Aeration
A Wastewater Treatment Process
This manual summarizes current aeration practices in wastewater treatment, and includes both theoretical and practical guideline for the design and operation of such unit processes. The...
Technological, Hydrological and BMP Basis for Water Quality Criteria and Goals
Water quality criteria and goals may be addressed through at least four means: institution of 1) technology-based controls, 2) best management practice (BMP) based controls, 3) water quality...
Federal Requirements for Storm Water Management Programs
The Water Quality Act has provided the Environmental Protection Agency with the framework for developing a comprehensive storm water management program. The initial phases of the program...
A View from the Middle ? Water Quality Act of 1987: Problems and Possibilites for the Design Professional
Stormwater management has traditionally been viewed as a water quantity concern. The Clean Water Act requirement for future permitting of stormwater discharges will dramatically alter...
A View from the Bottom: Challenges and Prospects
This presentation addresses the Water Quality Act of 1987 (WQA) as it pertains to National Pollutant Discharge Elimination System (NPDES) permits for municipal separate storm sewers. Regulations...
Institutional Aspects of Stormwater Quality Planning
Planning and implementation of programs to control the quality of stormwater runoff in urban areas are carried out within institutional frameworks that directly influence the effectiveness...
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...
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...
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...
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...
Safety on 21st Century Highways
Consistently high geometric design standards, adequate pavement skid resistance, drainage and markings, and appropriate signing, delineation and lighting all reduce the potential for driver...
Program on Advanced Technology for the Highway (PATH)
This paper describes a program of research, development and demonstration of advanced technologies for the automobile/highway system created in California, under the general direction...
Roadside Safety Design for the Micro-Mini Vehicles
This paper summarizes the results of a study to evaluate the impact performance of widely used roadside safety elements for a 1,500 lb vehicle and to identify potential modifications that...
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...
Safety Performance Evaluation of 21st Century Appurtenances
A great deal has occurred in the highway safety field in the last 15 years: there have been societal changes which have altered the character of the vehicle fleet; there have been technological...
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...
Application in the 21st Century of Today's Technology in Resolving Congestion
Traffic engineers of the 21st century will have a number of new tools to attack traffic congestion. High technology solutions will begin to emerge as means of increasing the effectiveness...
Future Driver and Vehicle Characteristics and Their Influence on Highway Design for Safety
Both driver and vehicle characteristics are changing, and these characteristics will continue to change into the 21st century. The purpose of this paper is to identify the major changes...
Safety and Operations Related to Geometrics for 21st Century Highways
Highways designed for the next century must reflect the knowledge gained from research on safety and operations conducted over the last 20 years. Assuming that recent trends toward emphasis...
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