Mixed Mode Transit Systems · Illinois

1122 77th Street Maintenance

Chicago, IL · ~98 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
7.5
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

1122 77th Street Maintenance runs at 167% of its industry's injury rate - more dangerous than the typical Mixed Mode Transit Systems workplace, earning a grade D.

1122 77th Street Maintenance: 7.5 TCR = 167% of Mixed Mode Transit Systems BLS 4.5 · 2y Form 300A (see methodology below)

1122 77th Street Maintenance safety composite

1122 77th Street Maintenance scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 21%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

D

35/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 7.5 per 100 workers

Safer than 38% of industry peers

DART rate
F 7.87 per 100 workers

Safer than 21% of industry peers

Fatalities
D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Rising injury rate

1122 77th Street Maintenance: 6.2 → 8.9 TCR

Peak year 2024 @ 8.9 TCR · DART/TCR 1.05× in 2024

1122 77th Street Maintenance's TCR rose 2.7 from 6.2 in 2023 to 8.9 in 2024. In 2024, DART was 1.05× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 485111 · Chicago, IL ABOVE-IND · SMALL

Grade D · TCR 7.5 · 167% of ind

  • DART 7.9 DART
  • RANK #67/137
  • PHOTO TriMet Elmonica Oper…
  • BOOK 2y book
  • INJ 14 inj
  • SIZE ~98 FTE

Nearest TCR peer: TriMet Elmonica Operations Facility (0.0 TCR gap)

Read with this employer → · Industry book → · Illinois employers → · Look up another →

1122 77th Street Maintenance in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows 1122 77th Street Maintenance averages 7.5 TCR (167% of the Mixed Mode Transit Systems BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

1122 77th Street Maintenance TCR series: 2023=6.2 · 2024=8.9 · BLS 4.5

Where 1122 77th Street Maintenance falls in its industry

421 Mixed Mode Transit Systems establishments

Safer than 38% of graded establishments in this industry, whose median TCR is 5.8.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #67 safest of 137 Mixed Mode Transit Systems employers in Illinois.

1122 77th Street Maintenance (98 employees, TCR 7.5) among 29 same-industry peers, split at the industry median of 217 employees and a TCR of 5.8 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 05001,0001,500 05101520 Average employees Total Case Rate 1122 77th Street Maintenance
1122 77th Street Maintenance (98 employees, TCR 7.5) among 29 same-industry peers, split at the industry median of 217 employees and a TCR of 5.8

1122 77th Street Maintenance has fewer employees than the Mixed Mode Transit Systems median and a higher injury rate than the industry's median TCR of 5.8. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 8.9 7.9 8 1 0
2023 6.2 4.1 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

485111 · IL · Chicago

421 Mixed Mode Transit Systems employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 2,934 employers in Chicago, IL · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR TriMet Elmonica Operations Facility 7.5 TCR
NAICS-TCR Community Transit 7.5 TCR
NAICS-TCR 1953-2251 7.5 TCR
NAICS-TCR Trans-Bridge Lines, Inc. 7.5 TCR
STATE-SIZE EC&R Services, LLC-Wind Chicago 98 FTE
STATE-SIZE AMEREN ILLINOIS - Marion 98 FTE
STATE-SIZE North Shore Water Reclamation District 98 FTE
STATE-SIZE Main Office 98 FTE
CITY-NEAR Chicago Public Schools 49,500 FTE
CITY-NEAR Chicago/Corporate 18,831 FTE
CITY-NEAR University of Illinois at Chicago 13,092 FTE
CITY-NEAR University Health Service UIC UIC Campus 12,732 FTE
NAT-TCR Rancho Dominguez 7.5 TCR
NAT-TCR Henry Poor Lumber 7.5 TCR
NAT-TCR The Bristal at Englewood 7.5 TCR
NAT-TCR Tortilla King LLC 7.5 TCR
NAT-SIZE Universal Bakery, Inc. 98 FTE
NAT-SIZE Geomet Recycling LLC 98 FTE
NAT-SIZE HB Farmer Foundation 98 FTE
NAT-SIZE Midway Auto Parts 98 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.