The impacts of truck traffic on highways in Wyoming are quantified in Operational and Safety Analysis with Mitigation Strategies for Freeway Truck Traffic in Wyoming , a report from the Upper Great Plains Institute at North Dakota State University. This report focuses specifically on climbing lanes, which result in slower travel for large vehicles that are ascending a steep grade.

Vehicle speed during adverse weather conditions is analyzed in Speed Selection During Winter Road Conditions , a report from the Upper Great Plains Institute at North Dakota State University. This report seeks to define the relationship between weather conditions (i.e. precipitation, visibility, surface temperature, relative humidity, and gust wind speed) and driver behavior.

The accuracy of travel survey data regarding minority population representation is assessed in Developing Data, Models, and Tools to Enhance Transportation Equity , a report from Portland State University. Accurate data on the mobility patterns of minorities is essential to equitable transportation planning. This report is available for no fee after logging onto the site.

The development, design, and maintenance of concrete trails is described in the Guide to Concrete Trails , a report from the Institute for Transportation at Iowa State University. The goal of this report is to provide guidance to the concrete industry, practitioners, and public agencies about concrete trails. It also hopes to lead to improvements of transportation and recreation opportunities for the general public.

The quality of different coarse aggregates are explored in Next Generation Iowa Pore Index: Phase 3 , a report from the Institute for Transportation at Iowa State University. Understanding the various properties of coarse aggregates is important to accurately predict pavement durability.

Collision threats in work zones are predicted in Design and Evaluation of a Connected Work Zone Hazard Detection and Communication System for Connected and Automated Vehicles (CAVs) , a report from the Virginia Transportation Institute at Virginia Tech. The advent of connected and automated vehicles is driving work zone safety practitioners and vehicle designers towards implementing solutions that will more accurately describe activity in work zones to help identify and communicate imminent safety hazard...

Legal considerations for data researchers are identified in Emerging Legal Issues for Transportation Researchers Using Passively Collected Data Sets , a report from the Virginia Transportation Institute at Virginia Tech. This report seeks to provide guidance to transportation researchers on the legal and ethical requirements of data protection.

Wayfinding technology is explored in A Comprehensive Examination of Electronic Wayfinding Technology for Visually Impaired Travelers in an Urban Environment , a report from Portland State University. The goal of this report is to develop integrated route planning and a guidance application that addresses the distinct information needs and expectations of individuals with a vision impairment. The report is available for no fee after logging onto the site.

Travel time on urban arterials is examined in Understanding Factors Affecting Arterial Reliability Performance Metrics , a report from Portland State University. The goal of this report is to identify factors that affect reliability metrics when assessing urban arterials. The report is available for no fee after logging onto the site.

Profiles of fuel cell vehicle buyers are ascertained in Understanding the Early Adopters of Fuel Cell Vehicles , a report from the National Center for Sustainable Transportation at the University of California at Davis. This report compares the characteristics of those who have purchased fuel cell vehicles to those who have purchased battery electric vehicles.