Carrier profile · USDOT 296964 · Updated Jun 13, 2026

Dartmouth Building Supply Inc

21 power unitsavg 5.7 yrLocal · 2 statesNORTH DARTMOUTH, MA88/100

AUTHORITY STATUS UNKNOWNRATED CONDITIONALHAZMAT

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 0.0%24-mo cumulative

050%

Driver OOS 0.0%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 2 vehicle and 9 driver inspections over 24 months.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

9 inspections in the charted months · busiest month Jan '25 · 2

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Thin coverage

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.2 / unit·yr

thin signalabundant signal

Few roadside inspections for a 21-unit fleet — the out-of-service and violation signals above rest on a small sample, so weight them cautiously. Thin coverage on a young authority is itself a flag.

Registered power units: 21
Inspections · 24 mo: 9
Annualized: ≈5 / yr
Coverage: ≈0.2 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

48%

Unsafe Driving

Vektor peer est.

Hours-of-Service

0violations

clean · per-BASIC

Driver Fitness

0violations

clean · per-BASIC

Controlled Substances

0violations

clean · per-BASIC

Vehicle Maintenance

3.6measure

SMS · per-BASIC

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving9 · 0 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance4 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance4 · 0 OOS
392.16 Failure to use seat beltUnsafe Driving3 · 0 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance1 · 1 OOS
392.82 Using a hand-held mobile phoneUnsafe Driving1 · 0 OOS
393.53 Automatic brake adjusters / indicatorsVehicle Maintenance1 · 0 OOS
391.41 No / expired medical certificateDriver Fitness1 · 0 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 13 inspections — a clean logging history.

Crash history· 16 total · 1 in 24 mo

Total crashes

In last 24 mo

Fatal

Injury

Year	Crashes	Fatal	Injury	Tow
2026	1	0	0	1
2021	1	0	1	1
2019	1	0	0	1
2018	1	0	0	1
2017	2	0	1	2
2016	1	0	0	1
2015	1	0	1	1
2014	1	0	1	1
2013	3	1	1	3
2008	2	0	2	2
2005	2	0	0	2

Date	State	Fatalities	Injuries	Tow-away
Feb 5, 2026	MA	0	0	Yes
Sep 17, 2021	MA	0	1	Yes
Apr 8, 2019	MA	0	0	Yes
Feb 27, 2018	MA	0	0	Yes
Dec 7, 2017	RI	0	2	Yes
Jan 16, 2017	MA	0	0	Yes
May 11, 2016	MA	0	0	Yes
Dec 11, 2015	MA	0	1	Yes
Mar 19, 2014	MA	0	1	Yes
Nov 1, 2013	RI	0	2	Yes
May 21, 2013	MA	1	0	Yes
May 6, 2013	MA	0	0	Yes
Sep 30, 2008	RI	0	1	Yes
Mar 5, 2008	MA	0	1	Yes
Dec 15, 2005	MA	0	0	Yes
Sep 22, 2005	RI	0	0	Yes