Mining Incidents

Martin Marietta Materials IncController

MSHA Controller ID: M00174
Fatalities
19
Total incidents
2,775
Mines on record
322
Years on record
2000–2026

Safety benchmark

Recorded fatalities relative to other controllers with a fatal MSHA history. Percentile is computed across the 590 controllers with at least one recorded fatality.

Fatality-count percentile
99th

More recorded fatalities than 99% of controllers on file.

Rank
#6of 590

Position when controllers are sorted by recorded fatalities.

Vs industry mean
9.3×

Industry mean: 2.0 fatalities per fatal-history controller.

This controller
19
Industry mean
2
Industry median
1
Peers at similar incident volume

Methodology: percentile and rank computed across MSHA controllers with at least one recorded fatality. Industry mean is the average across that same population. Peers are sampled by closest total-incident count, regardless of fatality outcome.

Top causes

  • POWERED HAULAGE4 fatalities · 70 non-fatal
  • SLIP OR FALL OF PERSON3 fatalities · 181 non-fatal
  • MACHINERY1 fatality · 91 non-fatal
  • OTHER1 fatality · 65 non-fatal
  • EXPLOSIVES AND BREAKING AGENTS1 fatality · 2 non-fatal
  • HANDLING OF MATERIALS341 non-fatal

Incident timeline

2026
11
2025
71 (1f)
2024
79 (3f)
2023
78 (1f)
2022
68
2021
74 (2f)
2020
76 (1f)
2019
89
2018
87
2017
74
2016
99 (1f)
2015
79
2014
59 (1f)
2013
56

Operators under this controller

Mines on record

Fatalities under this controller

19 recorded
Caught in, under or between running or meshing objects

Employee was found entangled in conveyor 12 tail pulley. Responding authorities pronounced the employee deceased. Incident is still under investigation.

Fall from machine

Employee found face down on ground next to loader EE was operating. Responding authorities pronounced employee deceased. Incident is still under investigation.

Caught in, under or between a moving and a stationary object

Employee was fatally injured while working on a conveyor system.

Drowning

Based on investigation to date, employee suffered a personal medical event (cardiac arrest). ""Per Prelim: After washing a concrete pad, a miner drowned in a two-foot-deep pool of water.""

Fall from scaffolds, walkways, platforms

An employee was fatally injured when they fell from an opening in an elevated catwalk.

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.

Struck by powered moving object

An employee was fatally injured when EE was struck by a third-party truck driver who failed to stop at a posted, lighted, STOP sign and made a sudden turn off the primary travel way. Local law enforcement arrested the third-party truck driver and charged the driver in connection with the accident.

Struck by falling object

Customer driver was found unresponsive outside the customer's truck. Cause of death is unknown.

Struck by flying object

On March 22, 2016 at approximately 6:35pm an employee was struck by flyrock after a shot was detonated. The employee was sitting inside of a pickup approximately 1,200 feet away from the shot when detonated. This incident resulted in a fatality.

Fall from machine

Emp a contract worker repairing a Scaler in Mod 12. The emp had fallen to the ground in fetal position, locked arms, clenched fist and bleeding from the ears. The witness did not know if the emp fell from a height or ground level. The injured emp was airlifted. He was lacking oxygen to brain for 10 minutes. He was pronounced dead at 9:45AM on Feb 28.