School bus services · Iowa

STA-Iowa (IOA-000)

Johnston, IA · ~65 workers · 5 years of OSHA Injury Tracking Application data.

C
Average Safety Record
5.3
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

STA-Iowa (IOA-000) runs at 119% of its industry's injury rate - about level with the typical School bus services workplace, earning a grade C.

STA-Iowa (IOA-000): 5.3 TCR = 119% of School bus services BLS 4.5 · 5y Form 300A (see methodology below)

STA-Iowa (IOA-000) safety composite

STA-Iowa (IOA-000) scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 7%), 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).

F

29/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 5.34 per 100 workers

Safer than 35% of industry peers

DART rate
F 9.34 per 100 workers

Safer than 7% of industry peers

Fatalities
D 0

Safer than 50% 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

STA-Iowa (IOA-000): 2.6 → 12.4 TCR

Peak year 2021 @ 12.4 TCR · DART/TCR 1.75× in 2021

STA-Iowa (IOA-000)'s TCR rose 9.9 from 2.6 in 2017 to 12.4 in 2021. In 2021, DART was 1.75× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 485410 · Johnston, IA ABOVE-IND · SMALL

Grade C · TCR 5.3 · 119% of ind

  • DART 9.3 DART
  • RANK #10/22
  • PHOTO 6031 GREAT LAKES REG…
  • BOOK 5y book
  • INJ 10 inj
  • SIZE ~65 FTE

Nearest TCR peer: 6031 GREAT LAKES REGION-TALLMADGE OH (0.0 TCR gap)

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STA-Iowa (IOA-000) in the TCR neighbourhood

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

TCR

What this shows STA-Iowa (IOA-000) averages 5.3 TCR (119% of the School bus services BLS benchmark).

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

STA-Iowa (IOA-000) TCR series: 2017=2.6 · 2018=7.2 · 2019=4.5 · 2020=0 · 2021=12.4 · BLS 4.5

Where STA-Iowa (IOA-000) falls in its industry

1,574 School bus services establishments

Safer than 35% of graded establishments in this industry, whose median TCR is 4.3.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #10 safest of 22 School bus services employers in Iowa.

STA-Iowa (IOA-000) (65 employees, TCR 5.3) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 4.3 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 0100200300400500 05101520 Average employees Total Case Rate STA-Iowa (IOA-000)
STA-Iowa (IOA-000) (65 employees, TCR 5.3) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 4.3

STA-Iowa (IOA-000) has fewer employees than the School bus services median and a higher injury rate than the industry's median TCR of 4.3. 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
2021 12.4 9.3 4 0 0
2020 0.0 0.0 0 0 0
2019 4.5 4.5 2 0 0
2018 7.2 4.8 3 0 0
2017 2.6 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

485410 · IA · Johnston

1,574 School bus services employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 76 employers in Johnston, IA · 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 6031 GREAT LAKES REGION-TALLMADGE OH 5.3 TCR
NAICS-TCR 2662-4135 5.3 TCR
NAICS-TCR 143013-Escondido | CA | SAN-565 5.3 TCR
NAICS-TCR ECS Transportation LLC 5.4 TCR
STATE-SIZE PDA Duane Arnold 65 FTE
STATE-SIZE Dubuque Operating Center 65 FTE
STATE-SIZE Forrest and Associate Inc 65 FTE
STATE-SIZE Cedar Rapids, IA/Quad Cities HVAC 65 FTE
CITY-NEAR John Deere Financial Johnston 1,069 FTE
CITY-NEAR CSC 639 FTE
CITY-NEAR ChildServe Center 621 FTE
CITY-NEAR DuPont Pioneer Johnston Campus - JH60 Franklin 486 FTE
NAT-TCR MultiCare Pulse Admin (Company 84) 5.3 TCR
NAT-TCR Staples FC 683 5.3 TCR
NAT-TCR 801 Irvine Spectrum Center 5.3 TCR
NAT-TCR Croton Mill 5.3 TCR
NAT-SIZE 2077-Us Dd Nw Jersey City Branch 65 FTE
NAT-SIZE Custom Metalcraft (Plant 1) 65 FTE
NAT-SIZE Sodexo at Holy Cross Village @ Notre Dam 65 FTE
NAT-SIZE Sodexo at Hca - Conroe Regional 65 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: 2021, 2020, 2019, 2018, 2017. 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.