Mining Incidents

Highway Materials LLC operator

Controlled by Heidelberg Materials AG
MSHA operator ID: L35200
Fatalities
0
Total incidents
79
Mines on record
4
Years on record
1998–2025
Compliance record
MSHA citations since 2000
301
citations
60
significant & substantial
$67,886
proposed penalties
$57,744
paid to date
85% of proposed penalties paid to date, a $10,142 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
184
inspections on record
3,426
inspection hours
8.8
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
301 citations across 3,426 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$68K
proposed penalties
$58K
current assessed
$58K
paid to date
$36
outstanding
298 assessments are final orders; 7 contested dockets.
As of the most recent assessment on 2025-03-17.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2025
1
2024
2
2023
1
2021
6
2019
1
2018
3
2017
3
2015
3
2014
2
2012
4
2011
3
2010
2
2009
4
2008
6
2007
1
2006
2
2005
4
2004
8
2003
4
2002
2
2001
4
2000
6
1999
5
1998
2

Mines on record

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The full compliance file on Highway Materials LLC

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.