schonfeld, P. “Small Cars: Problems and Opportunities,” ITE Journal, March 1984, pp. 49-53.
- Hu, Y.C., and Schonfeld, P. “Simulation and Optimization of Regional Networks,” J. of Transp. Engineering, ASCE, 110-4, July 1984, pp. 431-443.
- Hu, Y.C., and Schonfeld, P. “Optimizing Traffic Diversion Around Bottlenecks,” Transp. Research Record 957, 1984, pp. 22-27.
- Schonfeld, P., and Frank, S. “Optimizing the Utilization of a Containership Berth,” Transp. Research Record 984, 1984, pp. 50-63.
- Chadda, H., and Schonfeld, P. “Are Pedestrians Safe at Right on Red Intersections?” J. of Transp. Engineering, ASCE, 111-1, Jan. 1985, pp. 1-16.
- Schonfeld, P., and Chadda, H. “Automobile Travel Reduction Options for Urban Areas,” ITE Journal, April 1985, pp. 44-48.
- Schonfeld, P. and Chadda, H. “An Assessment of Urban Travel Reduction Options,” Transp. Quarterly, July 1985, pp. 391-406.
- Schonfeld, P., and Sharafeldien, O. “Optimal Berth and Crane Combinations in Container Ports,” J. of Waterway, Port, Coastal and Ocean Engineering, ASCE, 111-6, Nov. 1985, pp. 1060-1072.
- Chen, C.S., and Schonfeld, P. “Optimum Stall Angle for Large Parking Lots,” J. of Transp. Engineering, ASCE, 114-5, Sept. 1988, pp. 574-583.
- Chang, S.K. and Schonfeld, P. “Optimization Models for Comparing Conventional and Subscription Bus Feeder Services,” Transp. Science, 25-4, Nov. 1991, pp. 281-298.
- Chang, S.K. and Schonfeld, P. “Multiple Period Optimization of Bus Transit Systems,” Transp. Research Part B: Methodological, 25B-6, Dec. 1991, pp. 453-478.
- Lee, K.T. and Schonfeld, P. “Optimal Slack Times for Timed Transfers at a Transit Terminal,” J. of Advanced Transp., 25-3, Fall 1991, pp. 281-308.
- Chang, S.K. and Schonfeld, P. “Integration of Fixed and Flexible Route Bus Systems,” Transp. Research Record 1308, 1991, pp. 51-57.
- Dai, D.M. and Schonfeld, P. “Simulation of Waterway Transportation Reliability,” Transp. Research Record 1313, 1991, pp. 98-105.
- Carter, E., and Schonfeld, P. “Safety Belt Use and Highway Safety in Maryland,” Transp. Research Record 1325, 1991, pp. 45-50.
- Wei, C.H., Dai, D.M. and Schonfeld, P. “Computational Characteristics of a Numerical Model for Series of Waterway Queues,” Transp. Research Record 1333, 1992, pp. 45-54.
- Martinelli, D., Dai, D.M., Schonfeld, P. and Antle, G. “A Methodology for Planning Interdependent Waterway Improvements,” Transp. Research Record 1383, June 1993, pp. 49-57.
- Chang, S.K. and Schonfeld, P. “Optimal Dimensions of Bus Service Zones,” J. of Transp. Engineering, ASCE, 119-4, July/Aug. 1993, pp. 567-585.
- Wei, C.H. and Schonfeld, P. “An Artificial Neural Network Approach for Evaluating Transportation Network Improvements,” J. of Advanced Transp., Vol. 27-2, Summer 1993, pp. 129-152.
- Chang, S.K. and Schonfeld, P. “Welfare Maximization with Financial Constraints for Bus Transit Systems,” Transp. Research Record 1395, Aug. 1993, pp.48-57.
- Spasovic, L.N. and Schonfeld, P. “A Method for Optimizing Transit Service Coverage,” Transp. Research Record 1402, Oct. 1993, pp. 28-39.
- Ramanathan, V. and Schonfeld, P. “Approximate Delays Caused by Lock Service Interruptions,” Transp. Research Record 1430, Jan. 1994, pp. 41-49.
- Lee, K.T. and Schonfeld, P. “Real - time Dispatching Control for Coordinated Operations in Transit Terminals,” Transp. Research Record 1433, Sept. 1994, pp. 3-9.
- Wei, C.H. and Schonfeld, P. “Multi - period Network Improvement Model,” Transp. Research Record 1443, Oct. 1994, pp. 110-118.
- Kim, Y.M. and Schonfeld, P. “Neural Network Estimation of Lock Service Times,” Transp. Research Record 1497, July 1995, pp. 36-43.
- Lee, K.T., Kuo, H.F. and Schonfeld, P. “Optimal Mixed Bus Fleet for Urban Operations,” Transp. Research Record 1503, July 1995, pp. 39-48.
- Chang, C. and Schonfeld, P. “Flight Sequencing in Airport Hub Operations,” Transp. Research Record 1506, July 1995, pp. 26-33.
- Martinelli, D. and Schonfeld, P. “Approximating Delays at Interdependent Locks,” J. of Waterway, Port, Coastal and Ocean Engineering, ASCE, 121-6, Nov. 1995, pp. 300-307.
- Ting, C.J. and Schonfeld, P. “Effects of Tow Sequencing on Lock Capacities and Service Times,” J. of Waterway, Port, Coastal and Ocean Engineering, ASCE, 122-1, Jan./Feb. 1996, pp. 16-26.
- Kim, D.N. and Schonfeld, P. “Benefits of Dipped Vertical Alignments for Rail Transit Routes,” J. of Transportation Engineering, ASCE, 123-1, Jan./Feb. 1997, pp. 20-27.
- Chien, S. and Schonfeld, P. “Optimization of Grid Transit Systems in Heterogeneous Urban Environments,” Journal of Transportation Engineering, ASCE, 123-1, Jan./Feb. 1997, pp. 28-35.
- Dai, D.M. and Schonfeld, P. “Metamodels for Estimating Delays through Series of Waterway Queues,” Transp. Res. Part B: Methodological, 32B-1, Jan. 1998, pp. 1-19.
- Wei, C.H. and Schonfeld, P. “A Research Framework for Cost-Effective Highway Maintenance Planning,” Public Works Management and Policy, 2-4, April 1998, pp. 340-349.
- Ting, C.J. and Schonfeld, P. “Optimization through Simulation of Waterway Transportation Investments,” Transp. Research Record 1620, 1998, pp. 11-16.
- Chien, S. and Schonfeld, P. “Joint Optimization of a Rail Transit Line and its Feeder Bus System,” J. of Advanced Transp., 32-3, Fall 1998, pp. 253-284.
- Ting, C.J. and Schonfeld, P. “Integrated Control for Series of Waterway Locks,” J. of Waterway, Port, Coastal and Ocean Engineering, ASCE, Vol. 124-4, July/Aug. 1998, pp. 199-206.
- Schonfeld, P. and Chien, S. “Optimal Work Zone Length for Two-Lane Highways,” J. of Transp. Engineering, ASCE, Vol. 125-1, Jan./Feb. 1999, pp. 21-29.
- Ting, C.J. and Schonfeld, P. “Effects of Speed Control on Tow Travel Costs,” J. of Waterway, Port, Coastal and Ocean Engineering, ASCE, 125-4. July/Aug. 1999, pp. 203-206.
- Jong, J.C. and Schonfeld, P. “Cost Functions for Optimizing Highway Alignments,” Transp. Research Record 1659, Aug. 1999, pp. 58-67.
- Zhu, L, Schonfeld, P., Kim, Y. M. Flood, I. and Ting C. J. “Waterway Network Analysis with Artificial Neural Networks,” Artificial Intelligence for Engineering Design, Analysis and Manufacturing, v13, 1999, pp. 365-375.
- Jong, J.C., Jha, M. and Schonfeld, P. “Preliminary Highway Design with Genetic Algorithms and Geographic Information Systems,” Computer - aided Civil and Infrastructure Engineering, 15-4, 2000, pp. 261-271.
- Jha, M. and Schonfeld, P. “Integrating Genetic Algorithms and GIS to Optimize Highway Alignments,” Transp. Research Record 1719, 2000, pp. 233-240.
- Jha, M. and Schonfeld, P. “GIS-based Analysis of Right-of-way Cost for Highway Optimization,” Transp. Research Record 1719, 2000, pp. 241-249.
- Jong, J.C. and Schonfeld, P. “A Genetic Algorithm for Selecting and Scheduling Interdependent Projects,” J. of Waterway, Port, Coastal and Ocean Engineering, ASCE, 127-1, Jan./Feb. 2001, pp. 45-52.
- Ting, C.J. and Schonfeld P. “Control Alternatives at a Waterway Lock,” J. of Waterway, Port, Coastal and Ocean Engineering, 127-2, March/April 2001, pp. 89-96.
- Ting, C.J. and Schonfeld, P. “Efficiency Versus Fairness in Priority Control: A Waterway Lock Case,” J. of Waterway, Port, Coastal and Ocean Engineering, ASCE, 127-2, March/April 2001, pp. 82-88.
- Chien, S. and Schonfeld, P. “Optimal Work Zone Lengths for Four - lane Highways,” J. of Transp. Engineering, ASCE, 127-2, March/April 2001, pp. 124-131.
- Jha, M., McCall, C. and Schonfeld, P. “Using GIS, Genetic Algorithms and Visualization in Highway Development,” Computer - aided Civil and Infrastructure Engineering, 16-6, 2001, pp. 399-414.
- Kim, E. and Schonfeld, P. “Estimating Highway Earthwork Cross Sections Using Vector and Parametric Representation,” Transp. Research Record 1772, 2001, pp. 48-54.
- Chien, S., Tang Y., and Schonfeld, P. “Optimizing Work Zones for Two - lane Highway Maintenance Projects,” J. of Transp. Engineering, ASCE, 128-2, March/April 2002, pp.145-155, (awarded Best Paper of 2002 in the ASCE Journal of Transportation Engineering).
- Jong, J.C. and Schonfeld, P. “An Evolutionary Model for Simultaneously Optimizing Three-dimensional Highway Alignments,” Transp. Research Part B: Methodological, 37B-2, Feb. 2003, pp. 107-128.
- Jha, M. and Schonfeld, P. “Tradeoffs between Initial and Maintenance Costs of Highways in Cross - slopes,” J. of Infrastructure Systems, ASCE, 9-1, March 2003, pp. 16-25.
- Jha, M. and Schonfeld, P. “A Highway Alignment Optimization Model Using Geographic Information Systems,” Transp. Research, Part A, 38A-6, July 2004. pp. 455-481.
- Kim, E., Jha, M. and Schonfeld, P. “Intersection Construction Cost Functions for Alignment Optimization,” J. of Transp. Engineering, ASCE, 130-2, March/April 2004, pp. 194-203.
- Chang, S.W. and Schonfeld, P. “Optimized Schedules for Airline Routes,” J. of Transp. Engineering, ASCE, 130-4, July 2004, pp.412-418.
- Rakas, J. and Schonfeld, P. “Deterministic Models for Degraded Airside Capacity and Delays,” J. of Transp. Engineering, ASCE, 130-5, September 2004, pp. 545-554.
- Kim, E., Jha, M., Lovell, D., and Schonfeld, P. “Intersections Modeling for Highway Alignment Optimization,” Computer Aided Civil and Infrastructure Engineering, v19, 2004, pp. 119-129.
- Chen, C.H. and Schonfeld, P. “Work Zone Optimization for Two-lane Highway Maintenance Projects,” Transp. Research Record 1877, 2004, pp. 95-105.
- Wang, S., and Schonfeld, P. “Scheduling Interdependent Waterway Projects through Simulation and Genetic Optimization, J. of Waterway, Port, Coastal and Ocean Engineering, ASCE 131-3, May/June 2005, pp. 89-97.
- Ting, C.J. and Schonfeld, P. “Schedule Coordination in a Multiple - hub Transit Network,” J. of Urban Planning and Development, ASCE, 131-2, June 2005. pp. 112-124.
- Kim, E., Jha, M. and Schonfeld, P. Closure to “Intersection Construction Cost Functions for Alignment Optimization,” J. of Transp. Engineering, ASCE, 131-9, Sept. 2005, p. 723.
- Chen, C.H. and Schonfeld, P. “Work Zone Lengths for a Four - lane Road with an Alternate Route,” J. of Transp. Engineering, ASCE, 131-10, Oct. 2005, pp. 780-789.
- Chen, C.H., Schonfeld, P. and Paracha, J. “Work Zone Optimization for Two - lane Highway Resurfacing Projects with an Alternate Route,” Transportation Research Record 1911, October 2005, pp. 51-66.
- Pathomsiri, S., Schonfeld, P., and Haghani, A. “Vehicle Miles Traveled in Multi - vehicle Households,” Transp. Research Record 1926, Dec. 2005, pp. 198-205.
- Tao, X., and Schonfeld, P. “Lagrangian Relaxation Heuristic for Selecting Interdependent Transportation Projects under Cost Uncertainty,” Transp. Research Record 1931, 2005, pp. 74-80.
- Wang, S., Tao, X., and Schonfeld, P. “Modeling Shippers’ Response to Scheduled Waterway Lock Closures,” Transp. Research Record 1963, Oct. 2006, pp. 33-43.
- Tao, X., and Schonfeld, P. “Selection and Scheduling of Interdependent Transportation Projects with Island Models,” Transp. Research Record 1981, Dec. 2006, pp. 133-41.
- Kim, E., Jha, M., Schonfeld, P. and Kim, H.S., “Highway Alignment Optimization Incorporating Bridges and Tunnels,” Journal of Transportation Engineering, ASCE, 133-2, Feb. 2007, pp. 71-81.
- Kang, M.W., Schonfeld, P. and Jong, J.C., “Highway Alignment Optimization through Feasible Gates,” J. of Advanced Transp., 41- 2, Spring 2007, pp. 115-144.
- Ting, C.J. and Schonfeld, P. “Dispatching Control at Transfer Stations in Multi-Hub Transit Networks,” J. of Advanced Transp., 41-3, Fall 2007, pp. 217-243.
- Luo, Y. and Schonfeld, P., “A Rejected-Reinsertion Algorithm for the Static Dial-A-Ride Problem”, Transp. Research - Part B: Methodological, 41B-7, Aug. 2007, pp. 736-755.
- Jha, M., Schonfeld, P. and Samanta, S., “Optimizing Rail Transit Routes with Genetic Algorithms and GIS,” J. of Urban Planning and Development, ASCE, 133-3, Sept. 2007, pp. 161-171.
- Wang, S., and Schonfeld, P. “Demand Elasticity and Benefit Measurement in a Waterway Simulation Model,” Transp. Res. Record 2033, Dec. 2007, pp. 53-61.
- Tien, S.L. and Schonfeld, P. “Passenger Market Equilibrium for Competing Airports in a Multiple Airport Region,” Transp. Res. Record 2007, Dec. 2007, pp. 13-21.
- Tao, X. and Schonfeld, P. “Island Models for a Stochastic Problem of Transportation Project Selection and Scheduling, Transp. Res. Record 2039, Dec. 2007, pp. 16-23.
- Wang, S. and Schonfeld, P., “Scheduling of Waterway Projects with Complex Interrelations,” Transp. Research Record 2062, Oct. 2008, pp. 59-65.
- Zhou, Y., Kim, H.S., Schonfeld, P. and Kim, E., “Subsidies and Welfare Maximization Tradeoffs in Bus Transit Systems,” Annals of Regional Science, 42-3, Nov. 2008, pp. 643-660.
- Kim, D. and Schonfeld, P. “Integrated Analysis of Toll Lanes and Bus Priority Lanes,” Transp. Res. Record 2076, Nov. 2008, pp. 70-80.
- Yang, N., Schonfeld, P. and Kang, M.W. “A Hybrid Methodology for Freeway Work Zone Optimization with Time Constraints,” Public Works Management and Policy, 13-3, Jan. 2009, pp. 253-264.
- Kang, M., Schonfeld, P. and Yang, N. “Prescreening and Repairing in Highway Alignment Optimization,” Computer-Aided Civil and Infrastructure Engineering, 24-2, Feb. 2009, pp. 109-119.
- Bilbrey, J. and Schonfeld, P. “The Development of an Online Simulation Model for Managing Inland Waterway Fleets,” International J. of Management, 26-1, Apr. 2009, pp. 115-126.
- Wang, S., Yang, N. and Schonfeld, P. “Simulation-based Network Maintenance Planning and Scheduling,” Transp. Res. Record 2100, July 2009, pp. 94-102.
- Chen, C.C. and Schonfeld, P. “Modeling and Performance Assessment of Intermodal Transfers at Cargo Terminals,” Transp. Res. Record 2162, Oct. 2010, pp. 53-62.
- Kang, M., Yang, N., Schonfeld, P. and Jha, M., “Bi-level Highway Route Optimization,” Transp. Res. Record 2197, Dec. 2010, pp 107-117.
- Luo, Y. and Schonfeld, P. “Online Rejected-Reinsertion Heuristics for the Dynamic Multi-Vehicle Dial-a-Ride Problem,” Transp. Res. Record 2218, Sep. 2011, pp. 59-67.
- Markovic, N. and Schonfeld, P. “Scheduling under Uncertainty for a Single-Hub Intermodal Freight System,” Transp. Res. Record 2238, Dec. 2011, pp.24-31.
- Chen, C.C. and Schonfeld, P. “Alleviating Schedule Disruptions at Intermodal Freight Transfer Terminals: Real-Time Dispatching Control,” Transp. Res. Record 2238, Dec. 2011, pp. 32-43.
- Kim, M. and Schonfeld, P. “Conventional, Flexible and Variable-type Bus Services,” J. of Transp. Engineering, ASCE, 138-3, March 2012, pp. 263-273.
- Kang, M., Jha, M. and Schonfeld, P. “Applicability of Highway Alignment Optimization Models,” Transp. Research Part C: Emerging Technologies, 21-1C, Apr. 2012, pp. 257-286.
- Wang, S. and Schonfeld, P. “Simulation-based Scheduling of Mutually Exclusive Projects with Precedence and Regional Budget Constraints,” Transp. Res. Record 2273, 2012, pp. 1-9.
- Lai, X. and Schonfeld, P. “Optimization of Rail Transit Alignments Considering Vehicle Dynamics,” Transp. Res. Record 2275, 2012, pp. 77-87.
- Kim, M., Schonfeld, P. and Kim, E. “Comparison of Vertical Alignments for Rail Transit,” J. of Transp. Engineering, 139-2, ASCE, Feb. 2013, pp. 230-238.
- Markovic, N. and Schonfeld, P. “Stochastic Scheduling for a Single-Terminal Transfer System with Poisson Arrivals,” Strojniski Vestnik (Slovenian J. of Mechanical Eng.), 59-9, Sept. 2013, pp. 564-572.
- Kim, M. and Schonfeld, P. “Integrating Bus Services with Mixed Fleets,” Transp. Research Part B: Methodological, 55B, Sept. 2013, pp. 227-244.
- Kim, M., Schonfeld, P. and Kim, E. “Simulation–based Rail Transit Optimization Model,” Transp. Res. Record 2374, Dec. 2013, pp. 143-153.
- Juster, R. and Schonfeld, P. “Personal Rapid Transit as Urban Transportation,” Transp. Res. Record 2350, Dec. 2013, pp. 128-135.
- Markovic, B., Milinkovic, S., Schonfeld, P. and Drobnjak, Z. “Planning Dial-a-Ride Services: Statistical and Metamodeling Approach,” Transp. Res. Record 2352, Dec. 2013, pp. 120-127.
- Yang, N., Kang, M., Schonfeld, P. and Jha, M. “Multi-objective Optimization of Highway Alignments Incorporating Preference Information,” Transportation Research Part C: Emerging Technologies, 40C-12, March 2014, pp. 36-48.
- Markovic, N., Drobnjak, Z. and Schonfeld, P. “Dispatching Trucks for Drayage Operations,” Transportation Research Part E: Logistics and Transp. Review, 70E-1, Oct. 2014, pp. 99-111.
- Kim, M. and Schonfeld, P. “Integration of Conventional and Flexible Bus Services with Timed Transfers,” Transp. Research Part B: Methodological, 68B-2, Oct. 2014, pp. 76-97.
- Feng, L., Miller-Hooks, E., Schonfeld, P. and Mohebbi, M. “Optimizing Ridesharing Services for Airport Access,” Transp. Res. Record 2467, Dec. 2014, pp. 157-176.
- Markovic, N., Ryzhov, I. and Schonfeld, P. “Evasive Flow Capture: Optimal Location of Weigh-in-Motion Systems, Tollbooths, and Security Checkpoints,” Networks, 65-1, Jan. 2015, pp. 22-42. (Winner of the Glover-Klingman Prize for the best paper published in Networks in 2015)
- Li, Z. and Schonfeld, P. “Hybrid Simulated Annealing and Genetic Algorithm for Optimizing Arterial Signal Timings under Oversaturated Traffic Conditions,” J. of Advanced Transp., 49-1, Jan. 2015, pp. 153-170.
- Yang, N., Wang, S. and Schonfeld, P. “Simulation-Based Optimization of Waterway Projects using a Parallel Genetic Algorithm,” International J. of Operations Research and Information Systems, 6-1, Jan.-March 2015, pp. 49-63.
- Markovic, N., Nair, R., Schonfeld, P., Miller-Hooks, E. and Mohebbi, M. “Optimizing Dial-a-Ride Services in Maryland: Benefits of Computerized Routing and Scheduling,” Transp. Res. Part C: Emerging Technologies, vol. 55, Jan. 2015, pp. 156-165.
- Markovic, N., Milinkovic, S., Tikhonov, K.S. and Schonfeld, P. “Analyzing Passenger Train Arrival Delays with Support Vector Regression,” Transp. Res. Part C: Emerging Technologies, vol. 56, July 2015, pp. 251-262.
- Vodopivec, N., Tobias, D., Miller-Hooks, E., Schonfeld, P. and Mohebbi, M. “Taxis as a Recourse Option for Ridesharing Services,” Transp. Res. Record 2536, Sept. 2015, pp 86-97.
- Xin, W., Li, Q., Yuan, J. and Schonfeld, P. “Metro Passengers’ Behaviors and their Relation to Metro Incident Involvement,” Accident Analysis & Prevention, v82, Sep. 2015, pp 90-100.
- Sun, Y. and Schonfeld, P. “Stochastic Capacity Expansion Models for Airport Facilities,” Transp. Res. Part B, v80, Oct. 2015, pp1-18.
- Kim, M. and Schonfeld, P. “Maximizing Net Benefits for Conventional and Flexible Bus Services,” Transp. Research Part A: Policy and Practice, v80, Oct. 2015, pp 116-133.
- Sun, Y. and Schonfeld, P. “Optimization Models for Public Transportation Operations under Subsidization and Regulation,” Transp. Res. Record 2530, Dec. 2015, pp 44-54.
- Kastrouni, E., Shayanfar, E., Schonfeld, P., Mahapatra, S. and Zhang, L. “Statewide Assessment of the Broader Economic Benefits from Transportation Investment: A Practical Approach Integrating Travel Demand Models and SHRP2 C11 Tools with Applications in Maryland,” Transp. Res. Record 2531, 2015, pp 17-25.
- Cheng, W. and Schonfeld, P. “A Method for Optimizing the Phased Development of Rail Transit Lines,” Urban Rail Transit, 1-4, Dec. 2015, pp 227-237.
- Sun, Y. and Schonfeld, P. “Schedule-based Route Choice Estimation for Rail Transit Passengers using Automatic Fare Collection Data,” J. of Transp. Engineering, ASCE, 142-1, Jan. 2016, 04015037. DOI: 10.1061/(ASCE)TE.1943-5436.0000812.
- Chen, C.C. and Schonfeld, P. “A Dispatching Decision Support System for Countering Delay Propagation in Intermodal Logistics Networks,” Transp. Planning and Technology, 39-3, March 2016, pp 254-268.
- Lai, X. and Schonfeld, P. “Concurrent Optimization of Rail Transit Alignment and Stations,” Urban Rail Transit, 2-1, March 2016, pp 1-15.
- Chen, L., Schonfeld, P. and Miller-Hooks, E. “Welfare Maximization for Bus Transit Systems with Timed Transfers and Financial Constraints,” J. of Advanced Transp. 50-4, June 2016, pp 421-433.
- Shayanfar, E., Abianeh, A.S., Schonfeld, P. and Zhang, L. “Prioritizing Interrelated Road Projects Using Metaheuristics,” J. of Infrastructure Systems, 22-2, ASCE, June 2016, 04016004. DOI: 10.1061/(ASCE)IS.1943-555X.0000293.
- Markovic, N., Kim, M. and Schonfeld, P. “Statistical and Machine Learning Approach for Planning Dial-A-Ride Services,” Transp. Res. Part A: Policy and Practice, v89, July 2016, pp 41-55.
- Wei, L., Pu, H., Schonfeld, P., Zhang, H. and Zheng, X. “Methodology for Optimizing Constrained 3-dimensional Railway Alignments in Mountainous Terrain,” Transp. Research Part C: Emerging Technologies, v68, July 2016, pp 549-565.
- Sun, Y. and Schonfeld, P. “Holding Decisions for Correlated Vehicle Arrivals at Intermodal Freight Transfer Terminals,” Transp. Research Part B: Methodological, v90, Aug. 2016, pp 218-240.
- Sun, Y., Shi, J. and Schonfeld, P. “Identifying Passenger Flow Characteristics and Evaluating Travel Time Reliability by Visualizing AFC Data: A Case Study of Shanghai Metro,” Public Transport, v8, Aug. 2016, pp 341-363.
- Sun, Y., Schonfeld, P., Lu, Y., and Zhou, M. “Redesigning Rail Transit Short Turn Operations for Congestion Mitigation: A Case Study of Line 2 of Shanghai Metro,” Transp. Res. Record 2540, 2016, pp 46-55.
- Sun, Y., Guo, Q., Schonfeld, P. and Li, Z. “Implications of the Cost of Public Funds in Public Transit Subsidization and Regulation,” Transportation Research Part A: Policy and Practice, v91, Sep. 2016, pp 236-250.
- Chen, C.C., Tsai, Y.H. and Schonfeld, P. “Schedule Coordination, Delay Propagation, and Disruptions Resilience in Intermodal Logistic Networks,” Transp. Res. Record 2548-2, 2016, pp 16-23.
- Sun, Y., Fan, W. and Schonfeld, P. “Static Parking Choice Model Considering Parking Duration,” Transp. Res. Record 2543, 2016, pp 134-142.
- Xin, W., Schonfeld, P., and Li, Q. “What Factors Determine Metro Passengers’ Risky Riding Behavior? An Approach Based on an Extended Theory of Planned Behavior,” Transp. Res. Part F: Traffic Psychology and Behaviour, Part 1 v42, Oct. 2016, pp 125-139.
- Sun, Y. and Schonfeld, P. “Capacity Investment Model for Airport Facilities under Demand Uncertainty,” J. of Advanced Transp., 50-8, Dec. 2016, pp 1896-1911.
- Sun, Y. Guo, Q., Schonfeld, P. and Li, Z. “Evolution of Public Transportation Modes in a Commuter Corridor,” Transp. Research Part C: Emerging Technologies, v75, Feb. 2017, pp 84-102.
- Markovic, N., Ryzhov, I. and Schonfeld, P. “Evasive Flow Capture: A Multi-period Stochastic Facility Location Problem with Independent Demand,” European Journal. of Operations Research, 257-2, March 2017, pp 687-703.
- Chen, C.C. and Schonfeld, P. “A Hybrid Heuristic Technique for Optimal Coordination in Intermodal Logistics Scheduling,” International J. of Shipping and Transport Logistics, 9-4, 2017, pp 475-499.
- Sun, Y. and Schonfeld, P. “Coordinated Airport Facility Development under Uncertainty,” Transp. Res. Record 2603, 2017, pp 78-88.
- Li, W., Pu, H., Schonfeld, P., Yang, J., Zhang, H., Wang, L. and Xiong, J. “Mountain Railway Alignment Optimization with Bidirectional Distance Transform and Genetic Algorithm”, Computer-Aided Civil and Infrastructure Engineering, v. 32, 2017, pp 691-709.
- Shi, J., Sun, Y., Schonfeld, P. and Qi, J. “Joint Optimization of Tram Timetables and Signal Timing Adjustments at Intersections, “Transp. Research Part C: Emerging Technologies, v83, Oct. 2017, pp 104-119.
- Guo, Q., Chow, J.Y.J. and Schonfeld, P. “Stochastic Dynamic Switching in Fixed and Flexible Transit Services as Market Entry-exit Real Options, ‘Transp. Research Part C: Emerging Technologies, v23, 2017, pp 380-399.
- Huang, H., Li, K. and Schonfeld, P. “Real-time Energy-saving Metro Train Rescheduling with Primary Delay Identification,” PLOS ONE, doi.org/10.1371/journal.pone.0192792, 13-2, 2018, 22 pages.
- Kim, M., Schonfeld, P. and Kim, E. “Switching Service Types for Multi-region Bus Systems,” Transp. Planning and Technology, 41-6 March 2018, pp 617-643.
- Shayanfar, E. and Schonfeld, P. “Selecting and Scheduling Interrelated Projects: Application in Urban Road Network Investment,” International J. of Logistics Systems and Management, 29-4, 2018, pp 436-454.
- Sun, Y., Schonfeld, P. and Guo, Q. “Optimal Extension of Rail Transit Lines,” International J. of Sustainable Transportation, 12-10, 2018, pp 753-769.
- Jovanovic, U., Shayanfar, E. and Schonfeld, P. “Selecting and Scheduling Link and Intersection Improvements in Urban Networks,” Transportation Research Record, v2672, Dec. 2018, pp 1-11.
- Guo, Q., Chen, S., Schonfeld, P. and Li, Z. “How Time-Inconsistent Preferences Affect Investment Timing for Rail Transit,” Transp. Research Part B: Methodological, v118, Dec. 2018, pp 172-192.
- Li, K., Huang, H. and Schonfeld, P. “Metro Timetabling for Time-varying Passenger Demand and Congestion at Stations,” J. of Advanced Transp, v2018 https://doi.org/10.1155/2018/3690603, July 2018, 26 pages.
- Li, W., Pu, H., Schonfeld, P., Song, Z., Zhang, H., Wang, L., Wang, J., Peng, X. and Peng, J. “A Method for Automatically Re-creating the Horizontal Alignment Geometry of Existing Railways,” Computer-Aided Civil and Infrastructure Engineering, v34, 2019, pp 71-94.
- Peng, Y., Li, Z. and Schonfeld P. “Development of Rail Transit Network over Multiple Time Periods,” Transp. Research Part A: Policy and Practice, v121, March 2019, pp. 235-250.
- Pu, H., Song, T., Schonfeld, P., Li, W. Zhang, H., Wang, J., Hu, J., Peng, X. and Wang, J. “Railway Alignment Optimization in Mountainous Regions through a Stepwise & Hybrid Particle Swarm Optimization Incorporating Genetic Operators,” Applied Soft Computing, 78, May 2019. Pp 41-57.
- Shayanfar, E. and Schonfeld, P. “Selecting and Scheduling Interrelated Road Projects with Uncertain Demand,” Transportmetrica Part A, 15-2, June 2019, pp 1712-1733.
- Shayanfar, E., Schonfeld, P. and Wang, J. J. “Prioritizing Highway Development Projects Based on Market Access in Appalachia,” Transportation Research Record 2673 no. 8, Aug. 2019, pp 333-342.
- Pu, H., Zhang, H., Schonfeld, P., Li, W., Wang, J., Peng, X., and Hu, J. “Maximum Design Gradient for Railways based on Convolutional Neural Network,” J. of Transportation Engineering, Part A: Systems” 145-11 ASCE, ISSN 2473-2907, online Sept. 2019.
- Pu, H., Song, T., Schonfeld, P., Li, W., Zhang, H., Wang, J., Hu, J., and Peng, X. “A Three-Dimensional Distance Transform for Optimizing Constrained Mountain Railway Alignments,” Computer-Aided Civil and Infrastructure Engineering, 34-11 Nov. 2019, pp 972-990.
- Kim, M., Levy, J. and Schonfeld, P. “Optimal Zone Sizes and Headways for Flexible-Route Bus Services,” Transp. Research Part B: Methodological, v130, Dec. 2019, pp 67-81.
- Shi, Z., Zhang, N., Schonfeld, P. and Zhang, J. “Short-term Metro Passenger Flow Forecasting Using Ensemble Learning with Chaos Support Vector Regression,” Transportmetrica A, 16-2, Feb 2020, pp 194-212.
- Liu, S. and Schonfeld. P. “Effects of Driverless Vehicles on the Competitiveness of Bus Transit Services,” J. of Transportation Engineering, Part A: Systems, 146-4, April 2020, 12 pages.
- Song, Z., Yang, F., Schonfeld, P., Li, J. and Pu, H. “Heuristic Strategies of Levenberg-Marquardt Algorithm for Fitting Transition Curves,” J. of Surveying Engineering, 146-2, Apr. 2020, 11 pages. DOI: 10.1061/(ASCE)SU.1943-5428.0000307.
- Song, T., Pu, H., Schonfeld, P., Li, W., Zhang, H., Ren, Y., Wang, J., Hu, J. and Peng, X. “A Parallel Three-dimensional Distance Transform for Railway Alignment Optimization using OpenMP,” J. of Transportation Engineering, Part A: Systems, 146-5, May 2020. 11 pages.
- Liu, J., Schonfeld, P., Peng, Q. and Yin, Y. “Measures of Travel Reliability on an Urban Rail Transit Network,” J. of Transportation Engineering, Part A: Systems, v146-6, June 2020, 14 pages. DOI: 10.1061/JTEPBS.0000327.
- Lai, X., X., Teng, J., Schonfeld, P. and Ling, L. “Resilient Schedule Coordination for a Bus Transit Corridor,” J. of Advanced Transportation, June 2020, 12 pages. doi.org/10.1155/2020/5398298
- Liu, J., Schonfeld, P., Li, A., Peng, Q. and Yin, Y. “Effects of Line Capacity Reductions on Urban Rail Transit System Service Performance,” J. of Transportation Engineering, Part A: Systems, 146-10, June 2020, 12 pages.
- Liu, J., Schonfeld, P., Yin, Y. and Peng, Q. “Effects of Link Capacity Reductions on the Reliability of an Urban Rail Transit Network," J. of Advanced Transp., vol. 2020, Oct. 2020, ID 9020674, https://doi.org/10.1155/2020/9020574, 15 pages.
- Zhang, H., Pu, H., Schonfeld, P., Song, T., Li, W., Wang, J., Peng, X. and Hu, J. “Multi-objective Railway Alignment Optimization Considering Costs and Environmental Impacts,” Applied Soft Computing, v89, 2020. DOI: 10.1016/j.asoc.2020.106105.
- Vander Laan, Z. and Schonfeld, P. “Modeling Heterogeneous Traffic with Cooperative Adaptive Cruise Control Vehicles: A First-order Macroscopic Perspective,” Transportation Planning and Technology, 43-2, 2020, pp 113-140.
- Xiao, M., Chien, S., Schonfeld, P. and Hu, D. “Optimizing Flight Sequencing and Gate Assignment Considering Terminal Configuration and Walking Time,” J. of Airport Management, 86, 101816, 2020.
- Song, T., Pu, H., Schonfeld, P., Zhang, H., Li, W., Hu, J. and Wang, J. “Mountain Railway Alignment Optimization Considering Geological Impacts: A Cost-Hazard Bi-objective Model,” Computer-Aided Civil and Infrastructure Engineering, 35-12, Dec. 2020, pp 1365-1386.
- Sun, Y., Gong, H., Schonfeld, P., Guo, Q. and Li, Z. “Regulating a Public Transit Monopoly under Asymmetric Cost Information,” Transp. Research Part B: Methodological, v139, Sept. 2020, pp 496-522.
- Choi, Y., Schonfeld, P., Lee, Y. and Shin, H. “Innovative Methods for Fresh Food Deliveries to Underserved Populations,” J. of Transportation Engineering, Part A: Systems, 147-1, 04020140, 2020, 14 pages.
- Song, Z., Yang, F., Schonfeld, P., Liu, H. and Li, J. “Integrating Segmentation and Parameter Estimation for Recreating Vertical Alignments,” Computer-Aided Civil and Infrastructure Engineering, Nov. 2020, https://doi.org/10.1111/mice.12634
- Pu, H., Xie, J., Schonfeld, P., Song, T., Li, W., Wang, J. and Hu, J. “Railway Alignment Optimization in Mountainous Regions Considering Spatial Geological Hazards: A Sustainable Safety Perspective,” Sustainability, 13-4, 1661, 2021. https://doi.org/10.3390/su13041661
- Pu, H., Zhu, L., Schonfeld, P., Li, W., Zhang, H., Song, T., Wang, J., Hu, J. and Peng, X. “Optimization of Grade-separated Road and Railway Crossings Based on Distance Transform Algorithm,” Engineering Optimization, Jan. 2021, pp 1-20.
- Song, T., Pu, H., Schonfeld, P., Zhang, H., Li, W., Hu, J., Wang, J. and Wang, J. “Bi-objective Mountain Railway Alignment Optimization Incorporating Seismic Risk Assessment,” Computer-Aided Civil and Infrastructure Engineering, 36-2, Feb. 2021, pp 143-163.
- Choi, Y. and Schonfeld, P. “A Comparison of Optimized Deliveries by Drones and Trucks,” accepted for Transp. Planning & Technology, Feb. 2021 pp. 1-18.
- Wang, Q., Schonfeld, P. and Deng, L. “Profit Maximization Model with Fare Structures and Subsidy Constraints for Urban Rail Transit, accepted for J. of Advanced Transp. Jan. 23, 2021.
- Gao, T., Li, Z., Gao, Y., Schonfeld, P., Feng, X., Wang, Q., and He, Q. “Mountain Railway Alignment Optimization: A Deep Reinforcement Learning Approach,” accepted for Computer-Aided Civil and Infrastructure Engineering, Feb. 18, 2021.
- Pu, H., Li, X., Schonfeld, P., Li, W., Zhang, H., Song, T., Wang, J., Hu, J. and Peng, X. “Concurrent Optimization of Mountain Railway Alignment and Station Locations with a Three-Dimensional Distance Transform Algorithm Incorporating a Perceptual Search Strategy,” IEEE Access, vol. 9, 2021, 19 pages. 10.1109/ACCESS.2021.3061587
- Bayrak, M., Guler, S. I. and Schonfeld, P. “Implementation Sequence Optimization for Dedicated Bus Lane Projects,” accepted for Transportation Research Record, March 18, 2021.
- Wu, F., Schonfeld, P. and Kim, M. “Optimized Restoration Sequence for Disrupted Freight Rail Network,” accepted for J. of Transportation Engineering, Part A: Systems, March 25, 2021.
- Zhang, H., Pu, H., Schonfeld, P., Song, T., Li, W., Wang, J., Peng, X., Hu, J. “Railway Alignment Optimization Considering Life-cycle Costs,” accepted for Intelligent Transportation Systems Magazine, March 28, 2021.
- Song, T., Pu, H., Schonfeld, P., Zhang, H., Li, W., Peng, X., Hu, J. and Liu, W. “GIS-based Multi-criteria Railway Design with Spatial Environmental Considerations,” accepted for Applied Geography, March 28, 2021.
- Song, Z., Fang, T., Schonfeld, P. and Li, J. “The Effect of Point Configurations on Parameter Estimation Analysis of Circles,” accepted for J. of Surveying Engineering, March 30, 2021.
- Guo, Q., Sun, Y., Schonfeld, P. and Li, Z. "Time-dependent Transit Fare Optimization with Elastic and Spatially Distributed Demand," accepted for Transportation Research Part A: Policy and Practice, April 7, 2021.
- Chen, C.Y. and Schonfeld, P. “Unit Load Device Reassignment Following Temporary Airport Closures,” accepted for the International J. of Shipping and Transport Logistics, April 25, 2021.
- Liu, J., Schonfeld, P., Chen, J., Ying, Y. and Peng, Q. “Perceived Trip Time Reliability and its Cost on a Rail Transit Network,” accepted for Sustainability, June 22, 2021.
- Chen, Y., Markovic, N., Ryzhov, I. and Schonfeld, P. "Data-driven Robust Resource Allocation with Monotonic Cost Functions," accepted for Operations Research, April 6, 2021; online Dec. 1, 2021. doi.org/10.1287/opre.2021.2145.
- Song, T., Pu, H., Schonfeld, P., Zhang, H., Li, W., Hu, J. “Simultaneous Optimization of Passenger Railway Alignments and Station Locations,” accepted for Computer-Aided Civil and Infrastructure Engineering, May 21, 2021; published June 22, 2021.
- Liu, J., Liu, Y., Schonfeld, P., Peng, Q. and Zhan, S. “Measuring and Enhancing the Connectivity Reliability of a Rail Transit Network,” accepted for Transportmetrica A: Transport Science, Aug. 2, 2021; published Aug. 19, 2021; 35 pages.
- Choi, Y. and Schonfeld, P. “Review of Length Approximations for Tours with Few Stops,” accepted for the Transportation Research Record, Sept. 8, 2021; published Oct. 28, 2021. doi.org/10.1177/03611981211049433
- Khadem, N., Shin, H., Lee, Y., Choi, Y. and Schonfeld, P. “Optimal Options for Fresh Food Deliveries in Baltimore Food Deserts,” accepted for the International Journal of Urban Planning and Smart Cities, Oct. 27, 2021.
- Wu, F. and Schonfeld, P. “Optimized Two-directional Phased Development of a Rail Transit Line,” accepted for Transp. Research Part B: Methodological, Dec. 4, 2021.
- Song, T., Pu, H., Schonfeld, P., Hu, J. and Liu, J. "A Robust Optimization Method for Mountain Railway Alignments Considering Preferencne Uncertainty for Costs and Seismic Risks," ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering 8-1 20220301 forthcoming Jan. 3, 2022.
- Liu, J., Schonfeld, P., Yin, Y., Peng, Q. and Zhan, S. "Reducing the Passenger-oriented Vulnerability of an Urban Rail Transit Network by Adding Turn-back Tracks," accepted for Transportmetrica B: Transport Dynamics, Jan. 3, 2022.