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Public Roads

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Public Roads

Delivering Solutions for a World in Motion

NHI is pleased to introduce the course Hot Mix Asphalt Production Facilities (Course #13144). This new course is the collaborative effort of FHWA, the American Association of State and Highway Transportation Officials (AASHTO), and private industry.

Soil Stiffness Gauge for Soil Compaction Control

As with most construction today, the emphasis on cost control and quality control of soil is prompting the implementation of mechanistic designs, performance specifications, and contractor warranties.

The Strategic Highway Research Program: An Investment That Has Paid Off

In 1987, the U.S. Congress authorized the Strategic Highway Research Program (SHRP) - a five-year, applied research initiative - to develop and evaluate techniques and technologies to combat the deteriorating conditions of the nation's highways and to improve their performance, durability, safety, and efficiency.

The Ties That Bind: The 10-Year Fight for 0.6-Inch Diameter Strands

Each year, ribbon-cutting ceremonies are held throughout the United States and abroad to dedicate majestic new bridges and highways designed to move millions of people from one place to another as efficiently and comfortably as possible. Speeches are made; photographs are taken; and much attention is paid to the latest link in the highway system serving the public.

Replacing Oakland's Cypress Freeway

Forty-two people were killed in the collapse of the double-decked Cypress Freeway in Oakland, Calif., on Oct. 17, 1989, when the Loma Prieta Earthquake rocked the San Francisco Bay Area.