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Topic Review
Autonomous Wheelchair Navigation
As automated driving system (ADS) technology is adopted in wheelchairs, clarity on the vehicle’s imminent path becomes essential for both users and pedestrians. For users, understanding the imminent path helps mitigate anxiety and facilitates real-time adjustments. For pedestrians, this insight aids in predicting their next move when near the wheelchair.
  • 102
  • 19 Jan 2024
Topic Review
Urban Road Traffic Spatiotemporal State Estimation
The road traffic state is usually analyzed from a temporal and macroscopic perspective; however, traffic flow parameters, such as density and spacing, can explain the evolution of traffic states from the microscopic perspective and the spatial distribution of vehicles in lanes. 
  • 119
  • 18 Jan 2024
Topic Review
Sensor Fusion Technology in Autonomous Vehicles
Complete autonomous systems such as self-driving cars to ensure the high reliability and safety of humans need the most efficient combination of four-dimensional (4D) detection, exact localization, and artificial intelligent (AI) networking to establish a fully automated smart transportation system. Sensor fusion also called multisensory data fusion or sensor data fusion is used to improve the specific detection task. In AVs, the primary sensors of cameras, radio detection and ranging (RADAR), and light detection and ranging (LiDAR) are used for object detection, localization, and classification.
  • 142
  • 17 Jan 2024
Topic Review
Micromobility in Urban Transportation
Micromobility is a novel approach to urban transportation that provides options for short-distance travel, such as first- and last-kilometer trips. Its primary attraction is the provision of an on-demand, affordable, eco-friendly, and adaptable transportation option, reducing reliance on private vehicles for short distances.
  • 149
  • 04 Jan 2024
Topic Review
Vehicle Routing Problem in Evolving Urban Logistics Environment
The Vehicle Routing Problem (VRP) is a combinatorial optimisation problem that aims to determine the optimal set of service sequences and routes from a depot to geographically dispersed customers, considering operational constraints.
  • 122
  • 02 Jan 2024
Topic Review
LiDAR Calibration in Data Collection Vehicles
Accurately calibrating camera–LiDAR systems is crucial for achieving effective data fusion, particularly in data collection vehicles. Data-driven calibration methods have gained prominence over target-based methods due to their superior adaptability to diverse environments. However, current data-driven calibration methods are susceptible to suboptimal initialization parameters, which can significantly impact the accuracy and efficiency of the calibration process. Precise calibration is essential for achieving accurate data fusion between LiDAR and camera sensors. In general, calibration approaches can be classified into four categories: target-based approaches, feature matching-based approaches, statistics-based approaches, and deep learning-based approaches.
  • 128
  • 18 Dec 2023
Topic Review
Autonomous Vehicle Decision-Making for Handling a Round Intersection
Autonomous shuttles have been used as end-mile solutions for smart mobility in smart cities. The urban driving conditions of smart cities with many other actors sharing the road and the presence of intersections have posed challenges to the use of autonomous shuttles. Round intersections are more challenging because it is more difficult to perceive the other vehicles in and near the intersection. 
  • 171
  • 01 Dec 2023
Topic Review
Sustainable Transportation System
Sustainable transport has become an important element in structuring urban operations. In this context, sustainable transportation is a key factor to tackle environmental, social, and economic challenges. Eventually, the incorporation of sustainable solutions into transportation networks has grown significantly. Such growth is strictly related to globalization and urban development due to the large increase in transport needs.
  • 99
  • 23 Nov 2023
Topic Review
Effects of Shared Mobility on Transportation Systems
Shared mobility is one of the smart city applications in which traditional individually owned vehicles are transformed into shared and distributed ownership. Ensuring the safety of both drivers and riders is a fundamental requirement in shared mobility. 
  • 88
  • 21 Nov 2023
Topic Review
Uncertain Travel Times in Distribution Logistics
Uncertainty quantification is a critical aspect of distribution logistics, particularly unpredictable travel times caused by traffic congestion and varying transportation conditions.
  • 153
  • 17 Nov 2023
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