The protective cover for the third or "hot" rail on a transit system will be molded fiberglas-reinforced plastic (FRP) instead of wood. A specially-coated FRP laminate was chosen over traditional wood planks for the 75 miles of cover on San Francisco's Bay Area Rapid Transit system because its guaranteed service life of 25 years will sharply reduce maintenance costs.

  • Availability:
  • Corporate Authors:

    Simmons-Boardman Publishing Corporation

    P.O. Box 350
    Bristol, CT  United States  06010
  • Publication Date: 1972-2-14

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00046794
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: Oct 18 1973 12:00AM