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Volpe Center

rosaP Repository & Open Science Access Portal

This collection is the knowledge repository of digitized U.S. DOT Volpe Center staff-authored reports, journal articles, conference papers, and archives. Housing more than 50 years of transportation research, the collection includes more than 5,000 U.S. DOT Volpe Center-authored publications. More information about the John A. Volpe National Transportation Systems Center is available at Volpe National Transportation Systems Center. Bookmark this collection at: https://rosap.ntl.bts.gov/collection_volpe or https://doi.org/10.21949/1530858.

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Showing 4121 - 4140 of 5187 results
  • Paratransit Vehicle Test and Evaluation Volume 1 Ride Comfort and Quality Tests
    Paratransit Vehicle Test and Evaluation: Volume 1. Ride Comfort and Quality Tests.
    Wesson, L. ;
    Culley, C.
    1978-06-01 | PDF
    The vehicles presently available for paratransit service do not cover the full spectrum of required characteristics necessary for public transportation. Therefore, specifications were developed by the U.S. Government for a vehicle specifically for use in paratransit service. Prototype vehicles were manufactured for the Government by two different m ...
  • Highway Air Pollution Dispersion Modeling Preliminary Evaluation of Thirteen Models 1978
    Highway Air Pollution Dispersion Modeling: Preliminary Evaluation of Thirteen Models [1978]
    Darling, Eugene M., Jr. ;
    Prerau, David S.
    1978-06-01 | PDF
    Thirteen highway air pollution dispersion models have been tested, using a portion of the Airedale air quality data base. The Transportation Air Pollution Studies (TAPS) System, a data base management system specifically designed for evaluating dispersion models, has been used in the testing process. Because of inadequacies in the Airedale data, it ...
  • Comparative Analysis of Results from Three Recent NonSeparated ConcurrentFlow High Occupancy Freeway Lane Projects Boston Santa Monica and Miami
    Comparative Analysis of Results from Three Recent Non-Separated Concurrent-Flow High Occupancy Freeway Lane Projects: Boston, Santa Monica and Miami
    Simkowitz, Howard J.
    1978-06-01 | PDF
    In order to move more people in fewer vehicles with limited capital investment, priorities for High Occupancy Vehicles (HOV) have been developed and implemented over the past several years. This study focuses on one of the options of HOV: non-separated concurrent-flow high occupancy freeway lanes. One freeway lane with an average occupancy of 1.3 p ...
  • Paratransit Vehicle Test and Evaluation Volume 3 Handling Tests
    Paratransit Vehicle Test and Evaluation: Volume 3. Handling Tests
    Wesson, L. ;
    Culley, C.
    1978-06-01 | PDF
    A series of tests and evaluations of two prototype vehicles for paratransit were conducted. This volume (Volume III) presents the test procedures and results of the handling test series. The test determined the steering and handling characteristics of the two paratransit prototypes and a production baseline vehicle. The tests assessed each vehicle' ...
  • Paratransit Integration Symposium Proceedings October 14 1977
    Paratransit Integration Symposium Proceedings, October 14, 1977
    Krechmer, D. ;
    Strawbridge, J.
    1978-06-01 | PDF
    Paratransit innovation is considered by DOT/UMTA to be an essential part of the provision of public transportation. A variety of service options, ranging from many-to-many dial-a-ride to subscription ridership, offer cost effective options to conventional fixed-route transit.
  • Review of Chest Deflection Measurement Techniques and Transducers
    Review of Chest Deflection Measurement Techniques and Transducers
    Plank, Gordon R.
    1978-06-01 | PDF
    A summary is presented of measurement techniques and transducers that have been used, or are presently available and exhibit potential for use in the measurement of dynamic chest deflection. Various techniques and transducers are evaluated for their potential for use with dummies, cadavers, infra-human primates and living humans and those technique ...
  • The Development of Measures of Service Availability Volume I Summary Report
    The Development of Measures of Service Availability: Volume I. Summary Report
    Leis, R. D.
    1978-06-01 | PDF
    The objective of the project was to develop passenger-oriented measures of service availability which could be used to control the failure characteristics of Automated Guideway Transit (AGT) systems throughout their life cycle. A corollary and equally significant objective was to develop, as necessary, a methodology for utilizing these measures dur ...
  • User Delay Cost Model and Facilities Maintenance Cost Model for a Terminal Control Area Volume 3 Users Manual and Program Documentation for the Facilities Maintenance Cost Model
    User Delay Cost Model and Facilities Maintenance Cost Model for a Terminal Control Area : Volume 3. User's Manual and Program Documentation for the Facilities Maintenance Cost Model
    Greene, L. B. ;
    Witt, J.
    1978-05-01 | PDF
    The Facilities Maintenance Cost Model (FMCM) is an analytic model designed to calculate expected annual labor costs of maintenance within a given FAA maintenance sector. The model is programmed in FORTRAN IV and has been demonstrated on the CDC Kronos time-sharing system. Model inputs are facility identification data, maintenance support scenarios, ...
  • Seven Experiment Designs Addressing Problems of Safety and Capacity on TwoLane Rural Highways Volume 8 Experimental Design and Evaluate Remedial Aids for Intersections with Inadequate Sight Distance
    Seven Experiment Designs Addressing Problems of Safety and Capacity on Two-Lane Rural Highways : Volume 8. Experimental Design and Evaluate Remedial Aids for Intersections with Inadequate Sight Distance
    King, G. F. ;
    Abramson, P.
    1978-05-01 | PDF
    The experiment is planned for low-volume rural intersections on or near the Maine Facility. A number of remedial aids, both active and dynamic, are tested. The devices are designed either to focus the motorist's attention on existing conditions or to display information about a possible conflict at the intersection.
  • Coupling System Design Optimization A Survey and Assessment of Automatic Coupling Concepts for Rail Freight Cars Volume 1 Executive Summary
    Coupling System Design Optimization : A Survey and Assessment of Automatic Coupling Concepts for Rail Freight Cars : Volume 1. Executive Summary.
    Nyquist, A. E. ;
    Boydston, G. D.
    1978-05-01 | PDF
    The purpose of this study is to provide an independent identification, classification, and analysis of significant freight car coupling systems concepts offering potential for improved safety and operating costs over the present system. The basic method of approach was to make a comprehensive search as a prerequisite to establishing significant cou ...
  • Seven Experiment Designs Addressing Problems of Safety and Capacity on TwoLane Rural Highways Volume 3 Experimental Design to Evaluate MUTCD and Other Traffic Controls for Highway Construction and Maintenance Operations on TwoLane Highways
    Seven Experiment Designs Addressing Problems of Safety and Capacity on Two-Lane Rural Highways : Volume 3. Experimental Design to Evaluate MUTCD and Other Traffic Controls for Highway Construction and Maintenance Operations on Two-Lane Highways
    King, G. F. ;
    Abramson, P.
    1978-05-01 | PDF
    The report contains an experimental design to evaluate methods of providing safe and expeditious movement of traffic through or around construction and maintenance zones while providing safety for workers in these zones. Two types of construction/maintenance zones will be examined with different traffic control devices. A simulation model for singl ...
  • Seven Experiment Designs Addressing Problems of Safety and Capacity on TwoLane Rural Highways Volume 7 Experimental Design to Develop and Evaluate Measures for Reducing the Effects of Roadside Friction on Traffic Flow
    Seven Experiment Designs Addressing Problems of Safety and Capacity on Two-Lane Rural Highways : Volume 7. Experimental Design to Develop and Evaluate Measures for Reducing the Effects of Roadside Friction on Traffic Flow
    King, G. F. ;
    Abramson, P.
    1978-05-01 | PDF
    The objective of the experiment is to develop and evaluate the relative merit of warning signs and other devices, used singly or in combination, in improving traffic flow and safety in the presence of a variety of different types of roadside friction elements. The following types of friction elements are considered: vehicles entering the main roadw ...
  • HoustonGalveston Vessel Traffic Service Watchstander Analysis
    Houston-Galveston Vessel Traffic Service Watchstander Analysis
    Devoe, Donald B. ;
    Abernethy, C. N.
    1978-05-01 | PDF
    A team of human factors specialists analyzed the performance of watchstanders in the U.S. Coast Guard Vessel Traffic Center at Houston, TX. Data collected included copies of the center's forms and logs, records of watchstander activities for a total of fifteen hours of observation, timed measurements of typical watchstander activities and computer ...
  • Performance Characteristics of Automotive Engines in the United States First Series Report No 17 1975 Buick 455 CID 75 Liters 4V
    Performance Characteristics of Automotive Engines in the United States : First Series - Report No. 17 - 1975 Buick 455 CID (7.5 Liters), 4V
    Chamberlain, T. W. ;
    Koehler, Don E.
    1978-05-01 | PDF
    Experimental data were obtained in dynamometer tests of a 1975 Buick 455 CID, 4V engine to determine fuel consumption and emissions (hydrocarbon, carbon monoxide, oxides of nitrogen) at steady-state engine-operating modes. The objective of the program is to obtain engine performance data for estimating emissions and fuel economy for varied engine s ...
  • Southeast Expressway High Occupancy Vehicle Lane Evaluation Report
    Southeast Expressway High Occupancy Vehicle Lane Evaluation Report
    Simkowitz, Howard J.
    1978-05-01 | PDF
    A non-separated concurrent-flow lane was instituted on Boston's Southeast Expressway on May 4, 1977. An eight-mile section of the left-most inbound lane was reserved for buses and carpools of three or more persons between the hours of 6:30 a.m. and 9:30 a.m. There were no official intermediate points of access or egress, removable plstic inserts we ...
  • Maine Facility Research Summary Dynamic Sign Systems for Narrow Bridges
    Maine Facility Research Summary : Dynamic Sign Systems for Narrow Bridges
    Koziol, Joseph S., Jr.
    1978-05-01 | PDF
    An overview of the Maine Facility - a two lane rural highway test site - is presented and an experiment conducted at the facility between August and December 1976 is summarized. The experiment was designed to test and evaluate the application of dynamic (activated) sign systems in alerting motorists to the presence of narrow bridges on two-lane rur ...
  • Performance Characteristics of Automotive Engines in the United States Second Series Report No 7 1977 Ford 171 CID 28 Liters 2V
    Performance Characteristics of Automotive Engines in the United States : Second Series - Report No. 7 - 1977 Ford 171 CID (2.8 Liters), 2V
    Koehler, Don E. ;
    Stamper, K. R.
    1978-05-01 | PDF
    Experimental data were obtained in dynamometer tests of a 1977 Ford 171 CID engine to determine fuel consumption and emissions (hydrocarbon, carbon monoxide, oxides of nitrogen) at steady-state engine-operating modes. The objective of the program is to obtain engine performance data for estimating emissions and fuel economy for varied engine servic ...
  • Performance Results of Some Candidate French Modems for the Aeronautical Satellite Communication Channel
    Performance Results of Some Candidate French Modems for the Aeronautical Satellite Communication Channel
    Duncombe, Christopher B.
    1978-05-01 | PDF
    Five candidate data, voice, and ranging modems were evaluated by the AEROSAT channel simulation facility to determine applicability for use in the aeronautical satellite communication channel for air traffic control. The modems were supplied by Telecommunications Radio-electriques et Telephoniques of Paris, France. The modems' performance were eval ...
  • Performance Characteristics of Automotive Engines in the United States First Series Report No 16 1975 Volvo 121 CID 20 Liters FI
    Performance Characteristics of Automotive Engines in the United States : First Series - Report No. 16 - 1975 Volvo 121 CID (2.0 Liters), F.I.
    Chamberlain, T. W. ;
    Koehler, D. W.
    1978-05-01 | PDF
    Experimental data were obtained in dynamometer tests of a 1975 Volvo, 2.0 liter (121 CID) engine to determine fuel consumption and emissions (hydrocarbon, carbon monoxide, oxides of nitrogen) at steady-state engine-operating modes. The objective of the program is to obtain engine performance data for estimating emissions and fuel economy for varied ...
  • Performance Characteristics of Automotive Engines in the United States Third Series Report No 1 1977 Volvo 130 CID 21 Liters FI
    Performance Characteristics of Automotive Engines in the United States : Third Series - Report No. 1 - 1977 Volvo 130 CID (2.1 Liters), F.I.
    Koehler, Don E. ;
    Stamper, K. R.
    1978-05-01
    Experimental data were obtained in dynamometer tests of a 1977 Volvo 130 CID engine to determine fuel consumption and emissions (hydrocarbon, carbon monoxide, oxides of nitrogen) at steady-state engine-operating modes. The objective of the program is to obtain engine performance data for estimating emissions and fuel economy for varied engine servi ...
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