Overpass construction · Indiana

Gridlock Traffic Systems, Inc.

Indianapolis, IN · ~32 workers · 9 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Gridlock Traffic Systems, Inc. runs at 193% of its industry's injury rate - more dangerous than the typical Overpass construction workplace, earning a grade D.

Gridlock Traffic Systems, Inc.: 5.4 TCR = 193% of Overpass construction BLS 2.8 · 9y Form 300A (see methodology below)

Gridlock Traffic Systems, Inc. safety composite

Gridlock Traffic Systems, Inc. scores strongest on fatalities (safer than 53% 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

26/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.39 per 100 workers

Safer than 26% of industry peers

DART rate
F 8.11 per 100 workers

Safer than 7% 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

−4.4

2016→2024

Gridlock Traffic Systems, Inc. injury rate improved

Gridlock Traffic Systems, Inc.'s TCR fell 4.4 from 12.5 in 2016 to 8.1 in 2024. Peak filing year was 2019 at 12.7 TCR. In 2024, DART was 1.5× this establishment's average TCR (severity share of cases).

2016=12.5 · 2017=3.2 · 2018=0.0 · 2019=12.7 · 2020=0.0 · 2021=3.4 · 2022=3.4 · 2023=5.3 · 2024=8.1

OSHA ITA Form 300A scorecard

Establishment book 237310 · Indianapolis, IN ABOVE-IND · SMALL

Grade D · TCR 5.4 · 193% of ind

  • DART 8.1 DART
  • RANK #68/95
  • PHOTO Peek Pavement Markin…
  • BOOK 9y book
  • INJ 16 inj
  • SIZE ~32 FTE

Nearest TCR peer: Peek Pavement Marking Columbia, SC (0.0 TCR gap)

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

Gridlock Traffic Systems, Inc. in the TCR neighbourhood

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

TCR

What this shows Gridlock Traffic Systems, Inc. averages 5.4 TCR (193% of the Overpass construction BLS benchmark).

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

Gridlock Traffic Systems, Inc. TCR series: 2016=12.5 · 2017=3.2 · 2018=0 · 2019=12.7 · 2020=0 · 2021=3.4 · 2022=3.4 · 2023=5.3 · 2024=8.1 · BLS 2.8

Where Gridlock Traffic Systems, Inc. falls in its industry

4,078 Overpass construction establishments

Safer than 26% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Indiana alone (the establishments it most directly competes with for workers and contracts): ranked #68 safest of 95 Overpass construction employers in Indiana.

Gridlock Traffic Systems, Inc. (32 employees, TCR 5.4) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0 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 01,0002,0003,000 0102030 Average employees Total Case Rate Gridlock Traffic Systems, Inc.
Gridlock Traffic Systems, Inc. (32 employees, TCR 5.4) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0

Gridlock Traffic Systems, Inc. has fewer employees than the Overpass construction median and a higher injury rate than the industry's median TCR of 3.0. 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 8.1 8.1 3 0 0
2023 5.3 5.3 2 0 0
2022 3.4 3.4 1 0 0
2021 3.4 3.4 1 0 0
2020 0.0 0.0 0 0 0
2019 12.7 6.3 4 0 0
2018 0.0 0.0 0 0 0
2017 3.2 3.2 1 0 0
2016 12.5 9.4 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237310 · IN · Indianapolis

4,078 Overpass construction employers nationwide with a credible TCR · 12,750 rated employers in Indiana with headcount on file · 2,074 employers in Indianapolis, IN · 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 Peek Pavement Marking Columbia, SC 5.4 TCR
NAICS-TCR 2003 William IH 35 5.4 TCR
NAICS-TCR MoPac Improvements - LGEC 5.4 TCR
NAICS-TCR SPS New England Inc. 5.4 TCR
STATE-SIZE R. Gallagher Generating Station 32 FTE
STATE-SIZE Aurora 32 FTE
STATE-SIZE Jasper County REMC Headquarters 32 FTE
STATE-SIZE Indiana American Water-Northwest District Borman Park Water Treatment Plant 32 FTE
CITY-NEAR Indiana University Health, Inc 7,874 FTE
CITY-NEAR Methodist Hospital 6,862 FTE
CITY-NEAR Eli Lilly - Lilly Corp Center 6,482 FTE
CITY-NEAR Lilly Technology Center 6,472 FTE
NAT-TCR H.P. Starr Lumber Compamy LLC 2 5.4 TCR
NAT-TCR Jensen Castings, LLC 5.4 TCR
NAT-TCR The Williamsport Hospital 5.4 TCR
NAT-TCR Tri-County Electric- Blanchard 5.4 TCR
NAT-SIZE Tri-Steel corporation 32 FTE
NAT-SIZE Creekside Community High School 32 FTE
NAT-SIZE Hickory Construction Company 32 FTE
NAT-SIZE McDonnell Roofing Inc 32 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, 2022, 2021, 2020, 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.