THREE PHASE LINE CONSTRUCTION INC

USDOT 635578

Active

Active, interstate carrier, large fleet (504 power units) — no FMCSA safety rating on record (common).

USDOT635578
MC Number
Fleet504 power units
Drivers236
Phone6037559611
LocationFarmington, NH

Vetting summary

At a glance

  • Out-of-service rate19.4% vs 19.1% national avg
  • Crashes (24 months)4 reported — involvement does not imply fault

These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.

Registration

Carrier identity

USDOT Number635578
MC Number
Legal NameTHREE PHASE LINE CONSTRUCTION INC
DBA Name
Entity TypeCORPORATION
Phone6037559611
Address25 MAIN ST, Farmington, NH, 03835

Status

Authority & safety

Operating StatusActive
Operation TypeInterstate
Safety RatingNone on record — most carriers have not received a formal FMCSA safety rating.
Hazmat Flagfalse

Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.

Our scoring

Safety scores

Unsafe Driving
78 / 100
Hours-of-Service Compliance
0 / 100
Driver Fitness
92 / 100
Controlled Substances & Alcohol
0 / 100
Vehicle Maintenance
70 / 100

Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.

Safety events

Inspections & crashes (last 24 months)

Inspections31
Out-of-Service Rate19.4% vs 19.1% national average
Crashes4 total (0 fatal, 2 with injuries, 4 towaway)
  • 2025-10-16 — IN — towaway
  • 2025-10-01 — IL — 1 injured, towaway
  • 2025-06-04 — IL — towaway
  • 2024-10-17 — VA — 1 injured, towaway
  • 2024-01-04 — ME — 2 injured, towaway

Most frequent violation categories: 16 (7), 12 (4), 14 (3).

Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.

Equipment

Fleet & operations

Power Units (trucks)504
Drivers236
Recent Annual Mileage4,276,869
Last MCS-150 Filing06-MAY-26

THREE PHASE LINE CONSTRUCTION INC operates 504 power units — a larger fleet than 100% of carriers registered in NH.

Nearby

Other carriers in Farmington, NH

Browse all carriers in Farmington, NH or all NH carriers.