Articles tagged with Transportation
A new study identifies the barriers to vehicle-to-grid (V2G) adoption, including coordination problems, limited infrastructure, and varying regulations. V2G technology can provide backup power during periods of high energy demand and earn EV owners money for supplying energy to the grid.
Subway systems are consistently reporting thermal discomfort due to the rising heat, with complaints increasing by 10-27% for every 1 degree Celsius above 10 degrees Celsius in Boston, New York, and London respectively. The study aims to help transit agencies anticipate extreme heat and implement targeted mitigation strategies.
Researchers at Texas A&M University and DEVCOM Army Research Laboratory developed a hybrid foam with a 3D-printed plastic skeleton, offering tunable, lightweight and ultra-durable properties. The composite combines ordinary foam with plastic struts, allowing it to absorb more energy and withstand greater forces.
Residents of favelas in São Paulo exhibit less daily movement variability than those living in formal areas with similar incomes. Despite higher economic conditions, infrastructure challenges impact mobility access and stability. The study uses mobile phone data to analyze movement patterns over several weeks.
A new study by SMART has identified a strong statistical association between global air connectivity and patterns of multinational corporations' investments. The research found that few layovers meant more subsidiaries, with cities having better flight connections to influential hubs outperforming those with less-connected destinations.
The article highlights the psychological demands of self-driving cars on human brains, citing Professor McLeod's research and personal experience. He emphasizes the need for clearer interfaces, simulation-based training, and updated driving tests to address these challenges and ensure safe automation uptake across society.
A new model maps foot traffic in New York City, providing insights into pedestrian activity and hazard locations. The study reveals high densities of foot traffic outside Manhattan, with many streets having similar foot-traffic levels to Manhattan's busiest areas.
A new study from the University of Michigan found that used electric vehicles (EVs) currently offer the lowest lifetime cost of ownership, with significant savings for drivers. The researchers analyzed virtual vehicle models, monthly gas and electricity prices, and Craigslist data to determine the total cost of ownership for different ...
A study from Linköping University finds that locally produced green hydrogen is cheaper to produce at southern latitudes due to favorable solar energy conditions. The cost of green hydrogen production varies across European countries, with Nordic nations facing higher costs due to lack of sunlight.
NEXMO Datahub is a mobility data space that enables secure and reliable data exchange between public and private organizations, fostering innovative solutions for smarter and more sustainable mobility. The platform aims to accelerate the digital transformation of the sector through data sharing among key stakeholders.
A study by Seoul National University of Science & Technology found that expanding hydrogen fuel cell heavy-duty trucks could reduce carbon dioxide emissions by approximately 8.74 million tons. Public willingness to pay for this transition amounts to KRW 572.4 billion, far exceeding the prevailing carbon credit price.
Researchers are tackling vibration risks in maglev trains by developing control strategies that incorporate robust control, adaptive algorithms and artificial intelligence. Matching the dynamic characteristics of vehicle, guideway and control system is crucial to suppress vibrations.
A new study by MIT researchers reveals that cities with strong airline connections are more likely to attract multinational firms, particularly in knowledge industries. The study analyzed 7.5 million firms in 800 cities and found that direct flights lead to a 20% increase in subsidiaries, compared to cities with only one-stop connections.
Contrails formed from plane exhaust meet icy air, growing into threads that trap heat and contribute to warming the planet. Combining images from geostationary and low-Earth-orbiting satellites may provide a more complete picture of contrail life and radiative properties.
A new framework reveals that compact, mixed-use districts like One-North are designed to generate cleaner travel patterns, but the reality is more complex. Emissions hotspots were identified at major arterial roads, weaker transit-accessible edges of districts, and busy corridors like North Buona Vista Road.
A new method analyzes nearby vehicle motion to estimate road's trajectory and vanishing point, capturing distant road areas and enhancing safety. The system outperformed conventional and deep learning-based techniques in tests under day and night conditions, reducing intersection-related accidents.
A Bar-Ilan University study suggests that incorporating more walking into daily commutes can improve health without adding extra travel time. By increasing the walking distance thresholds in trip planning, researchers found that most commuters could benefit from an average of nine minutes of walking per day.
Researchers found that optimal conditions, such as cool weather and heavy traffic, minimize postharvest losses for California processing tomatoes. The study analyzed 1.4 million truckloads of tomatoes between 2011 and 2020, finding modest losses despite rising temperatures.
A new poll suggests that more than 80% of people over 65 drive at least weekly, but less than half have made a plan for when they can no longer drive safely due to health changes. Only 6% of older drivers have discussed their driving with a healthcare provider.
Researchers at Pusan National University have developed a new framework for predicting vessel turnaround time by leveraging queuing-based operation indicators. This dynamic approach captures time-varying fluctuations in port operations, offering a more accurate and actionable forecast.
Research by University of Birmingham scientists reveals that lower-income individuals are more likely to own cheaper, higher-emitting vehicles contributing disproportionately to local urban air pollution. Spending an additional £10,000 on a diesel vehicle is associated with a 40% reduction in nitrogen oxide emissions per litre.
A new study shows that while digital access improves daily life activities and sustainability outcomes, it cannot fully replace physical services. The research team developed an innovative evaluation framework to quantify the quality of life in smart cities, highlighting the need for a balance between real-world community support and d...
According to a new study, humans travel for approximately 1.3 hours per day, regardless of their location or socioeconomic status. This constant travel time is influenced by psychological desires and practical limitations, resulting in a convergent range of travel times across different modes of transport.
Researchers explore using municipal solid waste as a low-emission, cost-effective feedstock for sustainable aviation fuel, reducing greenhouse gas emissions by 80-90%. The study suggests that adopting municipal solid waste-based jet fuels could save airlines money under carbon pricing systems.
Researchers at ISTA quantify the environmental impact of international conference travel, finding that train travel can significantly reduce carbon emissions. The study shows that traveling to an overseas conference generates a substantial carbon footprint of four to five tons per participant.
A new study from the Complexity Science Hub found that European cities with a metro system have a significant reduction in car use, with an average of 37% of car trips compared to 50% in cities with only trams and 54% without rail. In contrast, tram cities show no measurable impact on reducing car use.
A new physics-based approach predicts how lightning strikes aircraft, identifying vulnerable regions for protection. The tool can be applied to any shape of aircraft, including unconventional designs.
A policy-specific assessment framework evaluates integrated effects of emission control policies on greenhouse gas mitigation, air quality improvement, and public health protection. China's on-road transportation policies have achieved remarkable progress but face weakening synergies, underscoring the need for deep structural transitions.
A new drive system with individual gearbox control on each wheel improves wheel grip and enables exact speed compensation when cornering. This allows vehicles to move safely in challenging terrains, such as steep slopes and uneven ground. The technology is suitable for emission-free drives and preserves the conventional drivetrain.
Researchers developed a novel framework to capture dynamic nature of social networks, finding that scattered seeds of connections only grow when nourished, while policy restrictions can cut network growth by almost one-third.
Researchers investigated whether cut flowers from Africa could spread livestock viruses through tiny biting midges. While no midges were found in packaging or transport areas, the study highlights potential risks and suggests measures to reduce them.
A study by UMass Amherst researchers found that nearly a quarter of MA drivers run through the red light at pedestrian hybrid beacons. Drivers also often stop too soon or fail to slow down during flashing yellow phases, causing confusion and potential safety issues.
MIT researchers developed a new framework that helps engineers design complex systems explicitly accounting for uncertainty. The framework allows them to model the performance tradeoffs of a device with many interconnected parts, each of which could behave in unpredictable ways. This approach can help engineers develop complex systems ...
A study by Osaka Metropolitan University reveals that community involvement is a powerful driver of acceptance among people with poor health. The research found that increasing the density of stops in residential areas can make demand-responsive transport more accessible to those with limited mobility. The study's findings suggest that...
A study found that longer commutes and smaller living spaces are associated with poor sleep health among Tokyo residents. Housing choices that balance location and size may help improve sleep health, according to researchers at Osaka Metropolitan University.
A new study by Portland State University's Transportation Research and Education Center (TREC) reveals that transit-oriented developments (TODs) in the Portland metro area generate significantly fewer car trips than previously estimated. At affordable housing sites, car trips were reduced to only a quarter to two-fifths of expected rates.
A recent study published in the Journal of Safety Research found that rented e-bikes have an eight times higher crash risk than rented e-scooters, calculated based on trip distance. The researchers used GPS data to compare micromobility in seven European cities and found a surprising result.
Researchers from Shandong Technology and Business University survey the latest AI-powered techniques to fill in missing traffic data gaps. The study categorizes and compares leading data imputation methods, offering a clear roadmap for researchers and city planners to improve traffic management and smart city operations.
A new study from the University of Michigan analyzed 35 different vehicle combinations and found that EVs have lower emissions over their lifetime than any other vehicle type in every county in the contiguous US. The lowest emission vehicle class was the compact sedan BEV with a range of 200 miles.
A transportation system management and operations data exchange solution will be developed by SwRI for the North Central Texas Council of Governments. The platform aims to enhance mobility, safety, and infrastructure management in the region. It will serve as a regional clearinghouse for real-time transportation system data.
Scientists at Yokohama National University have created a device that uses acoustic levitation and a squeeze film to move objects without friction, enabling fast and precise transport of small parts. The device was tested on an inclined surface and showed successful movement with weights up to 43 grams.
A large-scale modeling study led by MIT researchers reveals that dynamically adjusting vehicle speeds can cut annual city-wide intersection carbon emissions by 11-22%. Implementing eco-driving measures could also result in a 25-50% reduction in CO2 emissions if only 10% of vehicles adopt the technology.
The Illinois Tech EV Readiness Community Awards celebrate local governments leading the transition to electric vehicles, with a focus on energy innovation and sustainability. The university's campus-wide transformation showcases its resilience and sustainability as a model for urban energy systems of the future.
A study found that users who exchanged daily walking steps for digital train tickets increased their walking by an average of 626.2 steps/day. Those using shopping coupon incentives walked 715.2 steps/day more on average than non-users. The results suggest effective promotion of active travel through well-designed mHealth apps.
A Safe Systems Approach emphasizes that road users, designers, operators, policymakers, administrators, and healthcare professionals all have a role to play in reducing fatalities. By adopting this approach, countries can realize significant success in eliminating roadway deaths, but full commitment from stakeholders is necessary.
The Michigan Air Mobility Research Corridor will test advanced air mobility technologies, including battery-powered aircraft and autonomous systems. The corridor, spanning 40 miles from Ann Arbor to Detroit, aims to enable safe and efficient flight testing.
A comprehensive report cataloging the most widespread and damaging drought events since 2023 reveals food, water, energy crises and human tragedies. The 'Drought Hotspots Around the World 2023-2025' report underscores the need for systematic monitoring of drought's impacts on lives, livelihoods, and ecosystems.
A new study confirms that dockless bike-sharing significantly increases household consumption, especially in dining-out expenses, by 3.9-6.8%. This boost is attributed to reduced commuting costs, increased leisure time, and improved access to lifestyle services.
A new process using seawater and recycled soda cans can produce green hydrogen with a low carbon footprint comparable to other green hydrogen technologies. Researchers found that the overall emissions of this method are on par with those of fossil-fuel-based processes, making it a scalable and sustainable option for energy production.
Researchers analyzed two years of data on electric buses in Ithaca, finding batteries consume 48% more energy in cold temperatures. Short-term strategies include storing buses indoors and limiting door opening time to improve performance.
A new study by Virginia Tech Transportation Institute found that teen drivers who practiced more had 30% fewer crash or near-crash incidents. Researchers analyzed data from 82 teen drivers monitored for 22 months, revealing that supervised driving experiences and safety education are crucial for reducing novice driver risks.
Aston University researchers are investigating the use of AI in creating greener cities, exploring policy tools to reduce emissions and optimize transportation. The project aims to develop decision-support tools for policymakers to improve urban infrastructure management and reduce environmental hazards.
Researchers at UCF used a combination of emerging technologies to evaluate the safety of concrete bridges. By combining infrared thermography, high-definition imaging and neural network analysis, they can quickly identify defects and prioritize repairs.
A new study from the Hebrew University explores middle-class parents in Israel who choose to live car-free due to personal values like promoting children's independence and maintaining a healthy lifestyle. These 'outlier' families offer valuable insights into reducing society's dependence on private vehicles, highlighting instrumental ...
A study by researchers at Incheon National University found that pedestrian and roadside facilities have a substantial direct effect on crash outcomes, particularly for run-off crashes. The team suggests prioritizing these modifiable operational features in road safety strategies to improve safety.
A synthetic lichen system developed by Texas A&M researchers enables concrete to heal itself without outside intervention. This innovation uses cyanobacteria and filamentous fungi to produce crack-filling minerals, setting it apart from previous self-healing concrete endeavors.
A systematic review reveals that spatio-temporal big data applications in transportation resilience studies are most developed in quantitative assessment, but significant gaps remain in real-time monitoring and early warning systems. The study identifies the need for improved data integration frameworks and interdisciplinary cooperatio...
A new AI-powered training platform is being developed to simulate pipeline incidents and provide real-world scenarios for pipeline operators. The platform will use artificial intelligence to create a realistic environment where teams can practice handling hazardous conditions and responding to emergencies.
A study of over 500 schools in Canada found that 98% exhibit risky driving behaviors, including double parking and not obeying traffic controls. The authors suggest improvements to the built environment and parental education to address this serious issue.
Risky driving by parents and motorists during school drop-offs is a widespread issue, with 98% of elementary schools witnessing unsafe behavior. Experts suggest improvements to the built environment around schools to address this serious concern.