39 results

Extending the Heston model to forecast motor vehicle collision rates

Journal Article
Shannon, D., & Fountas, G. (2021)
Extending the Heston model to forecast motor vehicle collision rates. Accident analysis and prevention, 159, https://doi.org/10.1016/j.aap.2021.106250
We present an alternative approach to the forecasting of motor vehicle collision rates. We adopt an oft-used tool in mathematical finance, the Heston Stochastic Volatility mod...

Are We Willing to Relocate with the Future Introduction of Flying Cars? An Exploratory Empirical Analysis of Public Perceptions in the United States

Journal Article
Ahmed, S. S., Fountas, G., Eker, U., & Anastasopoulos, P. C. (2022)
Are We Willing to Relocate with the Future Introduction of Flying Cars? An Exploratory Empirical Analysis of Public Perceptions in the United States. Transportmetrica A: Transport Science, 18(3), 1025-1052. https://doi.org/10.1080/23249935.2021.1916643
Flying cars, a new transportation mode capable of operating on both land and air, are expected to be introduced in the existing traffic fleet over the next decade or so. Due t...

Do High Visibility Crosswalks Improve Pedestrian Safety? A Correlated Grouped Random Parameters Approach Using Naturalistic Driving Study Data

Journal Article
Sonduru Pantangi, S., Shahriar Ahmed, S., Fountas, G., Majka, K., & Ch. Anastasopoulos, P. (2021)
Do High Visibility Crosswalks Improve Pedestrian Safety? A Correlated Grouped Random Parameters Approach Using Naturalistic Driving Study Data. Analytic Methods in Accident Research, 30, https://doi.org/10.1016/j.amar.2020.100155
In this study, the effectiveness of High-Visibility Crosswalks (HVCs) in improving pedestrian safety at urban settings is assessed using SHRP2 (Second Strategic Highway Resear...

An exploratory empirical analysis of willingness to hire and pay for flying taxis and shared flying car services

Journal Article
Shahriar Ahmed, S., Fountas, G., Eker, U., Still, S. E., & Anastasopoulos, P. C. (2021)
An exploratory empirical analysis of willingness to hire and pay for flying taxis and shared flying car services. Journal of Air Transport Management, 90, https://doi.org/10.1016/j.jairtraman.2020.101963
A new transportation mode that can simultaneously operate on land and in the air, namely the flying cars, is anticipated to penetrate the automobile fleet between 2020 and 202...

A Novel Method for Estimating Emissions Reductions Caused by the Restriction of Mobility: The Case of the COVID-19 Pandemic

Journal Article
Pomponi, F., Li, M., Sun, Y., Malik, A., Lenzen, M., Fountas, G., …Luque Anguita, M. (2021)
A Novel Method for Estimating Emissions Reductions Caused by the Restriction of Mobility: The Case of the COVID-19 Pandemic. Environmental Science and Technology Letters, 8(1), 46-52. https://doi.org/10.1021/acs.estlett.0c00764
The COVID-19 pandemic is the single largest event in contemporary history for global mobility restriction, with the majority of the world population experiencing various forms...

The influence of traffic, geometric and context variables on urban crash types: a grouped random parameter multinomial logit approach

Journal Article
Intini, P., Berloco, N., Fonzone, A., Fountas, G., & Ranieri, V. (2020)
The influence of traffic, geometric and context variables on urban crash types: a grouped random parameter multinomial logit approach. Analytic Methods in Accident Research, 28, https://doi.org/10.1016/j.amar.2020.100141
Numerous road safety studies have been dedicated to the estimation of crash frequency and injury severity models. However, previous research has shown that different factors m...

Analysis of Safety Benefits and Security Concerns from the Use of Autonomous Vehicles: A Grouped Random Parameters Bivariate Probit Approach with Heterogeneity in Means

Journal Article
Ahmed, S. S., Pantangi, S. S., Eker, U., Fountas, G., Still, S. E., & Anastasopoulos, P. C. (2020)
Analysis of Safety Benefits and Security Concerns from the Use of Autonomous Vehicles: A Grouped Random Parameters Bivariate Probit Approach with Heterogeneity in Means. Analytic Methods in Accident Research, 28, https://doi.org/10.1016/j.amar.2020.100134
This paper investigates public perceptions towards potential safety benefits, and safety- and security-related concerns from the future use of autonomous vehicles by utilizing...

The Flying Car – Challenges and Strategies towards Future Adoption

Journal Article
Shahriar Ahmed, S., Hulme, K., Fountas, G., Eker, U., Benedyk, I., Still, S., & Anastasopoulos, P. C. (2020)
The Flying Car – Challenges and Strategies towards Future Adoption. Frontiers in Built Environment, 6, https://doi.org/10.3389/fbuil.2020.00106
In recent years, our surface transportation infrastructure is suffering from overuse, extreme traffic congestion, and roadway disrepair. Instead of following the traditional i...

How Do People Move Around? National Data on Transport Modal Shares for 131 Countries

Journal Article
Fountas, G., Sun, Y., Akizu-Gardoki, O., & Pomponi, F. (2020)
How Do People Move Around? National Data on Transport Modal Shares for 131 Countries. World, 1(1), 34-43. https://doi.org/10.3390/world1010003
The COVID-19 pandemic has brought global mobility into the spotlight, with well over 100 countries having instituted either a full or partial lockdown by April 2020. Reduced m...

An exploratory empirical analysis of willingness to pay for and use flying cars

Journal Article
Eker, U., Fountas, G., & Anastasopoulos, P. C. (2020)
An exploratory empirical analysis of willingness to pay for and use flying cars. Aerospace science and technology, 104, https://doi.org/10.1016/j.ast.2020.105993
From the early years of aviation, flying cars have constituted an appealing topic for science-fiction scenarios. Currently, recent technological developments demonstrate that...