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Safety Incidents OSHA Severe Injury Reports · 2015–2025

CHICAGO, IL —

OSHA Injury Report: 4111 SIGNAL MAINTENANCE

Injury · Other recordable case

At a glance

On , an injury at 4111 SIGNAL MAINTENANCE in W S POWER WAY 3900 W MAYPOLE, CHICAGO, IL 60624 resulted in other recordable case. Employee was eLECTRICAL MAIN 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 MAINTENACE

What was the outcome?

Outcome
Other recordable case (code 4)
Type
Injury (code 1)

Before the incident

WALKING

What happened

EE slipped walking down stairs to get a part when his injuring his right knee

Injury or illness

Sprained Right Knee Fall from different level stairs

Object or substance involved

stairs

Summary line

EE slipped walking down stairs to get a part when his injuring his right knee

Employee and industry

Job description
ELECTRICAL MAIN
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 #
1073

When (timing detail)

Date of incident
Shift started
6:00
Time of incident
8:35
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.