Microtunneling: No Pipe Dream
Microtunneling machines developed in Japan and Germany can help install pipes, ducts and cables without disrupting urban activities at street level. A microtunnel is defined as having...
Methods for Real-Time Control of Highway Traffic
The paper describes the development of computational strategies for demand-responsive decentralized traffic signal control. First, a Dynamic Programming procedure is developed which serves...
Building a Bridge Within a Bridge
The City of Grand Rapids had to replace an aging bridge connecting vital commercial centers on opposite sides of Michigan's Grand River. The city's consultants...
Coordination of Interconnected Arterial Traffic Signals
Present analytical methods and computer programs offer capabilities of optimizing the traffic signal coordination for a series of signalized intersections. Recently, transportation research...
The River Walks of San Antonio Move to Providence
At the historic heart of Providence, Rhode Island, three rivers divide the city into three areas. Nearly one mile of river corridors have been abused over the last century, resulting in...
Downtown Traffic Goes Down Under
Seattle's 1980 employment population of 124,000 is expected to jump to 150,000 by 1990. This will mean more commuter traffic and more mass transit coming into the city's...
Street Fares
An argument is made for imposing user fees to amass funds for repair and maintenance of local roads and streets. These infrastructure services have to compete for local general property...
National Urban Transportation Planning Trends and Implications
This paper explores urban transportation planning, program, and policy trends of the 1980s. Legislative and regulatory changes are also addressed. Among the planning trends discussed are...
Managing the Highway System
There is a general feeling that increased emphasis on highway management is a promising approach to dealing with a series of apparent issues and trends: The inflating costs of substantial...
Microcomputers and Transportation: A Look Forward
Technical development in the microcomputer industry continues to accelerate. In the next few years changes in hardware and software will occur which will be at least as dramatic as those...
Parking Efficiency Through Shared Parking Concepts
Due to continuing demand for concentrated parking supply in our urban areas, developers and public agencies must devote a significant amount of their resources and energies to providing...
Development of the Houston Transitway System
The degradation of mobility in Houston, Texas has progressed to the critical stage. Future growth and the economic viability of the metropolitan region is in serious jeopardy unless major...
Improved Urban Traffic Flow Through Signal Re-timing?California Experience
The California Energy Commission (CEC) has initiated a new program to re-time all of the 20,000 interconnected traffic signals in the state, the first of its kind in the United States....
Gatlinburg's Transportation Management Plan
A series of transportation recommendations developed for Gatlinburg, Tennessee and the impacts of these transportation system changes are documented. Problems and recommended solutions...
The Electronic Road Pricing System in Hong Kong
This paper addresses the traffic congestion problem and issues relating to the experiment of the world's first pilot scheme on Electronic Road Pricing System in Hong Kong....
Bicycle Access: New Boost for Transit Performance
Bicycle-transit linkage is a highly cost-effective strategy for boosting suburban transit performance and ridership and appears to offer significant potential for reducing transit access...
CPM Harnesses Mammoth Powerplant Job
One of the largest air quality control retrofit projects in the U. S. is at the Sammis Plant of Ohio Edison Co., along the Ohio River 40 miles west of Pittsburgh. The coal-fired plant's...
Technology and the Infrastructure Problem
Improvements in infrastructure services are modest, zero, or negative depending on the system examined. Using air transportation as an example, lack of improvement is attributed to constraints...
Infrastructure Management and Planning for the City of Seattle
This paper summarizes the current planning effort that the City of Seattle's Engineering Department (SED) is undertaking for Transportation Infrastructure Management. The...
Innovative Solution for Urban Freeway Reconstruction
Technology which was developed for economic and rapid construction of precast concrete segmental box girder bridges is being utilized to permit the reconstruction of an urban freeway in...
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