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The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations. Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.

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Showing 33641 - 33660 of 35412 results
  • Hybrid Computer Vehicle Handling Program 1976
    Hybrid Computer Vehicle Handling Program [1976]
    Bohn, P. F. ;
    Prowznik, J.
    1976-10-01 | PDF
    This hybrid computer simulation for vehicle handling studies has been in use for four years and has been validated for a large class of two axle vehicles. The following suspensions can be simulated: (1) four wheel independent, (2) independent front and solid rear axle, (3) solid front and rear axles, and (4) any front suspensions with dual tires on ...
  • Design and Evaluation of OnFreeway Traffic Control Systems and Surveillance Techniques
    Design and Evaluation of On-Freeway Traffic Control Systems and Surveillance Techniques
    McCasland, William R. ;
    Ritch, Gene P.
    1976-10-01 | PDF
    Studies of urban traffic operations were conducted on the freeways of Texas to determine the design and effectiveness of traffic control systems and surveillance techniques. The control systems were designed to relieve peak period congestion. Surveillance techniques were studied for application in detecting disabled vehicles and their impact on the ...
  • Post Construction Evaluation of SulfurAsphalt Pavement Test Sections Interim Report 2
    Post Construction Evaluation of Sulfur-Asphalt Pavement Test Sections [Interim Report #2]
    Saylak, D. ;
    Gallaway, B. M.
    1976-10-01 | PDF
    To conduct post-construction testing and evaluation of a sulfur-asphalt binder concrete pavement test section located on U.S. 69, 15 miles north of Lufkin, Texas.
  • The Effects of a Channel Relocation Project on the Ecosystem of Little Sugar Creek Benton County Arkansas
    The Effects of a Channel Relocation Project on the Ecosystem of Little Sugar Creek, Benton County, Arkansas
    Tyler, Robert
    1976-09-01 | PDF
    The widening of U.S. 71 in Northwest Arkansas required that the Arkansas State Highway and Transportation Department relocate a portion of the channel of the Little Sugar Creek. A channel relocation project, in which careful channel construction and provisions for habitat were an integral part of the plan; was carried out and the effects monitored. ...
  • Texturing of concrete pavements interim report No 2
    Texturing of concrete pavements : interim report No. 2.
    Ross, Joseph E. ;
    Law, Sheldon M.
    1976-09-01 | PDF
    The purpose of this research study is to document and evaluate the findings of the Category II experimental concrete texturing project. Under this plan of experimental study, several texting techniques were tried and will be compared in order to determine which concrete pavement texture will perform best in regard to skid resistance, durability and ...
  • The Development of Maintenance Management Tools for Use by the Texas State Department of Highways and Public Transportation
    The Development of Maintenance Management Tools for Use by the Texas State Department of Highways and Public Transportation
    Epps, Jon A. ;
    Larrimore, Jr. I. E.
    1976-09-01 | PDF
    Close cooperation among Texas State Department of Highways and Public Transportation district maintenance operational personnel, central office representatives and the Texas Transportation Institute study team together with a review of the literature provided the necessary information to develop selected maintenance management tools. These manageme ...
  • Operational Characteristics of Mays Ride Meter
    Operational Characteristics of Mays Ride Meter
    Epps, Jon A. ;
    Shaw, C. W.
    1976-09-01 | PDF
    A review of the literature together with field data obtained for the vehicle mounted Mays Ride Meter roughness measuring device is presented. The operational characteristics of the Mays Ride Meter are presented by examining the type of vehicle in which it is used, changes in vehicles with time, and the effects of tire pressure, air temperature, pas ...
  • Implementing Maintenance Rating Techniques
    Implementing Maintenance Rating Techniques
    Epps, J. A. ;
    Larrimore Jr, I. E.
    1976-09-01 | PDF
    Training schools were conducted to instruct Texas State Department of Highways and Public Transportation personnel in the use of the Maintenance Rating System. The results of these schools were utilized to determine the accuracy of the maintenance rating scores obtained on a particular roadway section. An urban maintenance rating system has been de ...
  • Oil Grease and Other Pollutants in Highway Runoff
    Oil, Grease, and Other Pollutants in Highway Runoff
    Wiland, Bruce ;
    Malina Jr, Joseph F.
    1976-09-01 | PDF
    The pollutional effects of runoff from streets and highways have usually been expressed in terms of parameters commonly used to characterize municipal wastewater. This study represents an initial attempt at determining the presence or absence of certain categories of fuels, oils and tars in storm effluents. Oil, grease and heavy metals are washed f ...
  • Installation of Fog Guidance Lights on Afton Mountain
    Installation of Fog Guidance Lights on Afton Mountain
    Creech, Marion F
    1976-08-01 | PDF
    The Afton Mountain fog guidance system was installed between May 15, 1974, and March 15, 1976, at a total cost of $1,997,748. It covers a distance of 5.819 miles, and consists of 841 pavement inset lights spaced at 200 ft. intervals on tangent sections and at 100 ft. on curved sections on the main line and a short distance down the exit ramps at th ...
  • Aviation medicine FAA
    Aviation medicine : FAA
    Reighard, H.L.
    1976-08-01 | PDF
    Review and status of civil aviation medicine.
  • A New Sensing System for Preexcavation Subsurface Investigation for Tunnels in Rock Masses Volume I Feasibility Study and System Design
    A New Sensing System for Pre-excavation Subsurface Investigation for Tunnels in Rock Masses. Volume I. Feasibility Study and System Design
    Rubin, L. A. ;
    Fowler, J. C.
    1976-08-01 | PDF
    This report includes a feasibility study and system design for an initial prototype of a sensing system for pre-excavation subsurface investigation for tunnels in rock. Tunnels in rock are very expensive, and costs often rise far above estimates when unforeseen problems are encountered during excavation. New techniques in rapid excavation technolog ...
  • Analysis of Diamond Interchange Operation and Development of a Frontage Road Level of Service Evaluation Program PASSER III Final Report
    Analysis of Diamond Interchange Operation and Development of a Frontage Road Level of Service Evaluation Program – PASSER III [Final Report]
    Messer, Carroll J. ;
    Fambro, Daniel B.
    1976-08-01 | PDF
    This report presents the development and findings of a research project conducted by the Texas Transportation Institute entitled. "Development of a Frontage Road Level of Service Evaluation Program -- PASSER III". The research was sponsored by the Texas Department of Highways and Public Transportation in cooperation with the U.S. Department of Tran ...
  • Alternate Designs for CCTV Traffic Surveillance Systems
    Alternate Designs for CCTV Traffic Surveillance Systems
    Andersen, Donald A. ;
    McCasland, William R.
    1976-08-01 | PDF
    This report is one of a series that presents the findings of a research project entitled "Development and Evaluation of On-Freeway Traffic Control Systems and Surveillance Techniques" sponsored by the State Department of Highways and Public Transportation in Texas in cooperation with the U.S. Department of Transportation, Federal Highway Administra ...
  • Development and evaluation of masterbody forms for 3 and 6yearoldchild dummies
    Development and evaluation of masterbody forms for 3- and 6-year-old-child dummies.
    Young, Joseph W. ;
    Reynolds, Herbert M.
    1976-07-01 | PDF
    This study defines and evaluates the size, shape, and mass distribution characteristics of masterbody forms representative of 3-year-old and 6-year-old U.S. children. Based on the author's collective judgment of available data, 98 anthropometric dimensions were selected and used to develop full-scale clay masterbody forms for reproduction in castin ...
  • Advance traffic control warning systems for maintenance operations final report
    Advance traffic control warning systems for maintenance operations : final report.
    Shan, S. C. ;
    Ray, G. L.
    1976-07-01 | PDF
    The report discusses the effect of certain variables defined by sign size, height of installation and legend on the driver responses as measured by speed, conflict and queuing parameters. Effects of electronically actuated, directional flashing signs were also evaluated in terms of the above defined responses. The experiment was conducted at four l ...
  • Cement stackdust treatment for materials in place
    Cement stackdust treatment for materials in place.
    Dudley, Warren N.
    1976-07-01 | PDF
    This paper is a presentation of the experiences ofDistrict 20 of the State Department of Highways andPublic Transportation in experimenting with cementstackdust as a stabilizing agent for base and subbaseroadway materials. It includes laboratory testresults, roadway use techniques, a proposed SpecialSpecification for use of the material and picture ...
  • Impact properties of steels taken from four failed tank cars
    Impact properties of steels taken from four failed tank cars.
    Interrante, C.G.
    1976-06-01 | PDF
    An overview of the results and metallurgical analyses o f the findings of impact tests conducted at the National Bureau of Standards on samples of tank-car matertals subhi'tted by the Federal Railroad Adminl'stration i s presented. The submitted samples were taken from tank cars which had been involved in service accidents durtng the period January ...
  • Annual Report of the Maritime Administration 1975 MARAD 1975
    Annual Report of the Maritime Administration 1975 [MARAD 1975]
    United States. Maritime Administration
    1976-06-01 | Annual Reports of the Maritime Administration | PDF
    Annual report of the Maritime Administration, U.S. Department of Commerce. The report covers the Agency's activities during fiscal year 1975 to promote and strengthen the-American merchant marine.
  • An investigation of timesharing ability as a factor in complex performance
    An investigation of time-sharing ability as a factor in complex performance.
    Jennings, Alan E. ;
    Chiles, W. Dean
    1976-05-01
    Thirty-nine men were tested on a total of six tasks; performance was measured on each task presented individually and on two complex tasks made up of three-task subsets. The tasks measured monitoring, arithmetic, pattern-discrimination, tracking, and problem-solving performance.Two separate test sessions were conducted for each of the individual ta ...
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