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Title	Integrating Llms With Its: Recent Advances, Potentials, Challenges, And Future Directions
ID_Doc	32027
Authors	Mahmud D.; Hajmohamed H.; Almentheri S.; Alqaydi S.; Aldhaheri L.; Khalil R.A.; Saeed N.
Year	2025
Published	IEEE Transactions on Intelligent Transportation Systems, 26, 5
DOI	http://dx.doi.org/10.1109/TITS.2025.3528116
Abstract	Intelligent Transportation Systems (ITS) are crucial for the development and operation of smart cities, addressing key challenges in efficiency, productivity, and environmental sustainability. This paper comprehensively reviews the transformative potential of Large Language Models (LLMs) in optimizing ITS. Initially, we provide an extensive overview of ITS, highlighting its components, operational principles, and overall effectiveness. We then delve into the theoretical background of various LLM techniques, such as GPT, T5, CTRL, and BERT, elucidating their relevance to ITS applications. Following this, we examine the wide-ranging applications of LLMs within ITS, including traffic flow prediction, vehicle detection and classification, autonomous driving, traffic sign recognition, and pedestrian detection. Our analysis reveals how these advanced models can significantly enhance traffic management and safety. Finally, we explore the challenges and limitations LLMs face in ITS, such as data availability, computational constraints, and ethical considerations. We also present several future research directions and potential innovations to address these challenges. This paper aims to guide researchers and practitioners through the complexities and opportunities of integrating LLMs in ITS, offering a roadmap to create more efficient, sustainable, and responsive next-generation transportation systems. © 2000-2011 IEEE.
Author Keywords	autonomous driving; Intelligent transportation systems; large language models; traffic flow optimization; traffic management

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