Government - Transportation · Iowa

Iowa DOT - District 1 Maintenance

Name: Iowa DOT - District 1 Maintenance Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Ames, IA · ~33 workers · 4 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 1.9
Avg TCR: 3.2
Industry avg: 0
Fatalities

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The verdict

Iowa DOT - District 1 Maintenance runs at 59% of its industry's injury rate - safer than the typical Government - Transportation workplace, earning a grade B.

Iowa DOT - District 1 Maintenance: 1.9 TCR = 59% of Government - Transportation BLS 3.2 · 4y Form 300A (see methodology below)

Iowa DOT - District 1 Maintenance safety composite

Iowa DOT - District 1 Maintenance scores strongest on dart rate (safer than 81% of same-industry peers) and weakest on fatalities (safer than 53%), 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).

68/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 1.89 per 100 workers

Safer than 65% of industry peers
DART rate: B 0 per 100 workers

Safer than 81% of industry peers
Fatalities: D 0

Safer than 53% 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

−3.6

2019→2022

Iowa DOT - District 1 Maintenance injury rate improved

Iowa DOT - District 1 Maintenance's TCR fell 3.6 from 3.6 in 2019 to 0.0 in 2022. Peak filing year was 2020 at 4.0 TCR. In 2022, DART was 0× this establishment's average TCR (severity share of cases).

2019=3.6 · 2020=4.0 · 2021=0.0 · 2022=0.0

OSHA ITA Form 300A scorecard

Establishment book 926120 · Ames, IA AT/BELOW-IND · SMALL

Grade B · TCR 1.9 · 59% of ind

DART 0.0 DART
RANK #4/15
PHOTO 9507_9550: Traffic M…
BOOK 4y book
INJ 2 inj
SIZE ~33 FTE

Nearest TCR peer: 9507_9550: Traffic Mgt & Telecomm - Point Breeze - 2330 (0.0 TCR gap)

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

This site

1.9
9507_9550: Tra

1.9
CO Bureau of M

1.9
Iowa DOT - Acc

1.9
Saluda Residen

1.8

What this shows Iowa DOT - District 1 Maintenance averages 1.9 TCR (59% of the Government - Transportation BLS benchmark).

Iowa DOT - District 1 Maintenance TCR series: 2019=3.6 · 2020=4 · 2021=0 · 2022=0 · BLS 3.2

Where Iowa DOT - District 1 Maintenance falls in its industry

208 Government - Transportation establishments

Safer than 65% of graded establishments in this industry, whose median TCR is 3.6.

Grade B

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 15 Government - Transportation employers in Iowa.

Iowa DOT - District 1 Maintenance (33 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 172 employees and a TCR of 3.6

Iowa DOT - District 1 Maintenance has fewer employees than the Government - Transportation median and a lower injury rate than the industry's median TCR of 3.6. 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
2022	0.0	0.0	0
2021	0.0	0.0	0
2020	4.0	0.0	1
2019	3.6	3.6	1

OSHA ITA peer cross-reference

Establishment peer ledger

926120 · IA · Ames

208 Government - Transportation employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 170 employers in Ames, IA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	9507_9550: Traffic Mgt & Telecomm - Point Breeze - 2330	BALTIMORE, MD	1.9 TCR
NAICS-TCR	CO Bureau of Materials	SPRINGFIELD, IL	1.9 TCR
NAICS-TCR	Saluda Residency	SALUDA, VA	1.8 TCR
NAICS-TCR	Iowa DOT - Accounting	AMES, IA	1.9 TCR
STATE-SIZE	Beck's Marshalltown	MARSHALLTOWN	33 FTE
STATE-SIZE	Select Genetics IA Hatchery & Logistics	OSCEOLA	33 FTE
STATE-SIZE	East-Central Iowa Rural Electric Cooperative	URBANA	33 FTE
STATE-SIZE	Keokuk Contractors LLC	KEOKUK	33 FTE
CITY-NEAR	ISU - University Wide	Ames	13,316 FTE
CITY-NEAR	ISU - On Campus	Ames	12,527 FTE
CITY-NEAR	Mary Greeley Medical Center- Main Hospital	Ames	1,415 FTE
CITY-NEAR	Mary Greeley Medical Center	Ames	1,277 FTE
NAT-TCR	GMI Acquisition LLC	Franklin, NH	1.9 TCR
NAT-TCR	Trinity Stainless Inc.	Nixa, MO	1.9 TCR
NAT-TCR	Capone Iron - Rowley	Rowley, MA	1.9 TCR
NAT-TCR	Masonite Corp. - Winchester	Winchester, VA	1.9 TCR
NAT-SIZE	Irvine Mechanical, Inc.	Orlando, FL	33 FTE
NAT-SIZE	Georgia Infirmary	Savannah, GA	33 FTE
NAT-SIZE	Mountain View Co-op Conrad Retail	Black Eagle, MT	33 FTE
NAT-SIZE	Plaza Construction DC	Washington, DC	33 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: 2022, 2021, 2020, 2019. 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.