System collects collision, near miss, hazard, theft, and other incident reports. Incident details include type, object, bicycle type, and speed. Conditions include road conditions, sight lines, and terrain
Exxon Valdez tanker struck Bligh Reef in Prince William Sound on March 23, 1989. Captain Hazelwood was not on bridge, Third Mate had no license. Radar malfunctioned for over a year before the accident
LTI is an injury causing fatality, permanent disability or lost work time. Only injuries occurring on the job count towards LTI metrics. Lost time can range from one day to permanent disability
LTIFR measures lost time injuries per million hours worked. Lost time injury requires 24+ hours absence or death/permanent disability. LTIFR is considered most useful safety KPI
Severity rate measures injury severity using lost days per accident. Formula uses 100 full-time workers working 200 hours annually. Calculated as (lost days x 200,000) divided by total work hours
Lost time injury is any job-related injury preventing one-day/shift work. LTIFR measures injuries per million man hours worked. Calculated as (number of injuries x 1,000,000) divided by total hours worked