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Showing 33101 - 33120 of 36747 results
  • Roadside Concrete Barriers Warrants and End Treatment
    Roadside Concrete Barriers: Warrants and End Treatment
    Sicking, Dean L. ;
    Ross Jr, Hayes E.
    1985-11-01 | PDF
    The primary emphasis of this research was the development of a low maintenance end treatment to shield the end of a concrete safety shaped barrier. It consists of a series of energy-absorbing rubber cylinders that are reusable after an impact. The cylinders are supported by steel diaphragms, and the thrie-beam fender panels are used for redirection ...
  • Guidelines for Estimating the Cost Effectiveness of HighOccupancy Vehicle Lanes
    Guidelines for Estimating the Cost Effectiveness of High-Occupancy Vehicle Lanes
    Lomax, Timothy J. ;
    Morris, Daniel E.
    1985-11-01 | PDF
    District offices of the Texas State Department of Highways and Public Transportation have sponsored research into high-occupancy vehicle (HOV) lane cost effectiveness in Houston, Dallas and San Antonio. Many of these projects have utilized the freeway operations simulation capabilities of the FREQ7 computer model as a tool to assist in the cost eff ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1985-11-01 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • Inhalation Toxicology V Evaluation of Relative Toxcity to Rats of Thermal Decomposition Products from Two Aircraft Seat FireBlocking Materials
    Inhalation Toxicology: V. Evaluation of Relative Toxcity to Rats of Thermal Decomposition Products from Two Aircraft Seat Fire-Blocking Materials
    Sanders, Donald C. ;
    Crane, Charles R.
    1985-11-01 | PDF
    Two fire-blocking layer (FBL) materials, designed to delay the thermal decomposition of polyurethane foam seat cushions during an aircraft cabin fire, were evaluated for the relative toxicity of their gaseous combustion products. Each materials was thermally decomposed under five distinct thermal environments: two contact temperatures (600 and 750 ...
  • Conductive Interference in Rapid Transit Signaling Systems Volume I Theory and Data
    Conductive Interference in Rapid Transit Signaling Systems: Volume I: Theory and Data
    Holmstrom, F. Ross
    1985-11-01 | PDF
    This report summarizes the results of the comprehensive program that has been pursued to delineate all aspects of conductive interference (Cl) in rail transit systems, and to help avoid Cl effects in new rail systems. The report documents the efforts to achieve an understanding of the nature and characteristics of Cl required to remedy specific sit ...
  • New Approaches to Project Ranking Comparisons Using AddedCapacity Projects in Texas
    New Approaches to Project Ranking: Comparisons Using Added-Capacity Projects in Texas
    McFarland, William F. ;
    Memmott, Jeffery L.
    1985-11-01 | PDF
    This report presents a discussion of selected techniques that can be used to rank major highway construction projects. A study advisory committee provided recommendations on factors and weights to be used in project ranking. A limited sensitivity analysis of some suggested changes in current sufficiency ratings is presented. Possible techniques tha ...
  • New Directions in Urban Transportation PrivatePublic Partnerships
    New Directions in Urban Transportation: Private/Public Partnerships
    Rice Center  ...
    1985-11-01 | PDF
    Changing economic, demographic, and fiscal conditions have helped to precipitate a major reappraisal of urban transportation. A growing number of cities, faced with reduced federal dollars and mushrooming operating costs, are questioning the relevance of traditional transportation arrangements and challenging the logic of conventional approaches to ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1985-10-24 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • Alcohol Rehabilitation of Airline Pilots
    Alcohol Rehabilitation of Airline Pilots
    Russell, Julia C. ;
    Davis, Audie W.
    1985-10-01 | PDF
    This study involves a survey of medical records for over 500 airline pilots who have been medically certified by the FAA after a diagnosis of alcoholism. The program demonstrates an 85% rate of success since 1976. If a pilot experiences a relapse, he/she is immediately taken off flight duty and recycled back through the program.In no case where the ...
  • Protection of Personnel in Maintenance and Construction Zones
    Protection of Personnel in Maintenance and Construction Zones
    Brackett, Quinn ;
    Stewart, Mark
    1985-10-01 | PDF
    The increase in fatal accidents involving maintenance personnel in construction zones prompted research into making working personnel easier to detect by motorists. Two approaches were taken to this problem. Improved safety vests were sent to various regions in Texas to evaluate their utility, and different types of driver communication devices wer ...
  • Designated Airworthiness Representatives Qualification Criteria Selection and Appointment Procedures FAA Order 800062
    Designated Airworthiness Representatives Qualification Criteria, Selection, and Appointment Procedures -- FAA Order 8000.62
    United States. Department of Transportation. Federal Aviation Administration
    1985-10-01 | PDF
    This order contains qualification criteria and procedures for the selection and appointment of Designated Airworthiness Representatives (DAR's) to perform certain certification functions as representatives of the Administrator.
  • Project 1871 Texas Transportation Institute Serviceability Index Values Moisture Barrier Sites Appendixes 14
    Project 187–1 Texas Transportation Institute Serviceability Index Values, Moisture Barrier Sites: Appendixes 1–4
    Texas Transportation Institute. Texas A&M University
    1985-10-01 | PDF
    Project 187–1 Texas Transportation Institute serviceability index values, moisture barrier sites, Appendixes 1–4.
  • Designated Airworthiness Representatives
    Designated Airworthiness Representatives
    United States. Department of Transportation. Federal Aviation Administration
    1985-10-01 | PDF
    This advisory circular (AC) contains information and guidance concerning the selection and appointment of Designated Airworthiness Representatives (DAR's) and identifies the specific functions which may be delegated to DAR's as authorized by the Federal Aviation Administration (FAA), Director of Airworthiness.
  • Disadvantaged Business Enterprise DBE Program Resource Manual
    Disadvantaged Business Enterprise (DBE) Program Resource Manual
    The Latin American Manufacturers Association
    1985-10-01 | PDF
    This report was prepared to explain the minority business implications of the laws and regulations governing funds from the Urban Mass Transportation Administration, and to assist prospective contractors who use these funds in setting up minority procurement programs to meet the mandated disadvantaged business enterprise (DBE) responsibilities. The ...
  • Hazardous Materials Routing Study Phase I Establishing Hazardous Materials Truck Routes for Shipments Through the DallasFort Worth Area
    Hazardous Materials Routing Study Phase I: Establishing Hazardous Materials Truck Routes for Shipments Through the Dallas-Fort Worth Area
    North Central Texas Council of Governments
    1985-10-01 | PDF
    The transportation of hazardous materials over streets and highways in the Dallas-Fort Worth area has become a significant transportation safety concern. Recent accidents involving vehicles transporting hazardous materials have resulted in extensive property damage, traffic congestion, serious injury, and loss of lives. The occurrence of these acci ...
  • The Effect of Visual Taskload on Critical Flicker Frequency CFF Change during Performance of a Complex Monitoring Task
    The Effect of Visual Taskload on Critical Flicker Frequency (CFF) Change during Performance of a Complex Monitoring Task
    Thackray, Richard I. ;
    Touchstone, R. Mark
    1985-10-01 | PDF
    The present study examined the effect of differing levels of visual taskload on critical flicker frequency (CFF) change during performance of a complex monitoring task. The task employed was designed to functionally simulate the general task characteristics of future, highly automated air traffic control systems in which passive monitoring is likel ...
  • Evaluation of a Passenger Mask Modified with a Rebreather Bag for Protection from Smoke and Fumes
    Evaluation of a Passenger Mask Modified with a Rebreather Bag for Protection from Smoke and Fumes
    Higgins, E.A. ;
    Saldivar, J.T.
    1985-10-01 | PDF
    A series of experiments were conducted in an altitude chamber at ground level, 8,000 ft, 14,000 ft, and 21,500 ft, both with and without exercise, to evaluate the potential for providing protection from smoke and fumes for airline passengers while wearing a standard continuous-flow passenger mask modified by the addition of a rebreather bag.It was ...
  • Hazardous Materials Routing Study Phase II Analysis of Hazardous Materials Truck Routes in Proximity to the Dallas Central Business District
    Hazardous Materials Routing Study Phase II: Analysis of Hazardous Materials Truck Routes in Proximity to the Dallas Central Business District
    North Central Texas Council of Governments
    1985-10-01 | PDF
    This report summarizes the findings from the second phase of a two-part analysis of hazardous materials truck routes in the Dallas-Fort Worth area. Phase II of this study analyzes the risk of transporting hazardous materials on freeways and arterial streets in proximity to the Dallas Central Business District. The risk assessment approach is based ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1985-10-01 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • Rapid Repair of Wet Asphaltic Concrete Using Fly Ash
    Rapid Repair of Wet Asphaltic Concrete Using Fly Ash
    Cherem-Sacal, David ;
    Price, David A
    1985-10-01 | PDF
    During periods of wet weather, particularly when it is also cold, asphalt pavements develop potholes which cannot be immediately repaired with conventional asphalt materials. Materials are needed which can be successfully used to repair asphalt pavements in wet, or cold and wet, weather. The materials should be of reasonable cost and have at least ...
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