National accident sampling system sample design, phases 2 and 3 : executive summary

Details

• Creators:
  Edmonds, H. John ; Hanson, Robert H. ; Morganstein, David R. ; Waksberg, Joseph
• Corporate Creators:
  John A. Volpe National Transportation Systems Center (U.S.) ; Westat, Inc.
• Subject/TRT Terms:
  • Crash analysis
  • Crash investigation
  • Multistage design
  • Probability sample
  • Stratification
  • Controlled probability selection
  • PSU's
• Publication/ Report Number:
  DOT-HS-805-273
• Resource Type:
  Tech Report
• Geographical Coverage:
  United States
• Edition:
  Final report
• Corporate Publisher:
  United States. Department of Transportation. National Highway Traffic Safety Administration
• Abstract:
  This report describes the Phase 2 and 3 sample design for the ; National Accident Sampling System (NASS). It recommends a procedure ; for the first-stage selection of Primary Sampling Units (PSU's) and ; the second-stage design for the selection of accidents for investigation. ; Cost models are developed to estimate the operating characteristics ; of the NASS. The design features extensive use of stratification ; and clustering. Controlled probability selection is used to ; insure geographic dispersion of the 75 recommended investigation ; sites, including the initial 10 NASS pilot sites.
• Format:
  PDF
• Funding:
  DOT-HS-7-01706
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/5817/dot_5817_DS1.pdf
• File Type:
  [PDF - 442.12 KB]
• Collection(s):
  Volpe Center
• Main Document Checksum:
  urn:sha-512:a6821e9bfebe622f0f6a88ba7fd20934a706ba1d69e913d51620886b7d3bc25279c8948e7ffe68fd8dc9cf84bd25497ae68b75ed3bab6c9e06c5f6f51d27989e