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Topic Review
Transport Environmental Effects of Urban Road Network
As both developing and developed countries continue to urbanize, rapid urban growth is anticipated, particularly in low- and middle-income countries. This will inevitably lead to enhancements in economic development, as well as the expansion of production, population, employment, travel demand, and freight transport demand in urban road networks. Transport can potentially lead to multiple social and environmental effects, such as difficulty with access, social severance, pedestrian accident risk, higher noise levels, greater air pollution, global warming, climate change, and other adverse consequences. 
  • 397
  • 25 Dec 2023
Topic Review
Two-Stage Fuzzy Traffic Congestion Detector
This research presents a two-stage fuzzy-logic application based on the Mamdani inference method to classify the observed road traffic conditions. It was tested using real data extracted from the Padua–Venice motorway in Italy, which contains a dense monitoring network that provides continuous measurements of flow, occupancy, and speed. The data collected indicate that the traffic flow characteristics of the road network are highly perturbed in oversaturated conditions, suggesting that a fuzzy approach might be more convenient than a deterministic one.
  • 393
  • 17 Jul 2023
Topic Review
Bus Service Quality Risk Evaluation in Bangkok
The daily activities of people who live in the Bangkok Metropolitan Region, especially those who do not own personal vehicles, are supported by public transportation as an intermediary to link almost all such activities. As a result, public transit is unavoidably important and connected to their everyday lives.
  • 390
  • 22 May 2023
Topic Review
Helmet Effectiveness and Collaborative Networks Analysis
As an emerging transport tool, electric bicycles (e-bikes) have been widely used due to their low cost and convenient travel characteristics. Numerous studies have shown that the failure to properly use seat belts and safety helmets is one of the major causes of road traffic accidents.
  • 386
  • 01 Apr 2022
Topic Review
Unveiling the Hidden Effects of Automated Vehicles
The deployment of automated vehicles (AVs) has the potential to disrupt and fundamentally transform urban transportation. As their implementation becomes imminent on cities’ streets, it is of great concern that no comprehensive strategies have been formulated to effectively manage and mitigate their potential negative impacts, particularly with respect to the components of the do no significant harm (DNSH) framework recently introduced in the EU taxonomy. 
  • 384
  • 31 Jul 2023
Topic Review
Ship Autonomous Collision-Avoidance Strategies
Autonomous decision-making for ships to avoid collision is core to the autonomous navigation of intelligent ships. Related research has shown explosive growth. However, owing to the complex constraints of navigation environments, the Convention of the International Regulations for Preventing Collisions at Sea, 1972 (COLREGs), and the underactuated characteristics of ships, it is extremely challenging to design a decision-making algorithm for autonomous collision avoidance (CA) that is practically useful. Based on the investigation of many studies, decision-making algorithms can be attributed to three strategies: alteration of course alone, alteration of speed alone, and alteration of both course and speed. 
  • 382
  • 19 Apr 2023
Topic Review
Splitter-Island on Pedestrian Safety at Roundabout
Traffic accident statistics have traditionally been used to assess traffic safety. This method has severe limitations when used to investigate the impact of a particular feature of traffic facilities on safety at a microscopic level. Most previous research on surrogate safety measures (SSMs) had, on the other hand, focused on studying the safety of traffic operation conditions.
  • 369
  • 18 Jan 2024
Topic Review
Highway Safety Manual for Brazilian Multilane Highways
This research assesses the performance of Highway Safety Manual (HSM) predictive models when applied to Brazilian highways. The research evaluates five rural multilane highways and calculates calibration factors (Cx) of 2.62 for all types of crashes and 2.35 for Fatal or Injury (FI) crashes. The Goodness of Fit measures show that models for all types of crashes perform better than FI crashes.
  • 350
  • 20 Jul 2023
Topic Review
Automated Shuttle Buses
Shared Autonomous Vehicles (SAV) is an umbrella term for shared public buses and logistics vehicles, also known as robot taxis or shuttle buses. Automated shuttle buses entail adopting new technologies and modifying users’ practices, cultural and symbolic meanings, policies, and markets. This results in a paradigmatic transition for a typical sociotechnical system: the transport system. However, the focus of the extant literature often lacks an overall vision, addressing a single technology, supply chain, or societal dimension. Although systemic design can manage multiple-level and long-term transitions, the literature does not discuss how systemic design tools can support implementation. 
  • 350
  • 17 Nov 2023
Topic Review
Navigation and Communication of UAS Operating in BVLOS
Unmanned Aerial Systems (UAS) have rapidly gained attraction in recent years as a promising solution to revolutionize numerous applications and meet the growing demand for efficient and timely delivery services due to their highly automated operation framework. Beyond Visual Line of Sight (BVLOS) operations, in particular, offer new means of delivering added-value services via a wide range of applications.
  • 348
  • 31 Jan 2024
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