When Morocco’s highway company, Autoroutes Du Maroc (ADM), undertook a highway bypass project in 2010 that would cross the Bouregreg River, they could have built a traditional viaduct. Instead, they set out to construct Africa’s longest and tallest cable-stayed…
Road Innovations Improve Productivity, Increase Efficiency, Reduce Risk and Add Value
Road networks globally continue to require substantial investment in order to maintain safe passage for the traveling public. Funding continues to be…
Specification Section: Foundation Modeling and Materials
The foundation is the start of all structural projects. There are many software tools to analyze and optimize this critical component, and there are many…
Bridging the Gap Between Inspections and Decisions
Bridge safety hasn’t always been top of mind for legislators in the United States. The impetus for creating standards and collecting information on how structurally sound the bridges in this country was the collapse of the Silver Bridge in 1967, which spanned…
Self-Propelled Bridges: Offsite Superstructure Construction Reduces Interruption
The Wisconsin Department of Transportation (WisDOT) is in the midst of a major project to rebuild the I-94 North-South freeway, one of the state’s most frequently used roadways. The freeway is being widened to eight lanes from the Wisconsin/Illinois border…
Mobile LIDAR Systems and Services Guide
Mobile light detection and ranging (LiDAR) systems represent a new level of automation and accuracy for surveying roads, including route inventory, bridge structures, bridge clearance and highway-pavement surveys. Vehicle-mounted laser scanner systems have…
Overcoming Challenging Suspension Bridge Design and Engineering
Long-span suspension bridges represent some of the most remarkable, yet most vulnerable, assets in road networks. Due to their important role in the transportation network, the design, construction, and subsequent monitoring and maintenance must be performed…
Three Ideas That Are Likely to Change the Way DOTs Work
It has been 100 years since the American Association of State Highway and Transportation Officials, or AASHTO, was conceived by visionary leaders. In this significant anniversary year, we acknowledge innovations and achievements that have changed the way transportation…
Caltrans Adds Intelligence with the I-80 Integrated Mobility (ICM) Project
The Interstate 80 Integrated Corridor Mobility (ICM) project will bring innovative congestion relief and safety improvements to the I-80 corridor from the Carquinez Bridge to the Bay Bridge. The project is expected to reduce the impacts of both commute and…
