The Mineta Transportation Institute at San Jose State University has released a report that explores creating quantifiable indices to monitor the safe operations and movement of fleets of autonomous vehicles (AV) in restricted highway-like environments. Specifically, this report focuses on creating ad-hoc rules for monitoring lateral and longitudinal movement of multiple AVs based on behavior t...

The National Center for Sustainable Transportation at the University of California at Davis has released a report that develops a freight system conceptualization and impact assessment framework of freight movements in California. The freight system is a key component of California’s economy, but the freight system is so complex and multifaceted, that evaluating or assessing the potential impac...

The Center for Transportation Studies at the University of Minnesota has released a report that evaluates the performance and position accuracy of driver assist systems for plowing. Snowplow operators are often tasked with numerous monitoring and operational activities that happen simultaneously in order to remove snow and spread deicing agents on the road.

The latest edition of Research Pays Off explores the Georgia Department of Transportation (DOT)'s use of alternative delivery methods to compress and accelerate the delivery of projects from engineering through construction through public–private partnerships (PPPs) and design–build (DB) methods.This article discusses the legislation that allowed Georgia DOT to build partnerships with private f...

The Institute for Transportation at Iowa State University has released a report that discusses the development of a new Intelligent Highway Management System (IHMS). The IHMS can extract specific incident-relevant record data from high-dimensional, high-volume time series datasets. It can also analyze online traffic-related data for incident diagnosis/identification and create autonomous optimi...

A featured article in the July-August 2018 issue of the TR News investigates how risk is addressed in both the traditional project delivery method and in alternative project delivery methods used by departments of transportation across the country.  The TR News is TRB's bimonthly magazine featuring timely articles on innovative and state-of-the-art research and practice in all modes of tra...

A featured article in the July-August 2018 issue of the TR News examines the latest application and implementation of alternative contracting methods for faster project delivery of transportation infrastructure. The TR News is TRB's bimonthly magazine featuring timely articles on innovative and state-of-the-art research and practice in all modes of transportation. It also includes brief news it...

TRB's National Cooperative Highway Research Program (NCHRP) Research Report 881: Traffic Control Devices and Measures for Deterring Wrong-Way Movements provides an analysis of factors associated with wrong-way movements on unsignalized divided highways and freeways. The divided highway analysis focuses on design, signage, and roadway markings, while the freeway analysis emphasizes the effective...

Austroads has released a report that describes key issues and considerations related to the operation and maintenance aspects of road tunnels, including the factors necessary in setting appropriate performance standards. It is the third in a series of guides to road tunnels. The report is available for no fee after logging onto the site.

The U.S. Federal Highway Administration has released a report that provides guidance on recognizing which noise measurement methodologies apply to which project types. This report also explains how to plan a noise measurement program and describes measurement methodologies and related considerations related to highway noise.