Live Webcast Event : December 6, 2018 at 11:00 AM EST TRB Special Report 329: Renewing the National Commitment to the Interstate Highway System: A Foundation for the Future explores pending and future federal investment and policy decisions concerning the federal Interstate Highway System. Congress asked the committee to make recommendations on the “features, standards, capacity needs, applica...

The Virginia Department of Transportation has released a report that defines guidance for selecting the appropriate left-turn mode based on prevailing traffic conditions by time of day. This report focuses on flashing yellow arrows indicating permissive movement. Selection of the left-turn phasing mode is a significant decision for the safe and efficient movement of left-turning traffic at sign...

The U.S. Department of Transportation’s Office of the Inspector General has released a report that assesses the causes of En Route Automation Modernization (ERAM) outages and the Federal Aviation Administration (FAA)’s actions to address them. The ERAM system is used to manage more than three million aircraft each month. Because of ERAM’s importance to air traffic management, system outages can...

TRB's Airport Cooperative Research Program (ACRP) Legal Research Digest 36: Legal Issues Related to Implementation and Operation of SMS for Airports provides a review of potential legal issues, an in-depth analysis of identified issues, and the benefits experienced by airports that develop and operate a Safety Management Systems (SMS). Implementation of SMS in the airport and aviation sector ha...

TRB's Airport Cooperative Research Program (ACRP) Research Report 188: Using Existing Airport Management Systems to Manage Climate Risk integrates current and projected climate change related risks into airport management systems and planning. The handbook identifies ways to reduce airport vulnerabilities to current and projected impacts of climate change, including extreme weather events. It a...

The full edition of the July–August 2018 TR News is now available. This edition examines 20 years of research and TRB activities on alternative contracting methods (ACM) and success stories from implementing research innovations. Explored are pioneering tools and contracting techniques used by state departments of transportation such as Georgia and Colorado, along with tested project delivery m...

TRB's National Cooperative Highway Research Program (NCHRP) Research Report 896: Updating Regional Transportation Planning and Modeling Tools to Address Impacts of Connected and Automated Vehicles, Volume 1: Executive Summary summarizes guidelines to help agencies update their modeling and forecasting tools to address expected impacts of connected and automated vehicles (CAVs) on transportation...

TRB has released a prepublication version of Critical Issues in Transportation 2018. In this report, which is updated periodically by the TRB Executive Committee, a series of challenging questions are posed to explore issues and opportunities that may arise 10 to 20 years into the future. These questions, 63 in all, have been organized into 12 topic areas and provide a way to frame future areas...

TRB's Airport Cooperative Research Program (ACRP) latest Impacts on Practice explores the impact ACRP Synthesis 39 : Airport Wildlife Population Management has had on integrated wildlife management plans at airports. A wildlife biologist at Orlando International Airport utilized this report to develop a holistic approach to mitigating bird strikes with a specific species of heron that thrives i...

The Center for Transportation Research at the University of Texas at Austin has released a report that evaluates the effectiveness of active traffic management (ATM) strategies for freeway corridors. ATM strategies rely on real-time traffic observations to regulate the flow of traffic, and are considered a tool for congestion mitigation.