Planning Major Activity Center Distributor Systems
Automobile and transit trips destined to a major activity center terminate at peripheral locations, and each tripmaker completes the journey either by transferring to a distributor system...

Railroad Freight Movement–Some New Concepts and Current Plans
There are a number of techniques that have established trends away from the traditional single-car shipment concept. They are: (1) trailer on flatcar; (2) container on flatcar; (3) minitrain;...

Bonded Continuous Turnout
The problems associated with rail as it interacts with the aerial structure and special trackwork have been further complicated in recent years by the use of continuous welded rail and...

Railroad Crossings at Berwick Bay
Modifications are made to a main-line single track railroad draw bridge across a much used wateway connecting the industrial Gulf Coast with the areas served by the Mississippi River....

Energy-Intensiveness of Transportation
Historical, present, and possible future patterns of energy consumption in the transportation sector are examined for intercity freight and passenger traffic and for urban passenger traffic....

Two Means of Alleviating Rush-Hour Crowding
Two means are suggested for increasing the rush-hour capacity of urban train systems already operating trains of maximum headway. They are: (1) replacing some or all of the regular cars...

The Slide at Brilliant Cut

High-Speed Train Simulation using Hydrodynamics
The motion of two high-speed trains passing one another while moving in opposite directions is simulated using inviscid hydrodynamics. The method of images is used to generate the cylinders...

Railway Box-Girder Bridge Erected by Launching
The first major steel-deck railway bridge in America, the 2110-ft single-track Kansas City Southern Railway bridge over the Arkansas River near Redland, Oklahoma, is a continuous box-girder...

A System for Regulation of Combined Sewage Flows
The Municipality of Metropolitan Seattle has installed a computer directed control system which provides centralized control of regulator and pumping stations on trunk and interceptor...

Flathead Railroad Tunnel
The 7-mile long Flathead Tunnel in northwestern Montana was required in relocation of Great Northern Railway's main line track prior to impounding water by Libby Dam. Approximately 73%...

Impact of Rail Transit on Bus Operations
Predictable transit passenger selection of the most desirable travel route dictates extensive diversion of riders from existing bus operations to new rail systems. Planning of coordinated...

Design Requirements for Safer Highway Bridge Rails
Recent accident information obtained during 1965-1968 indicates that: (1) approximately 22% of the fixed object freeway fatal accidents involve bridge railing systems, and (2) certain...

New Highway Bridge Dimensions for Safety
This paper presents currently accepted methods for providing maximum safety for motor vehicle traffic operating over or under highway bridges. Abutments, piers, parapets, and railings...

Summary Report on Experimental Evaluation of Simulated Uncased Pipeline Crossings of Railroads and Highways

Saint Louis Bay Bridge
A 10,170-ft-long railroad bridge across a shallow bay consists of 60-ft prestressed, precast concrete box girders supported on prestressed concrete cylinder piles and a 285-ft-long structural...

Research on Sleepers River at Danville, Vermont
Research in hydrology and biology at Danville, Vermont is focused upon the complex physical processes in natural watersheds, leading to development of methods for predicting behavior of...

Research Programs on Pipeline Crossings
A history and summary report concerning the activities of the American Society of Civil Engineers (ASCE) Research Council on Pipeline Crossings of Railroads and Highways is given. This...

Computer Technology in New Line and Relocation Planning
Technical programs have been developed by the Atchison Topeka and Santa Fe Railway Company in FORTRAN IV for use on IBM 360, Models 50 or 65. These programs are preliminary for use in...

Unique Solution for Difficult Rigging Problem
The antenna network of aluminum conductors consists of a series of concentric triangles. The erection was accomplished without ground contact of the conductors. The solution consisted...

 

 

 

 

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