NOISE EXPOSURE OF TRUCK DRIVERS

The noise exposure of truck drivers was measured during long-distance runs using special instrumentation: a continuous tape recording system equipped with subminiature microphones ("Ear Bugs"). An Ear Bug was mounted within both ears of the drivers at a location where measurements are least affected by extraneous effects; a microphone was also suspended from the cab ceiling 150 mm. to the right of the driver's ear level (center of cab position). Sound level analytical results indicate that driver noise exposure is (highest to lowest) on the freeway, on the highway, and in the city. The noise exposure is approximately 50% higher for freeway compared to city driving, presenting a permanent hearing loss risk. Frequent use of radio or Citizens Band radio can significantly increase this hazard. Sound levels measured within the ears of the drivers were generally significantly higher than at the center of the cab.

  • Supplemental Notes:
    • Also published in HS-029 192 (SAE-SP-456), "Vehicle Noise Regulation and Reduction," Warrendale, Pennsylvania, 1980 pp 31-7. Presented at SAE Congress and Exposition, Detroit, 25-29 February 1980.
  • Corporate Authors:

    Society of Automotive Engineers (SAE)

    400 Commonwealth Drive
    Warrendale, PA  United States  15096
  • Authors:
    • Reif, Z F
    • Moore, T N
    • Steevensz, A E
  • Publication Date: 1980

Media Info

  • Features: References;
  • Pagination: 7 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00386642
  • Record Type: Publication
  • Source Agency: National Highway Traffic Safety Administration
  • Report/Paper Numbers: SAE 800278, HS-029 196
  • Contract Numbers: OST-77-00081, A7439
  • Files: HSL, USDOT
  • Created Date: Jun 28 1984 12:00AM