Nagui Rouphail Lee, T., & Rouphail, N. (2023, July 31). Enhanced Crash Frequency Models Using Surrogate Safety Measures from Connected Vehicle Fleet. TRANSPORTATION RESEARCH RECORD. https://doi.org/10.1177/03611981231189733 Ahmed, I., Karr, A., Rouphail, N. M., & Chase, R. T. (2023, April 19). Modeling Framework for Predicting Lane Change Intensity at Freeway Weaving Segments. TRANSPORTATION RESEARCH RECORD, Vol. 4. https://doi.org/10.1177/03611981231165206 Das, T., Ahmed, I., Williams, B. M., & Rouphail, N. M. (2023, December 29). Response time of mixed platoons with traditional and autonomous vehicles in field trials: impact assessment on flow stability and safety. TRANSPORTMETRICA A-TRANSPORT SCIENCE, Vol. 12. https://doi.org/10.1080/23249935.2023.2298498 Das, T., Samandar, M. S., Autry, M. K., & Rouphail, N. M. (2023). Surrogate Safety Measures: Review and Assessment in Real-World Mixed Traditional and Autonomous Vehicle Platoons. IEEE ACCESS, 11, 32682–32696. https://doi.org/10.1109/ACCESS.2023.3248628 Chun, G., Rouphail, N., Samandar, M. S., List, G., Yang, G., & Akcelik, R. (2022, August 21). Analytical and Microsimulation Model Calibration and Validation: Application to Roundabouts under Sight-Restricted Conditions. TRANSPORTATION RESEARCH RECORD, Vol. 8. https://doi.org/10.1177/03611981221115071 Samandar, M. S., Chun, G., Yang, G., Chase, T., Rouphail, N. M., & List, G. F. (2022, June 24). Capitalizing on Drone Videos to Calibrate Simulation Models for Signalized Intersections and Roundabouts. TRANSPORTATION RESEARCH RECORD, Vol. 6. https://doi.org/10.1177/03611981221096120 Ahmed, I., Karr, A. F., Rouphail, N. M., Chase, R. T., & Tanvir, S. (2022, April 24). Characterizing lane changing behavior and identifying extreme lane changing traits. TRANSPORTATION LETTERS-THE INTERNATIONAL JOURNAL OF TRANSPORTATION RESEARCH, Vol. 4. https://doi.org/10.1080/19427867.2022.2066856 Das, T., Samandar, M. S., & Rouphail, N. (2022). Longitudinal traffic conflict analysis of autonomous and traditional vehicle platoons in field tests via surrogate safety measures. ACCIDENT ANALYSIS AND PREVENTION, 177. https://doi.org/10.1016/j.aap.2022.106822 Lee, T., Cunningham, C., & Rouphail, N. (2022, June 21). Movement-based intersection crash frequency modeling. JOURNAL OF TRANSPORTATION SAFETY & SECURITY. https://doi.org/10.1080/19439962.2022.2092571 Amini, E., Xu, D., Rouphail, N. M., Elefteriadou, L., & Aghdashi, B. (2021). Capacity Analysis Framework for Freeway Ramp Weaves. JOURNAL OF TRANSPORTATION ENGINEERING PART A-SYSTEMS, 147(12). https://doi.org/10.1061/JTEPBS.0000594 Avr, A., Tanvir, S., Rouphail, N. M., & Ahmed, I. (2021, May 6). Dynamically Collected Local Density using Low-Cost Lidar and its Application to Traffic Models. TRANSPORTATION RESEARCH RECORD, Vol. 5. https://doi.org/10.1177/03611981211010184 Addison, J., Aghdashi, S., & Rouphail, N. M. (2021). Evaluating the Effect of Incidents on Freeway Facilities and Updating the Incident Capacity Adjustments for HCM. TRANSPORTATION RESEARCH RECORD, 2675(1), 224–234. https://doi.org/10.1177/0361198120949530 Hasnat, M. M., Bardaka, E., Samandar, M. S., Rouphail, N., List, G., & Williams, B. (2021). Impacts of Private Autonomous and Connected Vehicles on Transportation Network Demand in the Triangle Region, North Carolina. JOURNAL OF URBAN PLANNING AND DEVELOPMENT, 147(1). https://doi.org/10.1061/(ASCE)UP.1943-5444.0000649 Ahmed, I., Warchol, S., Cunningham, C., & Rouphail, N. (2021). Mobility Assessment of Pedestrian and Bicycle Treatments at Complex Continuous Flow Intersections. JOURNAL OF TRANSPORTATION ENGINEERING PART A-SYSTEMS, 147(5). https://doi.org/10.1061/JTEPBS.0000512 Fernandes, P., Coelho, M. G., & Rouphail, N. M. (2020, October). Assessing the impact of closely-spaced intersections on traffic operations and pollutant emissions on a corridor level (vol 54, pg 304, 2017). TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, Vol. 87. https://doi.org/10.1016/j.trd.2020.102557 Song, T.-J., Kim, S., Williams, B. M., Rouphail, N. M., & List, G. F. (2020). Crash Classification by Congestion Type for Highways. APPLIED SCIENCES-BASEL, 10(7). https://doi.org/10.3390/app10072583 Xu, D., Rouphail, N. M., Aghdashi, B., Ahmed, I., & Elefteriadou, L. (2020). Modeling Framework for Capacity Analysis of Freeway Segments: Application to Ramp Weaves. TRANSPORTATION RESEARCH RECORD, 2674(1), 148–159. https://doi.org/10.1177/0361198119900157 Teixeira, J., Macedo, E., Fernandes, P., Bandeira, J. M., Rouphail, N., & Coelho, M. C. (2019). Assessing traffic-related environmental impacts based on different traffic monitoring applications. 21ST EURO WORKING GROUP ON TRANSPORTATION MEETING (EWGT 2018), Vol. 37, pp. 107–114. https://doi.org/10.1016/j.trpro.2018.12.172 Ahmed, I., Karr, A., Rouphail, N. M., Chun, G., & Tanvir, S. (2019). Characterizing Lane Changes via Digitized Infrastructure and Low-Cost GPS. TRANSPORTATION RESEARCH RECORD, 2673(8), 298–309. https://doi.org/10.1177/0361198119841277 Ahmed, I., Xu, D., Rouphail, N., & Karr, A. (2019). Lane Change Rates at Freeway Weaving Sites: Trends in HCM6 and from NGSIM Trajectories. TRANSPORTATION RESEARCH RECORD, 2673(5), 627–636. https://doi.org/10.1177/0361198119841281 Warchol, S., Rouphail, N. M., Vaughan, C., & Kearns, B. (2019). Queue-Based Guidance for Signalization Consideration at Two and Three-Legged Intersections. TRANSPORTATION RESEARCH RECORD, 2673(10), 416–426. https://doi.org/10.1177/0361198119847468 Ahmed, I., Rouphail, N. M., & Tanvir, S. (2018). Characteristics and Temporal Stability of Recurring Bottlenecks. TRANSPORTATION RESEARCH RECORD, 2672(42), 235–246. https://doi.org/10.1177/0361198118798991 Song, T.-J., Williams, B. M., & Rouphail, N. M. (2018). Data-driven approach for identifying spatiotemporally recurrent bottlenecks. IET INTELLIGENT TRANSPORT SYSTEMS, 12(8), 756–764. https://doi.org/10.1049/iet-its.2017.0284 Tanvir, S., Frey, H. C., & Rouphail, N. M. (2018). Effect of Light Duty Vehicle Performance on a Driving Style Metric. TRANSPORTATION RESEARCH RECORD, 2672(25), 67–78. https://doi.org/10.1177/0361198118796070 List, G. F., Rouphail, N., Smith, R., & Williams, B. (2018). Reliability Assessment Tool: Development and Prototype Testing. TRANSPORTATION RESEARCH RECORD, 2672(14), 29–38. https://doi.org/10.1177/0361198118798296 Yeom, C., Rasdorf, W., Rouphail, N., & Schroeder, B. (2018). Simulation of Work Zones with Lane Closures in Proximity of Freeway Interchanges. IEEE INTELLIGENT TRANSPORTATION SYSTEMS MAGAZINE, 10(3), 184–195. https://doi.org/10.1109/MITS.2018.2842027 Karmakar, N., Aghdashi, S., Rouphail, N. M., & Williams, B. M. (2018). Validation and Calibration of Freeway Reliability Methodology in the Highway Capacity Manual: Method and Case Studies. TRANSPORTATION RESEARCH RECORD, 2672(15), 93–104. https://doi.org/10.1177/0361198118798723 Rouphail, N. M., Kim, S., & Aghdashi, S. (2017). Application of high-resolution vehicle data for free-flow speed estimation. Transportation Research Record, (2615), 105–112. Fernandes, P., Coelho, M. C., & Rouphail, N. M. (2017). Assessing the impact of closely-spaced intersections on traffic operations and pollutant emissions on a corridor level. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 54, 304–320. https://doi.org/10.1016/j.trd.2017.05.016 Yeom, C., Hajbabaie, A., Rouphail, N. M., Rasdorf, W., & Schroeder, B. J. (2017). Freeway work zone free-flow speed model development. ITE Journal, 87(11), 38–44. Yeom, C., Schroeder, B. J., Cunningham, C., Salamati, K., & Rouphail, N. M. (2017). Lane utilization model development for diverging diamond interchanges. Transportation Research Record, (2618), 27–37. Li, M., Rouphail, N. M., Mahmoudi, M., Liu, J., & Zhou, X. (2017). Multi-scenario optimization approach for assessing the impacts of advanced traffic information under realistic stochastic capacity distributions. TRANSPORTATION RESEARCH PART C-EMERGING TECHNOLOGIES, 77, 113–133. https://doi.org/10.1016/j.trc.2017.01.019 Li, M., Zhou, X., & Rouphail, N. M. (2017). Quantifying travel time variability at a single bottleneck based on stochastic capacity and demand distributions. JOURNAL OF INTELLIGENT TRANSPORTATION SYSTEMS, 21(2), 79–93. https://doi.org/10.1080/15472450.2016.1163639 Fernandes, P., Salamati, K., Rouphail, N. M., & Coelho, M. C. (2017). The effect of a roundabout corridor's design on selecting the optimal crosswalk location: A multi-objective impact analysis. INTERNATIONAL JOURNAL OF SUSTAINABLE TRANSPORTATION, 11(3), 206–220. https://doi.org/10.1080/15568318.2016.1237689 Fernandes, P., Rouphail, N. M., & Coelho, M. C. (2017). Turboroundabouts along corridors analysis of operational and environmental impacts. Transportation Research Record, (2627), 46–56. Kim, S., Hajbabaie, A., Williams, B. M., & Rouphail, N. M. (2016). Dynamic Bandwidth Analysis for Coordinated Arterial Streets. JOURNAL OF INTELLIGENT TRANSPORTATION SYSTEMS, 20(3), 294–310. https://doi.org/10.1080/15472450.2015.1074575 Lu, C.-C., Liu, J., Qu, Y., Peeta, S., Rouphail, N. M., & Zhou, X. (2016). Eco-system optimal time-dependent flow assignment in a congested network. TRANSPORTATION RESEARCH PART B-METHODOLOGICAL, 94, 217–239. https://doi.org/10.1016/j.trb.2016.09.015 Hajbabaie, A., Aghdashi, S., & Rouphail, N. M. (2016). Enhanced Decision-Making Framework Using Reliability Concepts for Freeway Facilities. Journal of Transportation Engineering, 142(4), 04016008. https://doi.org/10.1061/(ASCE)TE.1943-5436.0000797 Kim, S. K., Song, T.-J., Rouphail, N. M., Aghdashi, S., Amaro, A., & Goncalves, G. (2016). Exploring the association of rear-end crash propensity and micro-scale driver behavior. SAFETY SCIENCE, 89, 45–54. https://doi.org/10.1016/j.ssci.2016.05.016 Torrao, G., Fontes, T., Coelho, M., & Rouphail, N. (2016). Integrated indicator to evaluate vehicle performance across: Safety, fuel efficiency and green domains. ACCIDENT ANALYSIS AND PREVENTION, 92, 153–167. https://doi.org/10.1016/j.aap.2016.03.008 Vaughan, C., Jagadish, C., Bharadwaj, S., Cunningham, C. M., Schroeder, B. J., Hummer, J. E., … Rouphail, N. M. (2016). Long-term monitoring of wrong-way maneuvers at diverging diamond interchanges. Transportation Research Record, (2484), 129–139. Tanvir, S., Karmakar, N., Rouphail, N. M., & Schroeder, B. J. (2016). Modeling freeway work zones with mesoscopic dynamic traffic simulator validation, gaps, and guidance. Transportation Research Record, (2567), 122–130. Yeom, C., Rouphail, N. M., Rasdorf, W., & Schroeder, B. J. (2016). Simulation guidance for calibration of freeway lane closure capacity. Transportation Research Record, (2553), 82–89. Fernandes, P., Bandeira, J. M., Fontes, T., Pereira, S. R., Schroeder, B. J., Rouphail, N. M., & Coelho, M. C. (2016). Traffic restriction policies in an urban avenue: A methodological overview for a trade-off analysis of traffic and emission impacts using microsimulation. INTERNATIONAL JOURNAL OF SUSTAINABLE TRANSPORTATION, 10(3), 201–215. https://doi.org/10.1080/15568318.2014.885622 Fernandes, P., Fontes, T., Neves, M., Pereira, S. R., Bandeira, J. M., Rouphail, N. M., & Coelho, M. C. (2015). Assessment of corridors with different types of intersections environmental and traffic performance analysis. Transportation Research Record, (2503), 39–50. Aghdashi, S., Hajbabaie, A., Schroeder, B. J., Trask, J. L., & Rouphail, N. M. (2015). Generating scenarios of freeway reliability analysis hybrid approach. Transportation Research Record, (2483), 148–159. Aghdashi, S., Rouphail, N. M., Hajbabaie, A., & Schroeder, B. J. (2015). Generic speed-flow models for basic freeway segments on general-purpose and managed lanes in undersaturated flow conditions. Transportation Research Record, (2483), 102–110. Fernandes, P., Salamati, K., Rouphail, N. M., & Coelho, M. C. (2015). Identification of emission hotspots in roundabouts corridors. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 37, 48–64. https://doi.org/10.1016/j.trd.2015.04.026 Yeom, C., Hajbabaie, A., Schroeder, B. J., Vaughan, C., Xuan, X. Y., & Rouphail, N. M. (2015). Innovative work zone capacity models from nationwide field and archival sources. Transportation Research Record, (2485), 51–60. Zhou, X., Tanvir, S., Lei, H., Taylor, J., Liu, B., Rouphail, N. M., & Frey, H. C. (2015). Integrating a simplified emission estimation model and mesoscopic dynamic traffic simulator to efficiently evaluate emission impacts of traffic management strategies. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 37, 123–136. https://doi.org/10.1016/j.trd.2015.04.013 Vaughan, C., Jagadish, C., Bharadwaj, S., Cunningham, C. M., Schroeder, B. J., Hummer, J. E., … Rouphail, N. M. (2015). Long-term monitoring of wrong-way maneuvers at diverging diamond interchanges. Transportation Research Record, (2484), 129–139. Taylor, J., Zhou, X., Rouphail, N. M., & Porter, R. J. (2015). Method for investigating intradriver heterogeneity using vehicle trajectory data: A Dynamic Time Warping approach. TRANSPORTATION RESEARCH PART B-METHODOLOGICAL, 73, 59–80. https://doi.org/10.1016/j.trb.2014.12.009 Fernandes, P., Fontes, T., Pereira, S. R., Rouphail, N. M., & Coelho, M. C. (2015). Multicriteria assessment of crosswalk location in urban roundabout corridors. Transportation Research Record, (2517), 37–47. List, G. F., Yang, B., & Rouphail, N. M. (2015). On the Treatment of Trucks for Analysis of Freeway Capacity. TRANSPORTATION RESEARCH RECORD, (2483), 120–129. https://doi.org/10.3141/2483-14 Hajbabaie, A., Rouphail, N. M., Schroeder, B. J., & Dowling, R. (2015). Planning-level methodology for freeway facilities. Transportation Research Record, (2483), 47–56. Mamidipalli, S. V., Sisiopiku, V. P., Schroeder, B. J., Elefteriadou, L., Salamati, K., & Rouphail, N. M. (2015). Probit-based pedestrian gap acceptance model for midblock crossing locations. Transportation Research Record, (2519), 128–136. Salamati, K., Rouphail, N. M., Frey, H. C., Liu, B., & Schroeder, B. J. (2015). Simplified method for comparing emissions in roundabouts and at signalized intersections. Transportation Research Record, (2517), 48–60. Anya, A. R., Rouphail, N. M., Frey, H. C., & Schroeder, B. (2014). Application of AIMSUN microsimulation model to estimate emissions on signalized arterial corridors. Transportation Research Record, (2428), 75–86. Bandeira, J. M., Carvalho, D. O., Khattak, A. J., Rouphail, N. M., Fontes, T., Fernandes, P., … Coelho, M. C. (2014). Empirical assessment of route choice impact on emissions over different road types, traffic demands, and driving scenarios. International Journal of Sustainable Transportation, 10(3), 271–283. https://doi.org/10.1080/15568318.2014.901447 Yeom, C., Schroeder, B. J., Cunningham, C., Vaughan, C., Rouphail, N. M., & Hummer, J. E. (2014). Lane utilization at two-lane arterial approaches to double crossover diamond interchanges. Transportation Research Record, (2461), 103–112. Tarrao, G. A., Coelho, M. C., & Rouphail, N. M. (2014). Modeling the impact of subject and opponent vehicles on crash severity in two-vehicle collisions. Transportation Research Record, (2432), 53–64. Schroeder, B. J., Rouphail, N. M., & Aghdashi, S. (2013). Deterministic framework and methodology for evaluating travel time reliability on freeway facilities. Transportation Research Record, (2396), 61–70. Xu, Y. L., Williams, B. M., Rouphail, N. M., & Chase, R. T. (2013). Development of an oversaturated speed-flow model based on the highway capacity manual. Transportation Research Record, (2395), 41–48. Salamati, K., Coelho, M. C., Fernandes, P. J., Rouphail, N. M., Frey, H. C., & Bandeira, J. (2013). Emissions estimation at multilane roundabouts effects of movement and approach lane. Transportation Research Record, (2389), 12–21. Sajjadi, S., Schroeder, B., & Rouphail, N. M. (2013). Enhancements to the freeway facilities method in the highway capacity manual to enable reliability analysis. Transportation Research Record, (2395), 21–30. Aghdashi, S., Rouphail, N. M., & Hajbabaie, A. (2013). Estimation of incident propensity for reliability analysis in the highway capacity manual. Transportation Research Record, (2395), 123–131. Salamati, K., Schroeder, B. J., Geruschat, D. R., & Rouphail, N. M. (2013). Event-based modeling of driver yielding behavior to pedestrians at two-lane roundabout approaches. Transportation Research Record, (2389), 1–11. Bugg, Z., Rouphail, N. M., & Schroeder, B. (2013). Lane Choice Model for Signalized Intersections with an Auxiliary Through Lane. JOURNAL OF TRANSPORTATION ENGINEERING, 139(4), 371–378. https://doi.org/10.1061/(asce)te.1943-5436.0000513 Huntsinger, L. F., & Rouphail, N. M. (2013). Temporal stability of generation choice models. Transportation Research Record, (2344), 79–87. Huntsinger, L. F., Rouphail, N. M., & Bloomfield, P. (2013). Trip Generation Models Using Cumulative Logistic Regression. JOURNAL OF URBAN PLANNING AND DEVELOPMENT, 139(3), 176–184. https://doi.org/10.1061/(asce)up.1943-5444.0000151 Liu, X. C., Wang, Y. H., Schroeder, B. J., & Rouphail, N. M. (2012). An analytical framework for managed lane facility performance evaluation. ITE Journal, 82(10), 30–36. Chase, R. T., Williams, B. M., Rouphail, N. M., & Kim, S. K. (2012). Comparative Evaluation of Reported Speeds from Corresponding Fixed-Point and Probe-Based Detection Systems. TRANSPORTATION RESEARCH RECORD, (2308), 110–119. https://doi.org/10.3141/2308-12 Schroeder, B., Rouphail, N. M., Salamati, K., & Bugg, Z. (2012). Effect of pedestrian impedance on vehicular capacity at multilane roundabouts with consideration of crossing treatments. Transportation Research Record, (2312), 14–24. Bandeira, J., Almeida, T. G., Khattak, A. J., Rouphail, N. M., & Coelho, M. C. (2012). Generating Emissions Information for Route Selection: Experimental Monitoring and Routes Characterization. Journal of Intelligent Transportation Systems, 17(1), 3–17. https://doi.org/10.1080/15472450.2012.706197 Bugg, Z., Rouphail, N. M., & Schroeder, B. (2012). Guidance for simulation-based modeling of auxiliary through lanes. Transportation Research Record, (2311), 51–58. Liu, X. C., Wang, Y. H., Schroeder, B. J., & Rouphail, N. M. (2012). Quantifying cross-weave impact on capacity reduction for freeway facilities with managed lanes. Transportation Research Record, (2278), 171–179. Salamati, K., Schroeder, B., Rouphail, N. M., Cunningham, C., Zhang, Y., & Kaber, D. (2012). Simulator study of driver responses to pedestrian treatments at multilane roundabouts. Transportation Research Record, (2312), 67–75. Liu, C. H., Williams, B. M., & Rouphail, N. M. (2012). Temporal stability of freeway macroscopic traffic stream models. Transportation Research Record, (2315), 131–140. Jia, A., Zhou, X. S., & Rouphail, N. M. (2012). Traffic mobility impact of mileage-based user fees on traveler route choice behavior and network performance planning-level traffic equilibrium-based approach. Transportation Research Record, (2302), 164–173. Huntsinger, L. F., & Rouphail, N. M. (2012). Value of life cycle in explaining trip-making behavior and improving temporal stability of trip generation models. Transportation Research Record, (2322), 60–69. Kittelson, W. K., Rouphail, N. M., Williams, B. M., & Zhou, X. S. (2011). Analyzing operational improvements as an alternative to traditional highway construction. Transportation Research Record, (2223), 18–25. Huntsinger, L. F., & Rouphail, N. M. (2011). Bottleneck and queuing analysis calibrating volume-delay functions of travel demand models. Transportation Research Record, (2255), 117–124. Salamati, K., Schroeder, B., Rouphail, N. M., Cunningham, C., Long, R., & Barlow, J. (2011). Development and implementation of conflict-based assessment of pedestrian safety to evaluate accessibility of complex intersections. Transportation Research Record, (2264), 148–155. Zhai, H., Frey, H. C., & Rouphail, N. M. (2011). Development of a modal emissions model for a hybrid electric vehicle. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 16(6), 444–450. https://doi.org/10.1016/j.trd.2011.05.001 Schroeder, B. J., & Rouphail, N. M. (2011). Empirical Behavioral Models to Support Alternative Tools for the Analysis of Mixed-Priority Pedestrian-Vehicle Interaction in a Highway Capacity Context. Procedia - Social and Behavioral Sciences, 16, 653–663. https://doi.org/10.1016/j.sbspro.2011.04.485 Schroeder, B. J., & Rouphail, N. M. (2011). Event-Based Modeling of Driver Yielding Behavior at Unsignalized Crosswalks. JOURNAL OF TRANSPORTATION ENGINEERING, 137(7), 455–465. https://doi.org/10.1061/(asce)te.1943-5436.0000225 Reynolds, W. L., Rouphail, N. M., & Zhou, X. S. (2011). Turn pocket blockage and spillback models applications for signal timing and capacity analysis. Transportation Research Record, (2259), 112–122. Schroeder, B. J., & Rouphail, N. M. (2010). Estimating operational impacts of freeway work zones on extended facilities. Transportation Research Record, (2169), 70–80. Reynolds, W. L., Zhou, X. S., Rouphail, N. M., & Li, M. X. (2010). Estimating sustained service rates at signalized intersections with short left-turn pockets mesoscopic approach. Transportation Research Record, (2173), 64–71. Jia, A., Williams, B. M., & Rouphail, N. M. (2010). Identification and calibration of site-specific stochastic freeway breakdown and queue discharge. Transportation Research Record, (2188), 148–155. Schroeder, B. J., & Rouphail, N. M. (2010). Mixed-priority pedestrian delay models at single-lane roundabouts. Transportation Research Record, (2182), 129–138. Mei, B., Hu, H. J., Rouphail, N. M., & Lee, J. J. (2010). Simulation model for studying impact of vehicle-to-vehicle wireless communications on traffic network operations. Transportation Research Record, (2189), 107–115. Frey, H. C., Zhang, K., & Rouphail, N. M. (2010). Vehicle-Specific Emissions Modeling Based upon on-Road Measurements. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 44(9), 3594–3600. https://doi.org/10.1021/es902835h Coelho, M. C., Farias, T. L., & Rouphail, N. M. (2009). A Numerical Tool for Estimating Pollutant Emissions and Vehicles Performance in Traffic Interruptions on Urban Corridors. INTERNATIONAL JOURNAL OF SUSTAINABLE TRANSPORTATION, 3(4), 246–262. https://doi.org/10.1080/15568310802175641 Coelho, M. C., Frey, H. C., Rouphail, N. M., Zhai, H., & Pelkmans, L. (2009). Assessing methods for comparing emissions from gasoline and diesel light-duty vehicles based on microscale measurements. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 14(2), 91–99. https://doi.org/10.1016/j.trd.2008.11.005 Zhai, H., Frey, H. C., Rouphail, N. M., Goncalves, G. A., & Farias, T. L. (2009). Comparison of Flexible Fuel Vehicle and Life-Cycle Fuel Consumption and Emissions of Selected Pollutants and Greenhouse Gases for Ethanol 85 Versus Gasoline. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 59(8), 912–924. https://doi.org/10.3155/1047-3289.59.8.912 Hu, H. J., Williams, B. M., Rouphail, N. M., Khattak, A. J., & Zhou, X. S. (2009). Modeling the role of transportation information in mitigating major capacity reductions in a regional network. Transportation Research Record, (2138), 75–84. Frey, H. C., Zhai, H., & Rouphail, N. M. (2009). Regional On-Road Vehicle Running Emissions Modeling and Evaluation for Conventional and Alternative Vehicle Technologies. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 43(21), 8449–8455. https://doi.org/10.1021/es900535s Schroeder, B. J., Rouphail, N. M., & Hughes, R. G. (2009). Working concept of accessibility performance measures for usability of crosswalks by pedestrians with vision impairments. Transportation Research Record, (2140), 103–110. Zhai, H., Frey, H. C., & Rouphail, N. M. (2008). A Vehicle-Specific Power Approach to Speed- and Facility-Specific Emissions Estimates for Diesel Transit Buses. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 42(21), 7985–7991. https://doi.org/10.1021/es800208d Flannery, A., Rouphail, N., & Reinke, D. (2008). Analysis and modeling of automobile users' perceptions of quality of service on urban streets. Transportation Research Record, (2071), 26–34. Frey, H. C., Zhang, K., & Rouphail, N. M. (2008). Fuel use and emissions comparisons for alternative routes, time of day, road grade, and vehicles based on in-use measurements. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 42(7), 2483–2489. https://doi.org/10.1021/es702493v Zhai, H., Frey, H. C., Rouphail, N. M., Gonçalves, G. A., & Farias, T. L. (2008). Impact of Alternative Vehicle Technologies on Measured Vehicle Emissions. Transportation Land Use, Planning, and Air Quality, 320. https://doi.org/10.1061/40960(320)38 Frey, H. C., Rouphail, N. M., & Zhai, H. B. (2008). Link-based emission factors for heavy-duty diesel trucks based an real-world data. Transportation Research Record, (2058), 23–32. Dowling, R., Flannery, A., Landis, B., Petritsch, T., Rouphail, N., & Ryus, P. (2008). Multimodal level of service for urban streets. Transportation Research Record, (2071), 1–7. Schroeder, B. J., Rouphail, N. M., & Hughes, R. G. (2008). Toward roundabout accessibility - Exploring the operational impact of pedestrian signalization options at modern roundabouts. Journal of Transportation Engineering, 134(6), 262–271. https://doi.org/10.1061/(ASCE)0733-947X(2008)134:6(262) Khattak, A. J., Pan, X. H., Williams, B., Rouphail, N., & Fan, Y. L. (2008). Traveler information delivery mechanisms impact on consumer behavior. Transportation Research Record, (2069), 77–84. Frey, H. C., Rouphail, N. M., Zhai, H., Farias, T. L., & Goncalves, G. A. (2007). Comparing real-world fuel consumption for diesel- and hydrogen-fueled transit buses and implication for emissions. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 12(4), 281–291. https://doi.org/10.1016/j.trd.2007.03.003 Williams, B., Tagliaferri, A. P., Meinhold, S. S., Hummer, J. E., & Rouphail, N. M. (2007). Simulation and analysis of freeway lane reversal for coastal hurricane evacuation. Journal of Urban Planning and Development, 133(1), 61–72. https://doi.org/10.1061/(ASCE)0733-9488(2007)133:1(61) Coelho, M. C., Farias, T. L., & Rouphail, N. M. (2006). Effect of roundabout operations on pollutant emissions. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 11(5), 333–343. https://doi.org/10.1016/j.trd.2006.06.005 Silva, C. M., Farias, T. L., Frey, H. C., & Rouphail, N. M. (2006). Evaluation of numerical models for simulation of real-world hot-stabilized fuel consumption and emissions of gasoline light-duty vehicles. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 11(5), 377–385. https://doi.org/10.1016/j.trd.2006.07.004 Coelho, M. C., Farias, T. L., & Rouphail, N. M. (2005, April). A methodology for modelling and measuring traffic and emission performance of speed control traffic signals. ATMOSPHERIC ENVIRONMENT, Vol. 39, pp. 2367–2376. https://doi.org/10.1016/j.atmosenv.2004.03.082 Paulo, R., Lin, J., Rouphail, N., & Sacks, J. (2005). Calibrating and validating deterministic traffic models: application to the HCM control delay at signalized intersections. In Geometric design and the effects on traffic operations, 2005 (pp. 95–105). Washington, DC: Transportation Research Board. Rouphail, N., Hughes, R., & Chae, K. (2005). Exploratory simulation of pedestrian crossings at roundabouts. Journal of Transportation Engineering, 131(3), 211–218. https://doi.org/10.1061/(ASCE)0733-947X(2005)131:3(211) Coelho, M. C., Farias, T. L., & Rouphail, N. M. (2005). Impact of speed control traffic signals on pollutant emissions. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 10(4), 323–340. https://doi.org/10.1016/j.trd.2005.04.005 Lee, J., Rouphail, N., & Hummer, J. (2005). Lane utilization prediction models for lane-drop intersections. In Geometric design and the effects on traffic operations, 2005 (pp. 47–56). Washington, DC: Transportation Research Board. Do, A., Hummer, J., Toole, J., & Rouphail, N. (2005). Making Trails. Public Roads, 69(1), 12–17. Coelho, M. C., Farias, T. L., & Rouphail, N. M. (2005). Measuring and modeling emission effects for toll facilities. ENERGY AND ENVIRONMENTAL CONCERNS 2005, pp. 136–144. https://doi.org/10.3141/1941-17 Coelho, M., Farias, T., & Rouphail, N. (2005). Measuring and modeling emissions effects for toll facilities. In Transportation Research Record. Washington, DC: Transportation Research Board. Hummer, J. E., Rouphail, N., Hughes, R. G., Fain, S. J., Toole, J. L., Patten, R. S., … Do, A. (2005). User perceptions of the quality of service on shared paths. In Bicycles and pedestrians: Developing countries, 2005 (pp. 28–36). Washington, D.C.: Transportation Research Board. Bayarri, M. J., Berger, J. O., Molina, G., Rouphail, N. M., & Sacks, J. (2004). Assessing uncertainties in traffic simulation: A key component in model calibration and validation. In Calibration and validation of simulation models 2004 (pp. 32–40). Washington, DC: Transportation Research Board. Torres, E., Nelson, P., Rouphail, N., & Raj, J. (2004). Estimating link delays for arterial streets. In Urban and regional transportation modeling, essays in honor of David Boyce. Northhampton, MA: Edward Elgar. Khattak, A., Rouphail, N., Monast, K., & Havel, J. (2004). Method for priority-ranking and expanding freeway service patrols. In Freeway operations and traffic signal systems, 2004 (pp. 1–10). Washington, DC: Transportation Research Board, National Academy of Sciences. Khattak, A., Rouphail, N., Monast, K., & Havel, J. (2004). Methodology for prioritizing and expanding freeway service patrols. In Calibration and validation of simulation models 2004 (pp. 1–10). Washington, DC: Transportation Research Board. Unal, A., Frey, H. C., & Rouphail, N. M. (2004). Quantification of highway vehicle emissions hot spots based upon on-board measurements. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 54(2), 130–140. https://doi.org/10.1080/10473289.2004.10470888 Wan, B. H., & Rouphail, N. M. (2004). Using arena for simulation of pedestrian crossing in roundabout areas. In Pedestrians and bicycles: Developing countries (pp. 58–65). Washington, DC: Transportation Research Board. A statistically-based validation of computer simulation models in traffic operations and management. (2003). Journal of Transportation and Statistics, 5(1), 1–15. Hagring, O., Rouphail, N. M., & Sorensen, H. A. (2003). Comparison of capacity models for two-lane roundabouts. In Traffic flow theory and highway capacity, 2003 (pp. 114–123). Washington, DC: Transportation Research Board. Unal, A., Rouphail, N. M., & Frey, H. C. (2003). Effect of arterial signalization and level of service on measured vehicle emissions. In Energy, air quality, and fuels 2003 (pp. 47–56). Washington, DC: Transportation Research Board. Colyar, J. D., & Rouphail, N. M. (2003). Measured distributions of control delay on signalized arterials. In Traffic flow theory and highway capacity, 2003 (pp. 1–9). Washington, DC: Transportation Research Board. Frey, H. C., Unal, A., Rouphail, N. M., & Colyar, J. D. (2003). On-road measurement of vehicle tailpipe emissions using a portable instrument. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 53(8), 992–1002. https://doi.org/10.1080/10473289.2003.10466245 Nevers, B., & Rouphail, N. (2002). Field evaluation of lane selection strategies at signalized intersections. Journal of Transportation Engineering, 128(3), 224–231. https://doi.org/10.1061/(ASCE)0733-947X Rouphail, N. M., & Nevers, B. L. (2001). A saturation flow rate using traffic subgroups. In Traffic flow theory and highway capacity 2001 (pp. 114–122). Washington, D.C.: National Academy Press. Rhoulac, T., Rouphail, N., & Tsai, J. (2001). Application of GPS to pupil transportation operations. In Transportation data and information technology Council, 2001. (pp. 242–249). Washington, DC: Transportation Research Board, National Research Council, 2001. Park, B., Rouphail, N. M., & Sacks, J. (2001). Assessment of stochastic signal optimization method using microsimulation. In Advanced traffic management systems and vehicle-highway automation 2001: Highway operations, capacity, and traffic control. Washington, D.C.: National Academy Press, 2001. (pp. 40–45). Washington, DC: National Academy Press. Park, B., Rouphail, N., Hochanadel, J., & Sacks, J. (2001). Evaluating reliability of TRANSYT-7F optimization schemes. Journal of Transportation Engineering, 127(4), 319–326. https://doi.org/10.1061/(ASCE)0733-947X(2001)127:4(319) May, A. D., Rouphail, N., Bloomberg, L., Hall, F., & Urbanik, T. (2001). Freeway systems research beyond Highway Capacity Manual 2000. In Traffic flow theory and highway capacity 2001 (pp. 1–9). Washington, DC: National Academy Press. ElDessouki, W. M., Fathi, Y., & Rouphail, N. (2001). Meta-optimization using cellular automata with application to the combined trip distribution and assignment system optimal problem. COMPUTER-AIDED CIVIL AND INFRASTRUCTURE ENGINEERING, 16(6), 384–398. https://doi.org/10.1111/0885-9507.00241 Rouphail, N. M., & Nevers, B. L. (2001). Saturation flow estimation by traffic subgroups. In Traffic flow theory and highway capacity 2001 (pp. 114–122). Washington, DC: National Academy Press. Rhoulac, T. D., Rouphail, N., & Tsai, J. C. (2001). Using global positioning system to improve school bus routing and scheduling. In Transportation data and information technology (pp. 242–249). Washington, DC: Transportation Research Board. Eads, B. S., Rouphail, N. M., May, A. D., & Hall, F. (2000). Freeway facility methodology in Highway Capacity Manual 2000. In Traffic flow theory and highway capacity, 2000 (pp. 171–180). Washington, DC: National Academy Press. Park, B., Rouphail, N., & Hummer, J. (2000). Probabilistic approach to implementing traffic signal warrants. Journal of Transportation Engineering, 332–343. Hall, F. L., Bloomberg, L., Rouphail, N. M., Eads, B., & May, A. D. (2000). Validation results for four models of oversaturated freeway facilities. In Traffic flow theory and highway capacity, 2000 (pp. 161–170). Washington, DC: National Academy Press. Milazzo, J. S., Rouphail, N., Hummer, J., & Allen, P. (1999). Quality of service for interrupted flow facilities in highway capacity manual 2000. In Highway capacity, quality of service, and traffic flow and characteristics (pp. 25–31). Washington, D.C.: National Academy Press. Bloomberg, L., Clark, J., Cohen, S., Eads, B., Hall, F., May, A., … Urbanik, T. (1998). Capacity and level of service analysis of freeway systems. Proceedings, Third International Symposium on Highway Capacity, Copenhagen, Denmark, June 22-27, 1998, (1998 June). Rouphail, N., & Fambro, D. (1998). Delay and queue length models for congested arterials. Proceedings, Third International Symposium on Highway Capacity, Copenhagen, Denmark, June 22-27, 1998, (1998 June). Allen, D. P., Hummer, J. E., Rouphail, N. M., & Milazzo, J. S. (1998). Effect of bicycles on capacity of signalized intersections. In Highway capacity issues, 1998 (pp. 87–95). Washington, DC: Transportation Research Board. Milazzo, J. S., Rouphail, N. M., Hummer, J. E., & Allen, D. P. (1998). Effect of pedestrians on capacity of signalized intersections. In Highway capacity issues, 1998 (pp. 37–46). Washington, DC: Transportation Research Board. Rouphail, N. M., & al. (1998). Literature synthesis: Pedestrians: Final report. In Highway capacity manual; Chapter 13: Pedestrians, final report submitted to the Highway Safety Research Center. Washington, DC: National Academy Press. Eldessouki, W., Rouphail, N., Beja, M., & Ranjithan, S. R. (1998). Multiperiod highway improvement and construction scheduling: Model development and application. In Land use and transportation planning and programming applications (pp. 96–104). Washington, DC: Transportation Research Board. Rouphail, N. M., Hummer, J. E., & Goldblatt, R. (1998). Pedestrian and bicycle impacts on signalized intersection operations: the U.S. experience. Proceedings of the Third International Symposium on Highway Capacity, Copenhagen, Denmark, June 22-27, 1998, 2(1998), 852–872. Rouphail, N. M., & al. (1998). Recommended Procedures: Bicycles: Final report. In Highway capacity manual; Chapter 14: Bicycles, Final report submitted to the Highway Safety Research Center. Washington, DC: National Academy Press. Rouphail, N. M., & al. (1998). Recommended Procedures: Pedestrians: Final report. In Highway capacity manual; Chapter 13: Pedestrians, final report submitted to the Highway Safety Research Center. Washington, DC: National Academy Press. Rouphail, N. M., & al. (1998). Research report and recommended procedures: Signalized intersections. In Highway capacity manual; Chapter 9: Signalized Intersections, Final report submitted to the Highway Safety Research Center. Washington, DC: National Academy Press. Allen, P., Hummer, J., Rouphail, N., & Milazzo, F. (1998). The Effects of bicycles on the capacity of signalized intersections. In Highway capacity issues, 1998 (pp. 87–95). Washington, DC: National Academy Press. Rouphail, N. M., Hummer, J. E., & Allen, D. P. (1997). Bicycle operations and level of service literature synthesis. In Final Draft, Federal Highway Administration, McLean, VA, January 1997. Fambro, D., & Rouphail, N. (1997). Generalized delay model for signalized intersections and arterials. In Highway capacity issues and analysis (pp. 112–121). Washington, DC: National Academy Press. Rouphail, N. M., & al. (1997). ITS integration of real-time emissions data and traffic management systems. Transportation Research Board. Tarko, A., & Rouphail, N. (1997). Intelligent traffic data processing for ATIS applications. Journal of Transportation Engineering, 123(4), 298–307. https://doi.org/10.1061/(ASCE)0733-947X(1997)123:4(298) Rouphail, N. M., & Eads, B. (1997). Pedestrian impedance on turning movements saturation flow rates: A comparison of simulation, analytical and field observations. In Pedestrian and bicycle research 1997 (pp. 56–63). Washington, DC: National Academy Press. Milazzo, J., Rouphail, N., Allen, P., & Hummer, J. (1997). Proposed revisions to Highway Capacity Manual chapter 9: Pedestrian and bicycle analysis procedures. Proceedings of the ASCE Specialty Conference: Traffic Congestion and Safety in the 21st Century, Chicago, IL, June 8-11, 1997. Ran, B., Rouphail, N. M., Tarko, A., & Boyce, D. E. (1997). Toward a class of link travel time functions for dynamic assignment models on signalized networks. TRANSPORTATION RESEARCH PART B-METHODOLOGICAL, 31(4), 277–290. https://doi.org/10.1016/S0191-2615(96)00036-7 Engelbert, R., Fambro, D., & Rouphail, N. (1997). Validation of a generalized delay model for oversaturated conditions. In Highway capacity issues and analysis (pp. 122–130). Washington, DC: National Academy Press. Rouphail, N. M., Anwar, M., Fambro, D., Sloup, P., & Perez, C. (1997). Validation of a generalized delay model for vehicle-actuated signals. In Highway capacity issues and analysis (pp. 105–111). Washington, DC: National Academy Press. Nemeth, Z., Rathi, A., & Rouphail, N. (1988). Traffic control at freeway work sites. Civil Engineering Practice, N.J.: Technomic Publishing.