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Martin Marietta Materials Soutwest, LLC operator

Controlled by Martin Marietta Materials Inc

MSHA operator ID: 0084984

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Email me when a new MSHA incident is filed at any Martin Marietta Materials Soutwest, LLC mine.

Fatalities: 1
Total incidents: 67
Mines on record: 22
Years on record: 2007–2026

Compliance record

MSHA citations since 2008

834

citations

112

significant & substantial

$248,347

proposed penalties

$219,473

paid to date

Source: MSHA violations data, updated weekly.

Top causes

POWERED HAULAGE 1 fatality · 5 non-fatal
HANDLING OF MATERIALS 19 non-fatal
SLIP OR FALL OF PERSON 13 non-fatal
HANDTOOLS (NONPOWERED) 10 non-fatal
MACHINERY 9 non-fatal
OTHER 5 non-fatal

Incident timeline

2026

2025

2024

2023

2022

2021

3 (1f)

2020

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2008

2007

Mines on record

Fatalities under this operator

1 recorded

December 13, 2021 TX · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE

Martin Marietta Materials Southwest, LLC · Caught in, under or between a moving and a stationary object

Customer truck driver pulled into tarping area behind another truck and failed to set parking brake before exiting the truck. The driver did not use wheel chocks as required. The customer truck driver was fatally injured when customer's truck moved forward and pinned customer truck driver against the other drivers truck.