Design

Engineered Unpaved Low-Volume Road TOC2
Converting degraded low-volume roads from paved to unpaved can boost safety and preserve vital transportation networks. ...
A muddy Amazon road is deeply rutted with water-filled tracks while a group of workers in helmets and safety gear stand observing the damaged surface.
For 30 years, U.S.-sponsored training for low-volume and forest road engineers has been conducted in numerous developing countries. ...
A car sprays water as it drives on a flooded, unpaved low-volume road in South Africa bordered by rows of crops and utility poles, with a speed-limit sign and scrub in the foreground.
Ensuring that low-volume roads remain functional—despite increasing environmental challenges—is essential for maintaining economic stability, improving disaster response capabilities, and safeguarding ...
A New York City street has colorful painted pavement with stone barriers and planters used for hardened daylighting as pedestrians cross the area.
New York City will use “hardened daylighting” to redesign high-crash intersections with planters and other barriers. ...
A heavy machine with large noncircular steel rollers is used for soil compaction on an unpaved road surface.
Building a low-volume road requires developing ingenuity, executing innovation, and maximizing local resources. ...
A person stands on a dusty unpaved low-volume road holding a tool while thick dust clouds rise, with fields and trees visible in the background.
Incorporating safety measures such as traffic-calming features, separation barriers, and public transit stops can enhance safety and accessibility of rural ...
Aerial view shows a three-trailer "train truck" navigating around an Oregon roundabout from west to east.
TRB's latest roundabout guide offers design and implementation guidance that align with nationwide safety initiatives. ...

Brian L. Ray and Lee Rodegerdts

Girders with lateral bracing are hoisted in place on the NE 54th Avenue Bridge near Des Moines, Iowa.
Bridge design often involves the use of complex structural analysis models. NCHRP Synthesis 620 explores the quality processes for bridge ...
Bicyclist on protected bikeway with yellow bollards in Washington, DC.
Once expected to maneuver alongside vehicular traffic, bicyclists across the United States are now cruising along in their own designated ...
Scroll to Top