Publications

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2025

Li Y, Zhang Y, Long Y, Bhalla K, Ezzati M

Assessing bicycle safety risks using emerging mobile sensing data

Travel Behaviour and Society, vol. 38, pp. 100906, 2025.

2024

Singh AC, Imani AF, Sivakumar A, Xi YL, Miller EJ

A joint analysis of accessibility and household trip frequencies by travel mode

Transportation Research Part A: Policy and Practice, vol. 181, pp. 104007, 2024.

Singh AC, Imani AF, Sivakumar A, Xi YL, Miller EJ

A joint analysis of accessibility and household trip frequencies by travel mode

Transportation Research Part A: Policy and Practice, vol. 181, pp. 104007, 2024.

2022

Su Y, Liu Z, Chang J, Deng Q, Zhang Y, Liu J, Long Y

Measuring accessibility to healthcare using taxi trajectories data: a case study of acute myocardial infarction cases in Beijing

International Journal of Health Policy and Management, vol. 12, iss. 1, pp. 1-7, 2022.

2021

Agyemang E, Agyei-Mensah S, Kyere-Gyeabour E

Face mask use among commercial drivers during the COVID-19 pandemic in Accra, Ghana

Journal of Community Health , vol. 46, pp. 1226–1235, 2021.

Hosford K, Firth C, Brauer M, Winters M

The effects of road pricing on transportation and health equity: a scoping review

Transport Reviews, pp. 1-22, 2021.

2020

Dixita M, Sivakumar A

Capturing the impact of individual characteristics on transport accessibility and equity analysis

Transportation Research Part D: Transport and Environment, vol. 87, pp. 102473, 2020.

Agyemang E

“Uber is here to stay”: exploring the policy implications of the Uber-local taxis turf war in Accra, Ghana

Case Studies on Transport Policy, vol. 8, iss. 1, pp. 59-66, 2020.

2019

Wu C, Le Vine S, Sivakumar A, Polak JW

Traveller preferences for free-floating carsharing vehicle allocation mechanisms

Transportation Research Part C, vol. 102, iss. 1, pp. 1-19, 2019.

Manca F, Sivakumar A, Polak JW

The effect of social influence and social interactions on the adoption of a new technology: the use of bike sharing in a student population

Transportation Research Part C , vol. 105, iss. 1, pp. 611-625, 2019.

2018

Ezzati M, Webster CJ, Doyle YG, Rashid S, Owusu G, Leung GM

Cities for global health

BMJ, vol. 363, iss. 1, pp. k3794, 2018.

2017

Pawlak J, Sivakumar A, Polak JW

A framework for joint modelling of activity choice, duration, and productivity while travelling

Transportation Research Part B, vol. 106, pp. 153-172, 2017.

Latinopoulos C, Sivakumar A, Polak JW

Response of electric vehicle drivers to dynamic pricing of parking and charging services: risky choice in early reservations

Transportation Research Part C, vol. 80, pp. 175-189, 2017.

Daina N, Sivakumar A, Polak JW

Modelling electric vehicles use: A survey on the methods

Renewable & Sustainable Energy Reviews, vol. 68, pp. 447-460, 2017.

2014

Le Vine S, Lee-Gosselin M, Sivakumar A, Polak JW

A new approach to predict the market and impacts of round-trip and point-to-point carsharing systems: Case study of London

Transportation Research Part D, vol. 32, iss. 2, pp. 218-229, 2014.

Maldonado Hinarejos R, Sivakumar A, Polak JW

Exploring the role of individual attitudes and perceptions in predicting the demand for cycling: a hybrid choice modelling approach

Transportation , vol. 41, pp. 1287-1304, 2014.

2012

Lee TC, Polak JW, Bell MGH, Wigan MR

The kinematic features of motorcycles in congested urban networks

Accident Analysis and Prevention, vol. 49, pp. 203-211, 2012.

2008

North R, Richards M, Cohen J, Hoose N, Hassard J, Polak JW

A mobile environmental sensing system to manage transportation and urban air quality

2008 IEEE International Symposium on Circuits and Systems, vol. 1-10, pp. 1994-1997, 2008.

2003

Hess S, Polak JW

An analysis of the effects of speed limit enforcement cameras on accident rates

Transportation Research Record, vol. 1830, iss. 1, pp. 25-34, 2003.

2001

Park JY, Noland RB, Polak JW

A microscopic model of air pollutant concentrations: comparison of simulated results with measured and macroscopic estimates

Transportation Research Record, vol. 1750, iss. 1, pp. 64-73, 2001.