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Railroad Research Bulletin: Autumn 1973

This publication contains 1,297 abstracts of journal articles and research reports selected by RRIS from current railroad literature and 150 summaries of ongoing research activities in the railroad field. The material covers the entire range of railroading from technology to management,...

MBTA Green Line Tests: Riverside Line, December 1972

The UMTA sponsored Urban Rail Supporting Technology Program emphasizes three major task areas; facilities development, technology development, and test program development. The test program development is composed of three sub-areas: vehicle testing, ways and structures testing, and track...

Detail Specification for State-of-the-Art Car

This document is the detail specification for the State-of-the-Art Car (SOAC). This specification represents the SOAC configuration as delivered to the Urban Mass Transportation Administration (UMTA) for test and demonstration. The SOAC has been developed under UMTA's Urban Rapid Rail Vehicles...

Cost-Effectiveness Review of Railroad Electrification

A comparison was made between the costs of electric and diesel-electric motive power to haul traffic projected for the 1975-2005 time period over a hypothetical network of high density mainline routes carrying about 50 percent of the 1975 traffic. The routes were selected from the Federal...

The Kansas Test Track: Non-Conventional Track Structures Design Report

This report discusses the design of three non-conventional Railroad track support structures. These non-conventional structures, which include a continuously reinforced concrete slab, twin cast-in-place concrete beams, and twin precast concrete beams, are part of a research program to develop...

The Feasibility of Magnetically Levitating High Speed Ground Vehicles

To determine technical feasibility of magnetically levitated and guided high-speed ground transportation vehicles theoretical analyses of four suspension systems were conducted: (1) permanent magnet, (2) electromagnet-ferromagnetic guideway, (3) superconducting magnet, conducting coil guideway...

Light Rail Transit Systems: a Definition and Evalution

Rail transit represents a family of modes ranging from light rail to regional rapid transit systems, and it can be utilized in a number of different cities and types of applications. Many European cities of medium size employ very successfully light rail mode for gradual upgrading of transit...