Articles tagged with Road Construction
A new study reveals a post-pandemic cycling boom in major cities, with fatality rates dropping by up to 88% in Paris, 82% in London, and 62% in New York City. The improvement is attributed to the expansion and improvement of cycling infrastructure, including cycleways separated from motor vehicle traffic.
A new study analyzing nearly 100 travellers' diaries reveals that turnpiking improved road conditions, reducing danger and speeding up journeys. The toll-funded system made a major contribution to the Industrial Revolution by reducing freight rates and enabling faster stagecoach travel.
Researchers examined how autonomous vehicles affect morning commutes and parking in business districts, finding that AVs could increase vehicle hours and miles traveled. Urban planners can adapt policies to accommodate AVs by adjusting parking fees or infrastructure, reducing total system cost by up to 28.5 percent.
Wavelogix, a concrete sensor manufacturer, has received a $500,000 grant from the National Science Foundation to refine and scale its Rebel concrete strength sensing system. The system enables faster, data-driven decisions through real-time concrete strength monitoring.
University of Pittsburgh engineers develop predictive models for longitudinal cracking on concrete pavements to improve road performance and reduce repairs. The project aims to create a nationwide infrastructure solution by pinpointing root causes and developing mechanistic-empirical models.
Researchers develop a novel integrated data model that merges construction and geospatial information standards to manage bridges' 3D geometry data and maintenance records. This framework enables accurate damage location assessment, repair prioritization, and predictive maintenance, leading to improved infrastructure safety and longevity.
The startup has assessed over 3,400 miles of Indiana roads using advanced computer vision algorithms to quickly and objectively assess pavement conditions. This platform provides actionable insights without requiring in-house data analysis expertise or costly hardware.
Researchers investigated the sustainability of ancient Roman concrete, finding that reproducing its recipe would require comparable energy and water, emitting similar CO2. However, Roman concrete's heightened durability might make it a more sustainable option due to reduced maintenance needs, potentially reducing environmental impact.
In a groundbreaking pilot project, South Sioux City has constructed a 4,000-foot stretch of Foundry Road using two million recycled plastic bags. This innovative asphalt blend aims to reduce plastic waste while improving road durability under varied weather conditions.
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 study analyzed per capita municipal expenditures and their correlation with population changes in small and medium-sized cities in Japan. The results revealed that prioritizing child welfare expenditures is a key strategy to sustain populations, while city planning expenditures on street maintenance and construction were also effective.
Two EU-funded projects presented digital, robotic, and other technologies for improved road monitoring and maintenance, emphasizing the need for automation, data-driven solutions, and sustainability. High-level participants highlighted the importance of collaboration and regulation in paving the way for smarter infrastructure management.
The study focuses on developing design provisions for using headed reinforcement in bridge structures, reducing construction time and costs. Full-scale experimental testing is underway at the Center for Infrastructure Renewal's High-Bay Laboratory.
A team of researchers from Aalto University has developed a bio-based binder material that can significantly reduce carbon emissions from infrastructure construction. The technology binds CO2 gas in a stable, solid carbonate form within the cementitious clay layer, making ground improvement itself carbon-negative.
A new national standard approved by AASHTO COMP uses Purdue-developed sensor technology to provide real-time data on concrete strength, potentially saving states and contractors time and money. The method aims to reduce uncertainty in determining when concrete pavement is strong enough to handle heavy truck traffic.
A new study reveals that retention ponds and wetlands can significantly reduce the amount of tyre particles entering aquatic environments, with an average reduction of 75%. The research found that tyre wear particles outweigh other forms of microplastics, but are also removed in greater quantities.
A new University of Washington study analyzed seven Vision Zero projects and found no negative impact on nearby business revenues. The research suggests that safety improvements do not come at the cost of economic viability.
A new machine learning approach combines computer vision with deep-learning algorithms to pinpoint problem areas in concrete structures. The system enables efficient identification and inspection of cracks using autonomous robots, reducing the overall inspection workload.
A study found that wildlife exits designed for ocelots in Texas were used by 10 mammal species, including bobcats and coyotes, to exit highways. The exits function as designed, but ongoing research aims to improve their effectiveness.
The University of Missouri's Missouri Work Zone Safety Center of Excellence aims to reduce fatalities and serious injuries in highway work zones through research and outreach. The center will focus on integrating emerging technologies, data analysis, and countermeasures to address distracted driving and other safety concerns.
A UCLA study found that ants' nest structures are influenced by their foraging strategies and environmental conditions, rather than evolutionary history. The researchers suggest that designing roads with dedicated lanes for trucks traveling to logistics hubs could improve traffic congestion.
A sensor embedded in concrete allows for more precise data on pavement strength, reducing the need for repairs and improving road sustainability. This technology has been implemented in several states, including Indiana and Texas, to reduce traffic delays and save taxpayer dollars.
The study found that pavement skid resistance is crucial in reducing bicycle and electric scooter crashes. Pavements with higher skid resistance, such as asphalt and concrete, are recommended for bike lanes to minimize the risk of falls and collisions.
Researchers uncover ancient manufacturing strategy that incorporates self-healing functionalities into Roman concrete. Hot mixing process allows for faster construction and enhanced durability through spontaneous cracking and recrystallization.
A quarter-mile segment of the Klamath Geo Trail was successfully resurfaced using volcanic ash from Mount Mazama, demonstrating its potential as a more sustainable and locally sourced pozzolan. The surface treatment improved firmness and stability, making it accessible to people with mobility devices.
Researchers develop an algorithm to automate feature extraction from HD maps and point cloud data. The model achieved high precision in detecting road signs and traffic lights, with zero false detections.
Researchers developed an intelligent compaction technology that integrates into a road roller, assessing real-time the quality of road base compaction. This improves road construction, reducing potholes and maintenance costs, leading to safer and more resilient roads.
Researchers estimate that opening protected areas to mining would lead to the destruction of 183 km² of forest and further loss of 7,626 km² due to infrastructure construction. The study highlights the need for strategic planning and environmental impact assessments before making changes to conservation policies.
A study published in the Transportation Research Record found that wildlife crossings in Washington state can reduce wildlife-vehicle collisions, saving lives and money. The research analyzed collision data from 2011 to 2020 and found a significant reduction in deer-related crashes near bridges.
Researchers at Gauhati University studied roadkill on a 64-kilometer stretch of National Highway 715 in India's Kaziranga-Karbi Anglong Landscape. They found dramatic mortality rates among frogs, toads, snakes, and lizards, with over 6000 animals killed annually.
Researchers from the University of Birmingham have successfully used a quantum gravity gradiometer to detect an object hidden below ground, marking a significant milestone in the development of this technology. The breakthrough could lead to faster, cheaper, and more comprehensive underground mapping, with potential applications in ind...
Researchers developed a new technique using radar altimetry to measure river ice thickness and predict safe travel dates on ice roads and bridges in arctic regions. This method can help sustain the network of ice roads built on frozen lakes and rivers, critical for northern communities' food security.
A recent review highlights the devastating impact of permafrost thaw on infrastructure in the Arctic region, with damages ranging from less than 10% to as high as 80%. The region's transport and pipeline networks are particularly vulnerable, with costs projected to exceed 30 billion euros by 2060.
A study of nearly 35,000 routes found that traffic speeds under 20mph are most likely to encourage cycling, with higher speeds deterring commuters. The research also highlights the importance of cycle paths and separates roads for encouraging more cycling.
Researchers developed a robust, deep neural network model to analyze automobile traffic impacts of construction zones. The model estimates hourly traffic volumes without adjustment factors, helping transportation agencies plan for efficient work zone operations.
Researchers have discovered a Roman road submerged in the Venice Lagoon, indicating potential permanent settlement and connections to wider Italian Veneto Region. The findings suggest that the road may have been used by travellers and sailors, providing new insights into ancient trade routes.
A new project, Future Green Construction Sites, is being launched in Denmark to demonstrate elements of a green construction site of the future. The project involves experts from six companies and researchers from Aarhus University, who will test various climate-friendly initiatives to promote a green transition for construction sites.
A new material combines recycled concrete aggregate and rubber in a mix precisely optimised to meet road engineering safety standards. The blend is more flexible than standard materials, making roads less prone to cracking and delivering both environmental and engineering benefits.
Researchers from Chalmers University of Technology found that emissions from road construction could be halved using today's technology, including transport optimisation, recycling and reuse of excavation masses, material efficiency and design optimisation. The study also highlights the importance of replacing cement clinker as a binde...
Researchers used lidar technology to study the ancient Maya road, revealing over 8,000 tree-shrouded structures along its 100-kilometer length. The road connected two cities, Cobá and Yaxuná, and was built to incorporate preexisting settlements, suggesting a geo-political motivation.
Research by North Carolina State University's Rich McLaughlin team found that tilling and adding amendments to soil can greatly improve infiltration rates, reducing runoff and water pollution. Grasses and wildflowers also showed promise in improving infiltration, with wildflowers potentially providing additional benefits for pollinators.
Researchers in Kazakhstan create a composite material using local loam and industrial waste to build road foundations, showing high water and frost resistance. The new material could prolong road life span by two times and be used for various building materials, reducing environmental pollution.
A new study suggests that road construction in the Serengeti could lead to increased poaching and land conversion, contradicting proponents' claims of economic growth. Local communities prefer traditional livelihood activities over new wage-earning opportunities.
Researchers have created a new building material that produces Majorana particles, which could lead to the development of faster quantum computers. The breakthrough enables the mass production of nano wires with Majorana properties, paving the way for more efficient computing.
A study by Indiana University forecasts that vehicle mileage tax would generate more revenue than indexing gas taxes to inflation or applying sales taxes. Fuel tax revenue will decline by up to 50.5% between 2015 and 2040 if not adjusted for inflation.
Researchers at Concordia University developed a new modelling method to analyze the scheduling of reconstruction work in complex infrastructure projects. The technique uses 4-D simulations to coordinate traffic flow with demolition and construction activities, eliminating potential clashes and saving time and money.
The temple of Angkor Wat has been found to be significantly larger and more complex than previously believed, featuring an entire ensemble of buried 'towers' and a massive structure bounded on its south side. The discovery challenges traditional understanding of the social hierarchy of the Angkor Wat community.
A NUS-led study found that protected areas in Indonesia are ineffective in slowing down deforestation, instead suggesting the implementation of road monitoring, logging control, and alternative livelihoods to support conservation. The research highlights the need for more effective measures to tackle deforestation in the country.
The Southfork Complex fire began with a lightning strike on July 31, 2014, affecting 62,476 acres to date. Crews are utilizing helicopters for bucket drops and constructing indirect lines to secure the perimeter of the fire.
The Rim Fire in California has burned over 192,000 acres, with 30% containment achieved through aircraft and water/chemical dumping. Large burnout operations are planned for the southeastern edge of the fire in Yosemite National Park, hampered by remote terrain and extreme fire behavior.
Fire crews worked to contain the Rim Fire in California, spotting across the line near Duckwall Ridge and expanding evacuations along Highway 108. NASA's Terra satellite captured images of the fire's spread, highlighting the need for heavy aircraft support to slow its progress.
The 119,543-acre Pony Complex fire is now 20 percent contained, with two cabins destroyed in Syrup Creek. Firefighters are making progress in containing the southern portion of the fire, while the Beaver Creek Fire continues to spread into Deer Creek. Multiple residences have been defended and road closures are in effect.
A UT Arlington civil engineering professor is assessing the performance constraints to safe operation and design for a high-speed train's average speed and overall system cost. The study focuses on using existing TxDOT right of way, following routes such as Interstate 45 between Dallas and Houston.
The Meador Kansas Ellis Trail project in Bellingham, Washington, has received the world's first official 'Greenroad' certification from Greenroads. The project incorporates over 400 recycled toilets and up to 80 tons of recycled concrete into its design.
A Spanish researcher reveals that the country's transportation infrastructure is built radially around Madrid, contrary to economic and productive activity. The network was primarily funded by the state budget, and investments are made in routes with commercial activity through tolls or private levies.
A new study by the University of Leeds reveals that major roads have a detrimental impact on bat populations, reducing activity and diversity. The research shows a strong correlation between distance from the road and bat activity, highlighting the need for effective mitigation measures to protect these protected species.
Researchers are testing new technologies that detect hard and soft spots in roadbeds, allowing for more efficient and effective foundation construction. The mobile lab's work could also be applied to the construction and monitoring of earthen levees to improve stability and reduce costs.
Greenroads aims to recognize companies using sustainable methods, provide ideas for greener practices, and offer incentives for environmentally friendly roads. The system allows up to 118 points for voluntary actions, including noise mitigation, storm-water management, and waste reduction.
Researchers found that tiny fluctuations in car-road density cause a chain reaction leading to traffic jams. A critical density threshold exists, and once exceeded, gentle braking causes a standstill.
A University of Wisconsin-Madison researcher used historic aerial photographs to track road density and found that invasive species can colonize roads within up to 60 years. Forest managers can employ proactive monitoring and quick action to mitigate the impact of roads on native plant life.