55 MPH SPEED LIMIT CERTIFICATION

Speed data are from quarterly speed monitoring program reports submitted by states to Federal Highway Administration. Fatality and enforcement data are from reports of National Highway Traffic Safety Administration Regional Offices. Quarterly report presenting data by state on average speeds of free flowing traffic on roadways with speed limits of 55 mph; number of traffic fatalities; and speeding arrests. Data are shown quarterly for reporting year, which runs from Oct. 1- Sept. 30. Report is issued approximately 2 months after end of quarter covered. Contains narrative summary; and 4 tables, listed below. Tables: (Data are shown by state for each quarter of reporting year to date.) 1. Quarterly speed summaries (average speed, median speed, and 85th percentile speed). 2. Quarterly speed summaries (percent of vehicles exceeding 55, 60, and 65 mph). 3. Total traffic fatalities (urban and rural). 4. State enforcement agency speeding arrests. (TSC)

Media Info

  • Pagination: n.p.

Subject/Index Terms

Filing Info

  • Accession Number: 00320186
  • Record Type: Publication
  • Source Agency: Transportation Statistical Reference File, TSC
  • Report/Paper Numbers: Quarterly
  • Files: TSR, TRIS, USDOT
  • Created Date: Nov 23 1981 12:00AM