Salvador Hernandez

Transportation Safety

• Hernandez, S., Rahman, Md.M.(2024). Assessing the Impact of Cellular Coverage Areas on Distracted Driving, Crashes, and Injuries. International Conference on Transportation and Development 2024, pp. 178-191.
• Hernandez, S., Velasquez, B., (2024). Inadequate Safe Truck Parking: Impacts on Pandemic Response Supply Routing and Delivery. International Conference on Transportation and Development 2024, pp. 48-61.
• Kim, J., Hernandez, S., Al-Bdairi, N.S.S., 2024. Lane Numbers and Their Impact on Commercial Motor Vehicle Crash Safety: An Econometric Perspective. International Journal of Transportation Science and Technology (Accepted)
• Breuer, H., Hernandez, S., Hurwitz, D. 2022., Preliminary Investigation of Heavy Vehicle Parking Design in Oregon Rest Areas. International Conference on Transportation and Development 2022, pp. 72-84.
• Zubaidi, H., Hernandez, S., 2020. Understanding Roundabout Safety Through the Application of Advanced Econometric Techniques. International Journal of Transportation Science and Technology, 9(4), pp.309-321.
• Al-Bdairi,N., Behnood, A., Hernandez, S., 2020. Temporal stability of driver injury severities in animal-vehicle collisions: A random parameters with heterogeneity in means (and variances) approach.  Analytic Methods in Accident Research, 26, pp. 100-120.
• Al-Bdairi,N., Hernandez, S., 2020. Comparison of Contributing Factors for Injury Severity of Large Truck Drivers in Run-off-Road (ROR) Crashes on Rural and Urban Roadways: Accounting for Unobserved Heterogeneity. International Journal of Transportation Science and Technology, 9(2), pp. 116-127.
• Claveria, J., Hernandez, S., Anderson, J.C., Jessup, E.L., 2019. Understanding Truck Driver Behavior with Respect to Cell Phone Use and Vehicle Operation. Transportation Research Part F: Traffic Psychology and Behaviour, 65 (2019),pp. 389-401.
• Anderson, J., Hernandez, S., Jessup, E., North, E., 2018. Percieved Safe and Adequate Truck Parking: A Random Parameters Binary Logit Analysis of Truck Driver Opinions in the Pacific Northwes. International Journal of Transportation Science and Technology, 7(1), pp. 89-102.
• Al-Bdairi,N., Hernandez, S., Anderson, J.C., 2018. Contributing Factors to Run-off-Road Involving Large Trucks under Lighted and Dark Conditions. Journal Transportation of Engineering, Part A: Systems, 144(1).
• Anderson, J., Hernandez, S., 2017. Heavy Vehicle Crash Rate Analysis: A Comparison of Heterogeneity Methods Using Idaho Crash Data. Transportation Research Record: Journal of the Transportation Research Board, No. 2637, pp. 56–66.
• Wang, H., Chen, C., Anderson, J.C., Wang, Y., Vogt, R., Hernandez, S., 2017. How Bicycle Level of Traffic Stress Correlates with Reported Cyclist Accidents Injury Severities: A Geospatial and Mixed Logit Analysis. Accident Analysis and Prevention, 108, pp. 234–244
• Anderson, J., Hernandez, S., 2017. Roadway Classifications and the Accident Injury Severities of Heavy-Vehicle Drivers. Analytic Methods in Accident Research, 15, pp.17-28. 
• Al-Bdairi, N., Hernandez, S. 2017. An Empirical Analysis of Run-Off-Road Injury Severity Crashes involving Large Trucks. Accident Analysis and Prevention, 102, pp. 93-100. 
• Jafarnejad, A., Gambatese, J., Hernandez, S., 2017. Influence of Truck-Mounted Radar Speed Signs in Controlling Vehicle Speed for Mobil Maintance Operations: An Oregon Case Study. Transportation Research Record: Journal of the Transportation Research Board. No.2617, pp. 19-26.
• Poliak, M., Komackova, L., Semanova, S., Hernandez, S., Jaskiewicz, M., 2016. Defining the influence of the support of bus service on road safety.  Komunikacie. 18(2), pp. 83-87.
• Islam, M.B., Hernandez, S., 2015. Fatality Rates for Crashes Involving Heavy Vehicles on Highways: A Random Parameter Tobit Regression Approach. Journal of Transportation Safety & Security. (Accepted - DOI: 10.1080/19439962.2015.1027071)
• Pahukula, J., Hernandez, S., Unnikrishnan, A., 2014. A Time of Day Analysis of Crashes Involving Large Trucks in Urban Areas. Accident Analysis and Prevention, 75, pp. 155-163.
• Romo, A., Hernandez, S., Cheu, R., 2013. Identifying Pre-Crash Factors between Cars and Trucks on Interstate Highways: Mixed Logit Model Approach. Journal of Transportation Engineering, 140(3).
• Islam, M.B., Hernandez, S., 2013. Large Truck Involved Crashes: An Exploratory Injury Severity Analysis. Journal of Transportation Engineering, 139(6), pp. 596-604.
• Islam, M.B., Hernandez, S., 2013. Modeling Injury Outcomes of Crashes involving Heavy Vehicles on Texas Highways. Transportation Research Record: Journal of the Transportation Research Board, No.2388, pp. 28-36.

Transportation Planning

• Bencomo-Vidana, J.O., Balal, E., Anderson, J., Hernandez, S., 2017. Modeling Route Choice Criteria from Home to Major Streets: A Discrete Choice Approach. Internation Journal of Transportation Science and Technology, [InPress]. 
• Mrníková, M., Poliak, M., Šimurková, P., Hernandez, S., Reuter, N.,  2017. How Important is the Integration of Public Passenger Transport.  LOGI – Scientific Journal on Transport and Logistics, 8(2) pp. 59-68.
• POLIAK, Miloš, Štefánia SEMANOVÁ, Salvador HERNANDEZ and Eliška PASTUSZKOVÁ, 2015. Impact of road infrastructure pricing on transport planning. Komunikácie. 2015, 17(2), pp. 92-97.

Freight Behavior

• Hernandez, S., Peeta, S., Mannering, F., 2015. An Exploratory Analysis of the Propensity for Freight Carrier Collaboration. Transportmetrica A: Transport Science (Under Review).

Freight Transportation Network Modeling

• Wang, H., Unnikrishnan, A., Hernandez, S., and Cheu, R., 2014. Capacitated Centralized Carrier Collaboration Multihub Location Problem: Tabu Search Approach. Transportation Research Record: Journal of the Transportation Research Board. No.2466, pp. 22-30.
• Hernandez, S., Peeta, S., 2013. A Carrier Collaboration Problem for Less-Than-Truckload Carriers: Characteristics and Carrier Collaboration Model. Transportmetrica A: Transport Science (doi:10.1080/23249935.2013.766279).
• Wang, H., Hernandez, S., and Cheu, R. 2013. Centralized Carrier Collaboration Multihub Location Problem with Hub Processing Costs. Information Technology Journal, 12(18), pp. 4400 - 4403.
• Hernandez, S., Unnikrishnan, A., and Awale, S., 2012. Centralized Carrier Collaboration Multi-hub Location Problem Multihub Location Problem for Less-than-Truckload Industry. Transportation Research Record: Journal of the Transportation Research Board, No. 2269, pp. 20-28.
• Hernandez, S., Peeta, S., Kalafatas, G., 2011. A Less-Than-Truckload Carrier Collaboration Planning Problem under Dynamic Capacities. Transportation Research Part E: Logistics and Transportation Review, 47(6), pp. 933-946.
• Hernandez, S., Peeta, S., 2011. Centralized Time-Dependent Multiple-Carrier Collaboration Problem for Less-than-Truck Load Industry. Transportation Research Record: Journal of the Transportation Research Board, No. 2263, pp. 26-34.

Algorithms

• Aguirre, A., Espiritu, J.F., Hernandez, S., 2013. Designing Optimal Aviation Baggage Screening Strategies Using Evolutionary Algorithms. International Journal of Applied Evolutionary Computation, 4(1), pp. 1-16.

Big Data

• Calvo-Amodio, J., Ng., E.H., Vergara, H.A., Patterson, P., Hernandez, S., 2014. A Proposed Integrated Framework for Indentifying Special Signal Patterns from Pseudo-Real Time Data: Application to Geocoded Social Media Data. Eds. S Long, E-H. Ng, and C. Downing., Proceedings of the American Society of Engineering Management, International Conference (Forthcoming)

Econometric Modeling

• Osman, K.K., Claveria, J., Faust., K.M., Hernandez, S., 2019. Temporal Dynamics of Willingness to Pay for Alternatives that Increase the Reliability of Water and Wastewater Service. Journal of Construction Engineering and Management, 145(7),pp.
• Azeez, M., Gambatese, J., Hernandez, S., 2019 What do construction workers really want? A study in occupational rewards’ representation, importance, and perception. Journal of Construction Engineering and Management, 145(7), pp.
• Faust, k., Hernandez, S., Anderson, J., 2018. Willingness to Pay for Perceived Increased Costs of Water and Wastewater Service in Shrinking US Cities: A Latent Class Approach. Journal of Water Resources Planning and Management, 144(7), pp.
• Cornejo, L., Perez, S., Cheu, R.L., Hernandez, S., 2014. An Approach to Comprehensively Evaluate Potential Park and Ride Facilities. International Journal of Transportation Science and Technology, 3(1), pp. 1-18

Under Revision

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• more coming soon!

Under Review

• Rahman. M., Hernandez, S., & Albatayneh, R. (1st Submitted 02/17/2025) Assessing the Impact of COVID-19 on Driver Injury Severities in Fixed-Object Passenger Car Crashes: Insights from Temporal and Partially Constrained Modeling Analysis. Analytic Methods in Accident Research. 
• Scott-Deeter, L.*, Jashami, H., Hurwitz, D., & Hernandez, S. (1st submitted 10/28/2024). Heavy Truck Gap Acceptance and Critical Gap Length Evaluated at Congested Roundabouts. Transportation Research Part F: Traffic Psychology and Behaviour.
• Scott-Deeter, L.*, Jashami, H., Hurwitz, D., Umphress, J., & Hernandez, S. (1st submitted 11/17/2024). Heavy Truck Gap Acceptance and Critical Gap Length Evaluated at Congested Roundabouts. Journal of Transportation Engineering, Part A: Systems, ASCE. 
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• More coming soon!

Published Proceedings

• Paz, A, Molano, V, Hernandez, S., 2014. A Bi-level Approach for the Calibration of Microscopic Traffic Flow Models. 1st International Conference on Engineering and Applied Sciences Optimization, Kos, Greece.
• Islam, M.B., Hernandez., S., 2012. Multi-Vehicle Collisions Involving Large Trucks on Highways: An Exploratory Discrete Outcome Analysis. 53rd Annual Transportation Research Forum, Tampa, Florida.
• Islam, M.B., Hernandez, S., 2012. Analysis of Single and Multiple Large Truck Involved Crash Severity: A Random Parameters Ordered Probit Approach. CD-ROM. Transportation Research Board of the National Academies, Washington, D.C.
• Islam, M.B., Hernandez, S., 2011. An Empirical Analysis of Fatality Rates for Large Truck Involved Crashes on Interstate Highways. 3rd International Conference on Road Safety and Simulation, Indianapolis, Indiana.
• Hernandez, S., Peeta, S., Mannering, F., 2011. An Exploratory Analysis of the Propensity for Freight Carrier Collaboration. CD-ROM. Transportation Research Board of the National Academies, Washington, D.C.
• Hernandez, S., Peeta, S., 2010. Less-Than-Truckload Static Single Carrier Collaboration Problem. CDROM. Transportation Research Board of the National Academies, Washington, D.C.
• Hernandez, S., Peeta, S., 2009 A Dynamic Single Freight Carrier Collaboration Problem with Holding Costs. Forth International Workshop on Freight Transportation and Logistics, ODYSSEUS Compendium Extended Abstracts (CD-ROM), Çeşme, Izmir, Turkey.
• Hernandez, S., Peeta, S., 2006 One Freight Carrier Collaboration Problem. Third International Workshop on Freight Transportation and Logistics, ODYSSEUS Compendium Extended Abstracts (CDROM), Altea, Spain.
• Hernandez, S., Saito, M., Yedlin M., Neyssen, J., Sherman, S.E., 2003 Evaluating the Benefits of Coordinated Ramp Metering. Proceedings of the Eighth International AATT Conference, Beijing, China.

Reports

• Jessup, E., Hernandez,S. Anderson, J,Galinato, S., (2020). Idaho Statewide Freight Data and Commodity Supply-Chain Analysis. ITD, RP 272 
• Hernandez, S., Anderson, J., 2017. Truck Parking : An Emerging Safety Hazard for Highway Users, Oregon Department of Transportation (ODOT), Report No. SPR783 (Report)
• Hernandez, S., Anderson J., 2016. Potential for Freight Mode Shifting in Oregon, Oregon Department of Transportation (ODOT), Report No. FHWA-OR-RD-16-17. (Report)
• Hernandez, S., Cheu, K., Romo, A., Perez, S., Miramontes, J.L., Hernandez, J.L., Hernandez, L.A., Borrego, M., Torres, E.J., 2013. Warehouse Location and Freight Attraction in the Greater El Paso Region, CTIS Research Report, EL Paso Metropolitan Planning Organization ELMPO.
• Cheu, K., Hernandez, S., Cornejo, L., Perez, S., 2012. Systematic Methodology for the Evaluation of Park and Ride Facilities, CTIS Research Report, EL Paso Metropolitan Planning Organization ELMPO.
• Middleton, D., Rajbhandari, R., Kraus, E., Hernandez, S., Cheu., K., Iragavarapua, V., Turner., S., 2011. TxDOT Uses of Real-Time Commercial Traffic Data: Opportunity Matrix, Texas Department of Transportation (TxDOT), Report No. 0-6659.
• Peeta, S., Hernandez, S., 2011. Modeling of Collaborative Less-than-Truckload Carrier Freight Networks, NEXTRANS Project No. 042PY02.
• Saito, M., Wright, M., Hernandez, S., Neyssen, J., Sherman, S.E., 2003. Evaluation of the Effectiveness of Coordinated Ramp Meter Controls, Utah Department of Transportation (UDOT), Report No-02.19.
• ITD-Presentation