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Pedestrian crashes at priority controlled junctions, roundabouts and signalised junctions: The UK case study (2019)
Journal Article
Downey, L., Saleh, W., Muley, D., & Kharbeche, M. (2019). Pedestrian crashes at priority controlled junctions, roundabouts and signalised junctions: The UK case study. Traffic Injury Prevention, 20(3), 308-313. https://doi.org/10.1080/15389588.2019.1574972

Objectives: Over half of pedestrians killed and seriously injured in Great Britain in 2015 were involved in crashes at junctions. This study investigates the nature of these crashes.
Methods: A study was conducted into pedestrian casualty crashes at... Read More about Pedestrian crashes at priority controlled junctions, roundabouts and signalised junctions: The UK case study.

Applications of Knowledge Discovery in Massive Transportation Data: The Development of a Transportation Research Informatics Platform (TRIP). (2019)
Report
Majka, K., Nagler, E., James, A., Blatt, A., Pierowicz, J., Anastasopoulos, P. . C., & Fountas, G. (2019). Applications of Knowledge Discovery in Massive Transportation Data: The Development of a Transportation Research Informatics Platform (TRIP). Federal Highway Administration

Transportation researchers and practitioners have access to unprecedented amounts of data but lack the tools to easily store, manipulate, and analyze these data. The Transportation Research Informatics Platform (TRIP) is an informatics-based system d... Read More about Applications of Knowledge Discovery in Massive Transportation Data: The Development of a Transportation Research Informatics Platform (TRIP)..

Optical Fiber Sensor Design for Ground Slope Movement Monitoring for Railway Safety Operations (2018)
Presentation / Conference Contribution
Hook, D., Laing, W., Kerrouche, A., Barreto Gonzalez, D., & Alwis, L. S. (2018, October). Optical Fiber Sensor Design for Ground Slope Movement Monitoring for Railway Safety Operations. Presented at 17th IEEE SENSORS Conference, New Delhi, India

Scour and slope instability are a major issue in keeping the railway structures safe and operational. Conventional measurement techniques do not allow real-time monitoring of slope movement and/or are time/resource consuming. Novel fiber optic techno... Read More about Optical Fiber Sensor Design for Ground Slope Movement Monitoring for Railway Safety Operations.

Analysis of accident injury-severities using a correlated random parameters ordered probit approach with time variant covariates (2018)
Journal Article
Fountas, G., Anastasopoulos, P. C., & Abdel-Aty, M. (2018). Analysis of accident injury-severities using a correlated random parameters ordered probit approach with time variant covariates. Analytic Methods in Accident Research, 18, 57-68. https://doi.org/10.1016/j.amar.2018.04.003

This paper employs a correlated random parameters ordered probit modeling framework to explore time-variant and time-invariant factors affecting injury-severity outcomes in single-vehicle accidents. The proposed approach extends traditional random pa... Read More about Analysis of accident injury-severities using a correlated random parameters ordered probit approach with time variant covariates.

Analysis of vehicle accident-injury severities: A comparison of segment- versus accident-based latent class ordered probit models with class-probability functions (2018)
Journal Article
Fountas, G., Anastasopoulos, P. C., & Mannering, F. L. (2018). Analysis of vehicle accident-injury severities: A comparison of segment- versus accident-based latent class ordered probit models with class-probability functions. Analytic Methods in Accident Research, 18, 15-32. https://doi.org/10.1016/j.amar.2018.03.003

Using information from 1990 single-vehicle accidents that occurred between 2011 and 2013 in the state of Washington, the injury severity level of the most severely injured vehicle occupant is studied using two latent class modeling approaches: segmen... Read More about Analysis of vehicle accident-injury severities: A comparison of segment- versus accident-based latent class ordered probit models with class-probability functions.

Analysis of stationary and dynamic factors affecting highway accident occurrence: A dynamic correlated grouped random parameters binary logit approach (2018)
Journal Article
Fountas, G., Sarwar, M. T., Anastasopoulos, P. C., Blatt, A., & Majka, K. (2018). Analysis of stationary and dynamic factors affecting highway accident occurrence: A dynamic correlated grouped random parameters binary logit approach. Accident analysis and prevention, 113, 330-340. https://doi.org/10.1016/j.aap.2017.05.018

Traditional accident analysis typically explores non-time-varying (stationary) factors that affect accident occurrence on roadway segments. However, the impact of time-varying (dynamic) factors is not thoroughly investigated. This paper seeks to simu... Read More about Analysis of stationary and dynamic factors affecting highway accident occurrence: A dynamic correlated grouped random parameters binary logit approach.

Effectiveness of various public private partnership pavement rehabilitation treatments: A big data informatics survival analysis of pavement service life (2017)
Report
David, D., Fountas, G., Sarwar, M. T., Eker, U., Akpinar, S., & Anastasopoulos, P. C. (2017). Effectiveness of various public private partnership pavement rehabilitation treatments: A big data informatics survival analysis of pavement service life. US Department of Transportation Office of the UTC Program

Past research efforts have used a wide variety of methodological approaches to analyze pavement performance indicators, pavement rehabilitation treatments, and pavement service life. Using big data informatics methods, the intent of this study is to... Read More about Effectiveness of various public private partnership pavement rehabilitation treatments: A big data informatics survival analysis of pavement service life.

Simultaneous estimation of discrete outcome and continuous dependent variable equations: A bivariate random effects modeling approach with unrestricted instruments (2017)
Journal Article
Sarwar, M. T., Fountas, G., & Anastasopoulos, P. C. (2017). Simultaneous estimation of discrete outcome and continuous dependent variable equations: A bivariate random effects modeling approach with unrestricted instruments. Analytic Methods in Accident Research, 16, 23-34. https://doi.org/10.1016/j.amar.2017.05.002

This paper proposes a novel methodology to simultaneously model discrete outcome (binary) and continuous dependent variables. The proposed modeling framework addresses unobserved heterogeneity by accounting for both panel effects, and for contemporan... Read More about Simultaneous estimation of discrete outcome and continuous dependent variable equations: A bivariate random effects modeling approach with unrestricted instruments.

A random thresholds random parameters hierarchical ordered probit analysis of highway accident injury-severities (2017)
Journal Article
Fountas, G., & Anastasopoulos, P. C. (2017). A random thresholds random parameters hierarchical ordered probit analysis of highway accident injury-severities. Analytic Methods in Accident Research, 15, 1-16. https://doi.org/10.1016/j.amar.2017.03.002

This study uses highway accident data collected in the State of Washington, between 2011 and 2013, to study the factors that affect accident injury-severities. To account for the fixed thresholds limitation of the traditional ordered probability mode... Read More about A random thresholds random parameters hierarchical ordered probit analysis of highway accident injury-severities.

Project Discrepancies in Roadway Construction and Preservation: A Statistical Analysis of Public–Private Partnership Contract Types in the US (2017)
Journal Article
Nahidi, S., Fountas, G., Sarvani, S. P., Sarwar, M. T., & Anastasopoulos, P. C. (2017). Project Discrepancies in Roadway Construction and Preservation: A Statistical Analysis of Public–Private Partnership Contract Types in the US. Frontiers in Built Environment, 3, Article 15. https://doi.org/10.3389/fbuil.2017.00015

At the planning stage of a roadway construction or preservation project, public agencies face a crucial challenge; to adopt and implement the appropriate contractual framework that can minimize the anticipated project discrepancies, on the basis of p... Read More about Project Discrepancies in Roadway Construction and Preservation: A Statistical Analysis of Public–Private Partnership Contract Types in the US.

Preliminary Investigation of the Effectiveness of High-Visibility Crosswalks on Pedestrian Safety Using Crash Surrogates (2017)
Journal Article
Sarwar, M. T., Fountas, G., Bentley, C., Anastasopoulos, P. C., Blatt, A., Pierowicz, J., Majka, K., & Limoges, R. (2017). Preliminary Investigation of the Effectiveness of High-Visibility Crosswalks on Pedestrian Safety Using Crash Surrogates. Transportation research record, 2659, 182-191. https://doi.org/10.3141/2659-20

This paper, with the use of data from the SHRP 2 naturalistic driving study, provides a preliminary evaluation of the effectiveness of high-visibility crosswalks (HVCs) in improving pedestrian safety at un-controlled locations. This evaluation was ac... Read More about Preliminary Investigation of the Effectiveness of High-Visibility Crosswalks on Pedestrian Safety Using Crash Surrogates.

Modelling behavioural responses to tolling by microsimulation (2015)
Thesis
Martínez del Rincón, E. M. Modelling behavioural responses to tolling by microsimulation. (Thesis). Edinburgh Napier University. http://researchrepository.napier.ac.uk/id/eprint/8855

Over the past few decades there has been a renewed interest in road pricing. This has come about due to the increasing realisation of the negative effects of unrestrained car use, such as, the impact of congestion on the economy and pollution on the... Read More about Modelling behavioural responses to tolling by microsimulation.

Condition monitoring of wooden railway sleepers (2009)
Journal Article
Yella, S., Dougherty, M., & Gupta, N. K. (2009). Condition monitoring of wooden railway sleepers. Transportation Research Part C : Emerging Technologies, 17(1), 38-55. https://doi.org/10.1016/j.trc.2008.06.002

Wooden railway sleeper inspections in Sweden are currently performed manually by a human operator; such inspections are to large extent based on visual analysis. In this paper a machine vision based approach has been considered to emulate the visual... Read More about Condition monitoring of wooden railway sleepers.

EURAMP (European Ramp Metering Project). Deliverable 6.3: Evaluation results. (2007)
Report
Bielefeldt, C., Ben Shabat, E., Condie, H., Rotem, A., Haj-Salem, H., Ramananjaona, C., Middelham, F., & Ernhofer, O. (2007). EURAMP (European Ramp Metering Project). Deliverable 6.3: Evaluation results

This deliverable presents the Evaluation Results for the demonstration of [motorway] ramp metering strategies in EURAMP.

Demonstrations were conducted in Munich, Utrecht, Paris and Tel Aviv with a range of different ramp metering algortithms and s... Read More about EURAMP (European Ramp Metering Project). Deliverable 6.3: Evaluation results..

Artificial intelligence techniques for the automatic interpretation of data from non-destructive testing (2006)
Journal Article
Yella, S., Dougherty, M. S., & Gupta, N. K. (2006). Artificial intelligence techniques for the automatic interpretation of data from non-destructive testing. Insight - Non-Destructive Testing & Condition Monitoring, 48(1), 10-20. https://doi.org/10.1784/insi.2006.48.1.10

This paper attempts to summarise the findings of a large
number of research papers deploying artificial intelligence
(AI) techniques for the automatic interpretation of data from non-destructive testing (NDT). Problems in the rail transport domain... Read More about Artificial intelligence techniques for the automatic interpretation of data from non-destructive testing.

Load spectrum for utility trenches in the footway (2003)
Journal Article
Reid, A., Fairfield, C. A., & Sibbald, A. (2003). Load spectrum for utility trenches in the footway. Proceedings of the ICE - Municipal Engineer, 156(1), 57-66. https://doi.org/10.1680/muen.156.1.57.37647

Local authorities are concerned about the adoption of cable television networks after they reach two years of age. Concerns have been raised about the shallow burial depth (250 mm to the crown for ducts in footways), the longevity of the reinstatemen... Read More about Load spectrum for utility trenches in the footway.

Continuous surface wave and impact methods of measuring the stiffness and density of railway ballast (2002)
Journal Article
Fairfield, C., & Zagyapan, M. (2002). Continuous surface wave and impact methods of measuring the stiffness and density of railway ballast. NDT and E International, 35(2), 75-81. https://doi.org/10.1016/s0963-8695%2801%2900034-2

Continuous surface wave and transient impact excitation tests were performed on strips of ballast to monitor their compaction. The ballast's shear wave velocity, hence the ratio of its shear modulus and density, increased with depth. Two types of tra... Read More about Continuous surface wave and impact methods of measuring the stiffness and density of railway ballast.

The measurement of vehicular driving cycle within the city of Edinburgh (2001)
Journal Article
Esteves-Booth, A., Muneer, T., Kirby, H., Kubie, J., & Hunter, J. (2001). The measurement of vehicular driving cycle within the city of Edinburgh. Transportation Research Part D: Transport and Environment, 6(3), 209-220. https://doi.org/10.1016/S1361-9209%2800%2900024-9

In this paper, the development of a driving cycle for the urban area of the city of Edinburgh is presented. The driving cycle was obtained from recorded data in actual traffic conditions, using the car chase technique. A new statistical method of ana... Read More about The measurement of vehicular driving cycle within the city of Edinburgh.