Tag: infrastructure

Investigation of Key Automated Vehicle Human Factors Safety Issues Related to Infrastructure

  • April 8th, 2025

This study examined the degree to which an in-vehicle signal countdown timer influenced human drivers’ intersection approaching behaviors and decisionmaking. Secondarily, the study compared intersection approaching behaviors between human drivers and automated shuttles. The research team further simulated predicted behaviors of human drivers at lower speeds and predicted behaviors of shuttles at higher speeds. The […]

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Critical Issues in Transportation for 2024 and Beyond

  • February 25th, 2025

Critical Issues in Transportation for 2024 and Beyond highlights some of the many multi-faceted, interdependent challenges in maximizing transportation’s role in serving societal goals while minimizing its costs. It identifies issues and raises concerns that can be addressed through research and development and policy decisions but does not offer recommendations by design. Read the full article […]

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Making Good on the Potential of the Bipartisan Infrastructure Law

  • January 30th, 2025

Since the passage of the Bipartisan Infrastructure Law (BIL), a once-in-a-generation opportunity to rebuild our nation’s infrastructure, every state and region of this country has seen historic federal investments announced in roads and bridges, ports and airports, trains and transit. To date, more than $570 billion in BIL funding has been announced for more than […]

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Feasibility of 3D Printing Applications for Highway Infrastructure Construction and Maintenance

  • November 25th, 2024

In recent years there has been a significant increase of the interest in additive manufacturing (AM; also frequently referred to as 3D printing), yet AM is largely unexplored within infrastructure projects. By harnessing the new capabilities of AM, researchers have managed to access unprecedented new design capabilities and operational flexibility (e.g., on-demand, tool-free production). This […]

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DOT Should Improve Transparency in the Infrastructure for Rebuilding America Program

  • January 29th, 2024

In September 2022, the Department of Transportation (DOT) awarded $1.5 billion in discretionary grants to fund nationally and regionally significant freight and highway projects through the Infrastructure for Rebuilding America (INFRA) program. In fiscal year 2022, DOT combined some phases of the INFRA grant award process with those of two other discretionary grant programs. Specifically, […]

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