Mixed Mode Transit Systems · Illinois
4111 Signal Maintenance
Chicago, IL · ~123 workers · 2 years of OSHA Injury Tracking Application data.
- C
- Average Safety Record
- 4.5
- Avg TCR
- 4.5
- Industry avg
- 0
- Fatalities
The verdict
4111 Signal Maintenance runs at 100% of its industry's injury rate - about level with the typical Mixed Mode Transit Systems workplace, earning a grade C.
4111 Signal Maintenance: 4.5 TCR = 100% of Mixed Mode Transit Systems BLS 4.5 · 2y Form 300A (see methodology below)
4111 Signal Maintenance safety composite
4111 Signal Maintenance scores strongest on dart rate (safer than 82% of same-industry peers) and weakest on fatalities (safer than 51%), 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).
67/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- C 4.52 per 100 workers
Safer than 64% of industry peers
- DART rate
- B 0.76 per 100 workers
Safer than 82% 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%).
TCR Δ
−4.5
2023→2024
4111 Signal Maintenance injury rate improved
4111 Signal Maintenance's TCR fell 4.5 from 6.8 in 2023 to 2.3 in 2024. Peak filing year was 2023 at 6.8 TCR. In 2024, DART was 0.17× this establishment's average TCR (severity share of cases).
2023=6.8 · 2024=2.3
OSHA ITA Form 300A scorecard
Establishment book 485111 · Chicago, IL ABOVE-IND · MID
Grade C · TCR 4.5 · 100% of ind
- DART 0.8 DART
- RANK #31/137
- PHOTO Springdale, AR -- Jo…
- BOOK 2y book
- INJ 12 inj
- SIZE ~123 FTE
Nearest TCR peer: Springdale, AR -- Johnson Road (0.0 TCR gap)
Read with this employer → · Industry book → · Illinois employers → · Look up another →
4111 Signal Maintenance in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- Location 30
Location 30
4.6 TCR
- 1152 KEDZIE MA
1152 KEDZIE MAINTENANCE
4.6 TCR
- This site
4111 Signal Maintenance
4.5 TCR
- Springdale, AR
Springdale, AR -- Johnson Road
4.5 TCR
- 7901 BUS BTRA
7901 BUS BTRA CINDERBED TRANS
4.4 TCR
What this shows 4111 Signal Maintenance averages 4.5 TCR (100% of the Mixed Mode Transit Systems BLS benchmark).
4111 Signal Maintenance TCR series: 2023=6.8 · 2024=2.3 · BLS 4.5
Where 4111 Signal Maintenance falls in its industry
421 Mixed Mode Transit Systems establishmentsSafer than 64% of graded establishments in this industry, whose median TCR is 5.8.
Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #31 safest of 137 Mixed Mode Transit Systems employers in Illinois.
4111 Signal Maintenance has fewer employees than the Mixed Mode Transit Systems median and a lower 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 | 2.3 | 0.8 | 3 | 0 | 0 |
| 2023 | 6.8 | 4.5 | 9 | 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 | Springdale, AR -- Johnson Road | 4.5 TCR |
| NAICS-TCR | Location 30 | 4.6 TCR |
| NAICS-TCR | 7901 BUS BTRA CINDERBED TRANS | 4.4 TCR |
| NAICS-TCR | 1152 KEDZIE MAINTENANCE | 4.6 TCR |
| STATE-SIZE | City of Oak Forest - Public Works | 123 FTE |
| STATE-SIZE | D.R. Horton, Inc. - Midwest (Chicago) | 123 FTE |
| STATE-SIZE | Reyes Group Ltd | 123 FTE |
| STATE-SIZE | Iroquois Paving Corporation | 123 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 | Symphony at Mentor | 4.5 TCR |
| NAT-TCR | 01-LM | 4.5 TCR |
| NAT-TCR | AVON | 4.5 TCR |
| NAT-TCR | Martha Franks Retirement Community | 4.5 TCR |
| NAT-SIZE | Roberts Capitol, Inc. | 123 FTE |
| NAT-SIZE | Services Plus, Inc. | 123 FTE |
| NAT-SIZE | Amcor Specialty Cartons Richmond | 123 FTE |
| NAT-SIZE | Sodexo at Utmb League City Campus | 123 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.