An important operational characteristic of an airport is the length of its longest runway. The longest runway determines the types of aircraft that can use the airport and dictates the operational limitations at the airport. The TRB Airport Cooperative Research Program's ACRP Web-Only Document 54: Development of a Small Aircraft Runway Length Analysis Tool provides a user-friendly computer tool...

The November-December 2021 issue of TR News —with a cover feature on collaboration and innovation at the MnROAD Research Facility—is available in full online. Other feature articles in the issue include Airport Cooperative Research Program guidance on best design practices for service animal relief areas, worship spaces, lactation areas, and more; developing the transportation workforce; and in...

Many technical and institutional issues related to estimating and reducing greenhouse gas emissions (GHGs) lie across a wide spectrum of the activities undertaken by state departments of transportation (DOTs). The TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 308: Methods for State DOTs to Reduce Greenhouse Gas Emissions from the Transportation Sector documents the...

The September-October 2021 issue of TR News —with a cover feature on what the transportation industry learned from 9/11—is available in full online.  Other feature articles in the issue focus on how, since the terrorist attacks of September 11, 2001 (9/11), transportation has broadened its role to include response and operations—from traffic incident management as a multiagency function to...

The 2021 Annual Report summarizes TRB’s accomplishments in each of its major program areas and how TRB has served the nation and the global transportation professional community throughout the year. TRB provides leadership in transportation improvements and innovation through trusted, timely, impartial, and evidence-based information exchange, research, and advice regarding all modes of transpo...

The July-August 2021 issue of TR News —with a cover feature on research needs for the marine transportation system of the future—is available in full online.  Other feature articles in the issue include members of the Marine Board and TRB’s Marine Group standing committees investigating critically important topics for innovation and research in, and transformation of, the marine transporta...

Although the need for a more effective set of short- and long-term transportation resilience strategies is increasingly obvious and urgent, many knowledge gaps and institutional barriers still exist. The TRB National Cooperative Highway Research Program's NCHRP Research Report 975: Transportation System Resilience: Research Roadmap and White Papers highlights significant knowledge gaps within A...

The March - April 2021 issue of TR News —with a cover feature on TRB's 100th Annual Meeting—is available in full online.  Other articles in the issue explore mobility and human trafficking, near-road air quality, and how to make safer roadway crossings for small wildlife. This is Issue 332. To subscribe to TR News, sign up through MyTRB.org. Subscription rates include postage. Subscribe ba...

Significant progress has been made over the last decade in integrating resilience criteria into transportation decision-making. A compelling case remains for investing in making transportation projects more resilient in the face of increasing and intensifying storms, floods, droughts, and other natural hazards that are combining with sea-level rise, new temperature and precipitation norms, and ...

The May - June 2021 issue of TR News —with a cover feature on diversity, equity, and inclusion (DE&I) in the transportation profession—is available in full online. Other articles in the issue highlight TRB’s initiatives addressing DE&I, along with programs within the larger transportation community, from the federal government to states to universities. This is Issue 333. To subscribe t...