The paper reports that the California Division of Highways has developed a tunnel washing machine that expedites the washing of vehicle tunnel walls, reduces traffic obstructions, and offers an improved worker safety. An electrohydraulic control system that expands or contracts the vehicle to fit 700-lb rotary scrub brushes into different sized tunnels is outlined.

  • Corporate Authors:

    National Safety Council

    425 North Michigan Avenue
    Chicago, IL  United States  60611
  • Publication Date: 1976-7

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00159682
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: Apr 12 1978 12:00AM