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Test results of collision warning systems on off-highway dump trucks: phase 2.

Ruff TM
Spokane, WA: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2001-100, (RI 9654), 2001 Feb; :1-21
This report summarizes ongoing research at the National Institute for Occupational Safety and Health, Spokane Research Laboratory, in which collision warning systems for surface mining dump trucks are being evaluated. Common accidents involve these large trucks running over smaller vehicles or pedestrian workers. Collision warning systems currently use one of several methods, including radar, radio-frequency-signal detection, or ultrasonic signals, to detect and warn of the presence of an object or person in the blind spots of the mining equipment. Most available systems have not been tested on large off-highway dump trucks. This report evaluates several systems on two sizes of trucks, a 50-ton-capacity truck commonly used in quarries and construction and a 240-ton-capacity truck commonly used in open-pit mines. Tests were conducted to determine false alarm rates, alarm effectiveness, and reliable detection zones for a person and a pickup truck. The results indicate that radar and radiofrequency identification systems show promise for this application and that several of the improved systems are ready for extensive field tests. However, challenges still exist in applying these technologies to large trucks.
Mining-industry; Mining-equipment; Mine-safety; Safety-equipment; Safety-engineering; Accident-prevention; Warning-devices; Warning-systems
Publication Date
Document Type
Numbered Publication; Report of Investigations
Fiscal Year
NTIS Accession No.
NTIS Price
Identifying No.
DHHS (NIOSH) Publication No. 2001-100; RI-9654
NIOSH Division
Source Name
National Institute for Occupational Safety and Health
Page last reviewed: June 16, 2022
Content source: National Institute for Occupational Safety and Health Education and Information Division