QUIET "SHHICAGO..."

In 1961 the Chicago Transit Authority (CTA) purchased two small rail grinders to remove irregularities (corrugations) from steel rails so as to reduce the high-frequency fluttering noise that is produced by trains passing over a corrugated rail. The grinders were pushed or pulled in tandem by motorized work cars, but because of their size and light weight could be operated only at a restricted speed while making repeated passes over a short stretch of track. The operation could be performed during midnight hours only. A new rail smoother has now been installed that can be operated between regularly scheduled runs; its first operational test was on the Skokie Swift line of CTA. No special crew is required.

• Publication Date: 0

Media Info

• Features: Photos;
• Pagination: 24 p.
• Serial:
  • Metropolitan
  • Volume: 68
  • Issue Number: 4
  • Publisher: Bobit Publishing Company

Subject/Index Terms

• TRT Terms: Maintenance of way; Noise; Noise control; Rail grinding; Railroad tracks; Rapid transit
• Identifier Terms: Chicago Transit Authority
• Subject Areas: Environment; Maintenance and Preservation; Public Transportation; Railroads;

Filing Info

• Accession Number: 00050895
• Record Type: Publication
• Files: TRIS
• Created Date: Feb 15 1982 12:00AM