Barricades on the Roads
Many Build-Operate-and-Transfer schemes in developing economies have been less than successful. Here are pitfalls to avoid and recommendations for reaching a project's full...
Infrastructure Opportunities in Chile
Chile has a stable government and a flourishing economy. The nation needs a drastic infrastructure upgrade to continue that prosperity. Capital is short, and the country is embarking on...
A Bumpy Road
The Wisconsin Department of Transportation (DOT) was among many state and local agencies to develop a comprehensive pavement management system in the late 1980s. Its system was unique...
Catchy Culverts
Franklin County, Ohio, installed box culverts in Norman Ditch to prevent flooding of surrounding homes, streets and sewer lines after heavy storms. The design team, given tight deadlines...
Los Angeles Metro-TBM Starter Tunnels-Mixed Face Conditions
Twin TBM starter tunnerls with mixed face conditions were successfully mined by roadheader with steel rib and shotcrete initial support beneath the Hollywood Freeway. Tunneling and total...
Boston's Central Artery/Tunnel Project: Challenging Problems, Innovative Solutions
Boston's Central Artery/Tunnel (CA/T) Project is the largest, most complex highway project ever undertaken in the United States. Conceived a quarter centrury ago, the project...
Rubber Meets the Road in Maine
Maine design engineers working on a $42 million highway project, faced several settlement problems in the alignment's soft soil. One of their solutions was to use 500,000...
Seismic in St. Louis
Following collapse of sections of the double-deck I-880 Cypress Viaduct in the 1989 Loma Prieta earthquake, the Missouri Department of Transportation initiated a seismic evaluation and...
Permanent Runoff Controls
The Center for Research in Water Resources at the University of Texas, Austin, Texas, conducted tests showing that grassy swales can remove pollutants from highway runoff. Many pollutants...
An Evaluation of Laboratory Test Results for the U.S. Gypsum Sight and Sound Screen System
The highway innovative Technology Evaluation Center (HITEC) serves as a clearinghouse for implementing highway innovation by providing nationally focused, collaborative evaluations of...
Saving the Bluffs: Engineering at the Edge
Erosion and landslides along the bluffs bordering the Mississippi River in Natchez, Miss. became an emergency situation when the only road to residents below the bluff was cut off from...
Highway Systems
This section provides an overview of highway systems and their components and operations. Also present is a guide for a post-earthquake investigation of highway systems....
Perfecting Bridge Inspecting
The Massachusetts Highway Department has improved the safety of its bridges and increased its productivity by using networked multimedia to gather and store a variety of data about bridges...
Intelligent Transportation Education
The comprehensive traffic surveillance study for the New York State Thruway Authority (NYSTA) began in late September 1993. The project involved the study of available traffic management...
Asphalt Update
Of the $150 million spent in the five-year Strategic Highway Research Program (SHRP), $50 million went to research to improve the durability and cost-effectiveness of asphalt pavements--on...
Habitat Preservation and Enhancement Associated with San Diego Creek Flood Control Channel Improvement
San Diego Creek, an important regional flood control channel in southern Orange County, California, flows 2.4 kilometers through the mixed-use areas of Irvine Center (San Diego Freeway...
Concept Ecology Integrated Project Engineering and Environment; Relating a Project to the Surroundings
The selected alignment of the 27.3 km long Veterans Expressway in Tampa, Florida was constructed for better access to the downtown area from a relatively rural but fast growing area of...
Mitigation Wetland Losses for a Major Transportation Improvement Project in New Hampshire
To compensate for 103 acres of wetland impact from a 17.6-mile upgrade of NH Route 101 between Epping and Hampton, New Hampshire, NH Department of Transportation (NHI)OT) and Normandeau...
Central Artery/Tunnel (CA/T) Project Environmental Permitting
The Central Artery/Tunnel Project is one of the largest public infrastructure projects in the United States. As such it poses major environmental planning and design challenges. The environmental...
Stormwater Management for San Joaquin Hills Transportation Corridor, Orange County, California
San Joaquin Hifis Transportation Corridor (SJHTC or Corridor) is one of the largest design-build toll roads in U.S.A. To meet stringent environmental mitigation requirements, to ensure...
Return to search