Test Methods to Quantify Cracking Resistance of Asphalt Binders and Mixtures , released by the Minnesota Department of Transportation

British–Hungarian Nobel Prize physicist Dennis Gabor wrote: “The future cannot be predicted, but futures can be invented." Considering in a reasonable and logical way what the implications of new technologies may be and acting on our conclusions is how the future is invented. This is the focus of a feature article in the November-December 2020 issue of TRB's magazine, TR News (Issue 330). TR Ne...

Alkali-Activated Materials are Promising Alternatives for Reducing Roadway Emissions , released by the National Center for Sustainable Transportation at the University of California, Davis

Issue 328 of TRB's magazine, TR News , is dedicated to water and the role of transportation agencies in the stewardship of this vital resource, particularly as the way humans use water is changing dramatically. Authors explore the evolution of stormwater regulation; how departments of transportation manage water in planning, design, construction, and operations; and more. TR News  is TRB's...

There is a need to identify new or improved laboratory and field test methods to measure the electrochemical properties of earthen materials surrounding buried or embedded steel elements. The TRB National Cooperative Highway Research Program's NCHRP Research Report 958: Electrochemical Test Methods to Evaluate the Corrosion Potential of Earthen Materials presents a protocol for evaluating the c...

Issue 327 of TRB's magazine is a special edition illuminating the many hidden aspects of tunnels as well as the benefits of tunnel technology to modern transportation systems. Articles highlight the contribution of tunnels to the economy and how transportation operators use the best technology to keep tunnels efficient and safe. TR News  is TRB's bimonthly magazine featuring timely article...

Leaders and influencers at national, state, and local levels can affect change with segments of the public that are hesitant about vaccinating themselves against COVID-19. Strategies for Building Confidence in the COVID-19 Vaccines is a new rapid expert consultation from the National Academies that describes a variety of public engagement and communication strategies that can be implemented in ...

Secondary Organic Aerosol Formation from Gasoline Direct Injection Vehicles: The Impacts of Exhaust After-Treatment and Fuel Content , released by the National Center for Sustainable Transportation at the University of California, Davis

Laboratory testing and field experience have shown that highway concrete should be properly air entrained to resist the action of freezing and thawing, particularly in wet climates. Several gaps in the state of the knowledge still exist. The TRB National Cooperative Highway Research Program's NCHRP Research Report 961: Entrained Air-Void Systems for Durable Highway Concrete addresses these gaps...

Holding Strategies for Low-Volume State Routes – Phase I , released by the Iowa Department of Transportation