Publications

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Journal Articles

Identification of the factors influencing speeding behaviour of food delivery e-bikers in China with the naturalistic cycling data

Published in International Journal of Occupational Safety and Ergonomics, 2024

This paper is about the speeding behavior of food delivery e-bikers.

Recommended citation: Zhang, Z. and Liu, C., 2024. Identification of the factors influencing speeding behaviour of food delivery e-bikers in China with the naturalistic cycling data. International Journal of Occupational Safety and Ergonomics, 30(4), pp.1288-1297.
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Exploration of the Characteristics of Elderly-Driver-Involved Single-Vehicle Hit-Fixed-Object Crashes in Pennsylvania, USA

Published in Applied Sciences, 2024

This paper is about elderly drivers hitting fixed object crashes. We found hit-fixed-object crashes in complex environment caused less severe which implies that elderly drivers might drive more carefully.

Recommended citation: Hou, X., Zhang, Z., Su, X. and Liu, C., 2024. Exploration of the Characteristics of Elderly-Driver-Involved Single-Vehicle Hit-Fixed-Object Crashes in Pennsylvania, USA. Applied Sciences, 14(19), p.8625.
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Exploration of the Heterogeneity among Elderly Drivers by Analyzing Traffic Crash Data: A Case Study in Pennsylvania, USA

Published in SAE International Journal of Transportation Safety, 2024

This paper is about a crash analysis of elderly drivers. We found the factors affecting crash linearly change with age.

Recommended citation: Zhang, Z. and Liu, C., 2024. Exploration of the Heterogeneity among Elderly Drivers by Analyzing Traffic Crash Data: A Case Study in Pennsylvania, USA. SAE International Journal of Transportation Safety, 12(09-12-03-0008), pp.225-233.
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Exploration of Riding Behaviors of Food Delivery Riders: A Naturalistic Cycling Study in Changsha, China

Published in Sustainability, 2023

This paper is about the naturalistic cycling study of Food delivery riders.

Recommended citation: Zhang, Z. and Liu, C., 2023. Exploration of Riding Behaviors of Food Delivery Riders: A Naturalistic Cycling Study in Changsha, China. Sustainability, 15(23), p.16227.
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Conference Papers

Risk-Informed Diffusion Transformer for Long-Tail Trajectory Prediction in the Crash Scenario

Published in Transportation Research Board 104th Annual Meeting (TRB), 2025

This paper is about trajectory prediction in long-tail context. We used diffusion with transformer(Dit) with prior knowledge to generat more diversity and realistic trajectory.

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HeightFormer: A Semantic Alignment Monocular 3D Object Detection Method from Roadside Perspective

Published in Transportation Research Board 104th Annual Meeting (TRB)/IEEE Intelligent transportation system conference (ITSC), 2025

This paper is about the monocular 3d object detection from roadside perspective. We used the heightformer to alignment the height information and context information to improve accuracy of camera-based 3d object detection.

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Why the Elderly Do Not Travel: An Analysis Based on the 2017 NHTS Data

Published in CICTP, 2023

This paper is about the factors analysis for elderly based on 2017 National Household Travel Survey(NHTS) data. We found elderly have few travel and most of them travel for health.

Recommended citation: Zhang, Z. and Liu, C., 2023. Why the Elderly Do Not Travel: An Analysis Based on the 2017 NHTS Data. In CICTP 2023 (pp. 539-548).
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Zihao Zhang