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November 18, 2025Computer-Aided Civil and Infrastructure EngineeringOpen Access

Lane‐change trajectory planning method for connected autonomous vehicles in freeway ramp merging areas

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Authors

YLYongtao LiuYZYichen ZhuHKHaoyu Kang

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Overview

This method improves lane-change trajectories in connected autonomous vehicles, suggesting enhanced safety and efficiency against traffic congestion.

Key Points

  • The optimized lane-change method enhances safety and efficiency in connected autonomous vehicles.
  • This method reduces time cost by approximately 20% compared to the five-polynomial trajectory planning method.
  • Utilizing a dynamic programming algorithm, the method ensures smooth velocity and acceleration profiles.
  • These improvements facilitate real-time, smooth, and safe lane-change maneuvers in complex freeway environments.

Cite This Study

Liu et al. (2025) studied this question.

synapsesocial.com/papers/6924feebc0ce034ddc351967https://doi.org/10.1111/mice.70153
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  1. 1Trajectory Planning and Tracking With Multiobjective Optimization for Connected and Automated Vehicles at Expressway On‐Ramps2026
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  4. 4Hierarchical optimization for multi-criteria lane-changing strategy and decoupled trajectory planning of autonomous vehicles in heterogeneous traffic2026 · 1 citations
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