2,042,423Injury reports 130,778Establishments Most recent incident 2025-12-31
Safety Incidents OSHA Severe Injury Reports · 2015–2025

CHICAGO, IL —

OSHA Injury Report: 4111 SIGNAL MAINTENANCE

Injury · Days away from work

At a glance

On , an injury at 4111 SIGNAL MAINTENANCE in W S POWER WAY 3900 W MAYPOLE, CHICAGO, IL 60624 resulted in days away from work. Employee was sIGNAL MAINTAIN in mixed Mode Transit Systems.

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Where did this happen?

Establishment
4111 SIGNAL MAINTENANCE
Parent company
Chicago Transit Authority SIGNAL MAINTENANCE
Street
W S POWER WAY 3900 W MAYPOLE
City
CHICAGO
State
IL
ZIP
60624
On-site location
SIGNAL MAINTENANCE

What was the outcome?

Outcome
Days away from work (code 2)
Type
Injury (code 1)
Days away from work
9

Before the incident

THE EE WAS PICKING UP A BIN OF MATERIAL

What happened

The EE injured his lower back while lifting a plastic bin that was filled with material

Injury or illness

Strained Posterior Back Lifting A bin full of materials

Object or substance involved

A bin full of materials

Summary line

The EE injured his lower back while lifting a plastic bin that was filled with material

Employee and industry

Job description
SIGNAL MAINTAIN
SOC code
9999 — Uncoded
NAICS code
485111 — Mixed Mode Transit Systems
NAICS vintage
2022
Avg employees
124
Total hours worked
262830
EIN
362164842
Establishment ID
1173509
Employer case #
1587

When (timing detail)

Date of incident
Shift started
6:00
Time of incident
9:00
Filing year
2024
Submitted
25FEB2025:21:25:00

More injuries at 4111 SIGNAL MAINTENANCE

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Source

Data from OSHA ITA Form 300/301 electronic submissions, filing year 2024. ITA Case Detail records are establishment-reported submissions, not OSHA inspections — no per-record IMIS deep link exists.