Analysis of Truck Safety on Crest Vertical Curves

Details

• Creators:
  Middleton, P. B. ; Wong, M. Y. ; Taylor, J. ; Thompson, H. ; Bennett, J.
• Corporate Creators:
  Automated Sciences Group, Inc.
• Contributors:
  Freitas, Michael
• Corporate Contributors:
  United States. Department of Transportation. Federal Highway Administration
• Subject/TRT Terms:
  • Traffic safety
  • Highway curves
  • Stopping distances
  • Stopping sight distance
  • Trucks
• Publication/ Report Number:
  FHWA/RD-86/060 ; FHWA-RD-86-060
• Resource Type:
  Tech Report
• Right Statement:
  Public Domain
• Geographical Coverage:
  United States
• Edition:
  Final Report
• Contracting Officer:
  Freitas, M.
• Corporate Publisher:
  United States. Department of Transportation. Federal Highway Administration
• Abstract:
  The objective of this project was to evaluate the potential for hazard to trucks operating on crest vertical curves designed to AASHTO standards. A truck performance simulation model (TPSIM) was developed to permit the calculation of sight distance and stopping distance associated with each point along the path of a vehicle traversing a specified crest vertical curve. The total stopping distance is compared to the sight distance at each of a sequence of truck positions along the curve to determine if a hazardous situation exists. The analysis was performed for a range of truck braking characteristics and cab types operating over a complete range of crest vertical curves. The analysis indicates that, for selected curve and truck combinations, there are potential hazards for trucks. A series of conclusions and recommendations are presented.
• Format:
  PDF
• Funding:
  DTFH61-82-C-00025
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/88321/dot_88321_DS1.pdf
• File Type:
  [PDF - 2.81 MB]
• Collection(s):
  Federal Highway Administration
• Main Document Checksum:
  urn:sha-512:fcbd1ca299978cf8237b24a9237639ba43ac995ad3d89a207d6fe770ee9e3940b34c886a643c59df89375fc50a90e34ab54ec014c61283d301c239f46063b561