AUTOMATIC TRAFFIC RECORDS 1988-1998

This report contains graphic comparisons of daily and monthly traffic collected on Iowa's highway system at 125 Permanent Continuous automatic Traffic Recorder locations. Fourteen (114) stations are located on the Rural Interstate system, seven (7) are on the Municipal Interstate system, forty-five (45) are on the Rural Primary system, twenty-two (22) are on the Municipal Primary system, twenty-four (24) are on the Rural Secondary system and thirteen (13) are on the City Street system. The report compares travel trends from 1970 to present. Traffic is shown for rural, municipal and statewide travel. Factors for estimating Design Hour Volumes from Annual Average Daily Traffic are shown by highway system. Information from the permanent traffic recorders indicate a 3 percent increase in statewide travel from 1997 to 1998. Final 1998 traffic figures will be published in June 1999.

• Corporate Authors:

  Iowa Department of Transportation

  800 Lincoln Way
  Ames, IA  United States  50010
• Publication Date: 1999-1

Language

• English

Media Info

• Features: Figures; Tables;

Subject/Index Terms

• TRT Terms: Automatic data collection systems; Recording; Rural highways; Secondary roads; Traffic data
• Geographic Terms: Iowa
• Subject Areas: Highways; Operations and Traffic Management; I70: Traffic and Transport;

Filing Info

• Accession Number: 00763702
• Record Type: Publication
• Files: TRIS, STATEDOT
• Created Date: May 4 1999 12:00AM