Swirl Concentrators Revisited. The American Experience and New German Technology
The Swirl Concentrator is a small, compact, 'no moving parts' solids separation device. Its function is to act as as a static combined sewer overflow (CSO) regulation...
Source Control of Oil and Grease in an Urban Area
We explored a variety of techniques to remove oil and grease from urban stormwater runoff. Previous work has shown that relatively high concentrations and substantial mass loadings of...
Long-Term Effects of Urban Stormwater on Wetlands
In 1986 scientists and managers associated with local, state, and federal agencies that have wetland protection and stormwater management responsibilities in the region joined to consider...
Civil Engineering at the Threshold of the 21st Century: Focus on the Emerging Professional Environment
The development of America's surface transportation into the 21st century confronts the civil engineer with a distinctively new challenge arising from the twin demands of...
Implementing a State PMS
Arizona State Pavement Management System (PMS) is described in this paper. Experience shows that many factors must be considered in deciding how to maintain a particular mile of the road...
Future Federal Pavement Policy
Pavement design is entering a new era of increased attention and research insight. Since most of our pavements are in place and under traffic, much of future design will be for their rehabilitation...
America's Changing Demographics: Impacts on Transportation Requirements
Present and future demographic changes in the United States will significantly impact future transportation requirements. These changes include a redistribution of the nation's...
21ST Century T2 for Local Transportation Managers
A plausible scenario to 21st Century technology transfer for local road and street managers is presented. The future needs of local managers and their level of expertise is addressed within...
Innovation?The Key to Local Roads Survival
The pressure of trying to get the job done within a limited budget have forced innovations in field operations to support local roads systems. This paper lists a few examples of innovations...
Highway Facility Planning for the 21st Century
This paper deals with the highway facility planning for the 21st century. Some of the forces that likely will influence transportation in the 21st Century are: the availability of energy,...
Advanced Heavy Vehicle Management Systems
This paper describes a program designed to bring to bear emerging technologies in an integrated system to facilitate heavy vehicle management (HVM). One major initiative is the Heavy Vehicle...
Financing Highways in the 21st Century
The Nation's sustained economic growth will depend heavily on productivity increases and efficient transport infrastructure is a key component. Future population and travel...
Advanced Vehicle Command and Control System
The Advanced Vehicle Command and Control System (AVCCS) is being developed to solve capacity problems on major urban highways using automation and current technology. The objective of...
Future of Quality Assurance
There is an increasing awareness by the State highway agencies of the need for quality in construction. In addition, there is a recognition that quality management programs can be beneficial...
CARTS: Next Generation in Vehicle Safety Research
The California Automotive Research Test Site (CARTS), is a new joint test facility for use by the California Department of Transportation (Caltrans) and the University of California at...
Graduate Education and Highway Research Needs in the 21st Century
A number of significant challenges face highway engineers in the 21st Century. Large growths in traffic volumes and alarming increases in congestion are already problems in many of our...
Promoting Career Opportunities in Highway Engineering
The shortage of transportation professionals is an issue which is receiving increased attention by the engineering profession. Recent civil engineering enrollment statistics compiled by...
Innovative Contracting Procedures
The design and construction of the transportation infrastructure is becoming more complex, especially as new products and procedures are becoming available. Some highway agencies are tending...
Innovative New Developments in Concrete Slipform Paving Equipment for the 21st Century
The Surface Transportation Assistance Act of 1982 gave new life back to the concrete paving industry by bringing a welcomed and necessary increase in the volume of concrete paving work....
Portland Cement Concrete Pavement in the 21st Century
The future of Portland Cement Concrete Paving in the 21st Century holds vast challenges that we as industry must be ready to tackle head on. Looking ahead, we see an even more vital role...
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