US Dept of Labor

Occupational Safety & Health AdministrationWe Can Help

OSHA Standards Interpretations

Compliance Issues Relating to Backup Alarms
  • 09/20/2007 - Whether "discriminating [back-up] alarms" may be used to meet the requirements of 29 CFR 1926.602(a)(9)(ii).
  • 12/21/2004 - Installation of strobe lights on forklifts as an additional warning device for forklifts used in vessel holds.
  • 05/27/2004 - Equipment reverse signal alarms must be audible above surrounding noise level.
  • 03/09/2004 - Requirements for reverse signal alarms for vehicles with obstructed views to the rear.
  • 05/10/1995 - OSHA standards addressing reverse signal alarms on excavators.
  • 06/10/1993 - Back-up alarm requirements on vehicles.
  • 09/23/1987 - Definition, application and use of "Horns".
  • 08/20/1987 - Horns and audible alarms.
  • 06/25/1982 - Requirements for back up alarms.
  • 07/11/1980 - Regulations for back-up alarms.
  • 07/23/1979 - "Audible above" is a signal alarm distinguishable from the surrounding noise level.
  • 01/28/1976 - Crawler cranes used in construction work and back-up alarms.
Alternatives to Backup Alarms
  • 03/02/2010 - Permissible methods of operating trucks in reverse on construction sites.
  • 01/24/1997 - Cross-view back-up mirrors on delivery trucks.
  • 07/12/1993 - Reverse signal alarms for motor vehicles.
  • 07/20/1990 - Use of a strobe light in lieu of an audible backup alarm.
  • 12/18/1984 - Use of an electronic back-up mirror used with a reverse audible alarm.
Public Inquiries Relating to Backup Alarms
  • 11/03/1998 - Requirements for back-up alarms on construction vehicles.
  • 10/29/1991 - Noise and potential hazard of backup alarms on equipment at construction sites.
Compliance Issues Relating to Obstructed View to the Rear
  • 12/10/1984 - Clarification of application and requirements for unobstructed view for 1926.601(a).
Vehicles Causing the Most Backover Fatalities 2005-2010+
Dump Truck 67
Semi/Tractor Trailer 40
Truck 30
Forklift 21
Garbage Truck 20
Pick-up Truck 16

+OSHA Integrated Management Information System data


Back to Top

Thank You for Visiting Our Website

You are exiting the Department of Labor's Web server.

The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. The Department of Labor also cannot authorize the use of copyrighted materials contained in linked Web sites. Users must request such authorization from the sponsor of the linked Web site. Thank you for visiting our site. Please click the button below to continue.