DEE BUS SERVICE INC
AUTHORIZEDUSDOT
18283
MC Number
139560
Fleet Size
240
Total Drivers
230
Last updated: March 16, 2026
Safety overview
DEE BUS SERVICE INC is a large interstate motor carrier based in SHIRLEY, Massachusetts, operating 240 power units with 230 drivers. All 5 BASIC scores sit well below FMCSA intervention thresholds, which is a good sign for anyone vetting this carrier. They have 9 crashes on file (3 with injuries). FMCSA records show 2 inspections for this carrier.
BASIC scores
SMS PercentilesHigher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Massachusetts is 13.3% and the average vehicle OOS rate is 27.8% across 37,564 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
What are BASIC scores?
FMCSA tracks carrier performance through its Safety Measurement System (SMS), which scores carriers across six categories called BASICs. Each score is a percentile from 0 to 100, based on inspection and crash data from the past 24 months.
A score of 65 means the carrier performed worse than 65% of its peers. Anything above 75% can trigger FMCSA alerts or investigations. Brokers vetting new carriers should pay attention to scores above 50%.
- Unsafe driving
- Speeding, reckless driving, improper lane changes, seatbelt violations. All based on what officers find during roadside inspections.
- HOS / Fatigue
- Hours-of-service violations, logbook problems, driving past the allowed limits. Fatigued driving is one of the top causes of truck crashes in the US.
- Driver fitness
- Licensing problems, expired medical certificates, and other driver qualification issues.
- Controlled substances
- Drug and alcohol testing violations, possession, or impairment.
- Vehicle maintenance
- Brake problems, tire issues, lighting defects, load securement failures. Caught during the vehicle portion of roadside inspections.
- Crash indicator
- Based on crash history from state-reported data. Higher percentile means more crashes relative to the carrier's size and mileage.
Inspections
2
Total
0%
Driver %
Insurance on file
Liability (BIPD)
NEW YORK MARINE & GENERAL INS. CO. — eff. Aug 1, 2025
Cargo
Not on file
Surety Bond
Not on file
Trust Fund
Not on file
Crash history
9
Total Crashes
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Frequently asked questions
Is DEE BUS SERVICE INC authorized to operate?
Yes. DEE BUS SERVICE INC (USDOT #18283) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is DEE BUS SERVICE INC's safety record?
Based on FMCSA data, DEE BUS SERVICE INC has no BASIC scores above the 75th percentile intervention threshold. They haven't received a formal FMCSA safety rating. 9 crashes on record.
How many trucks does DEE BUS SERVICE INC operate?
DEE BUS SERVICE INC operates 240 power units with 230 drivers on file. That puts them in the large carrier category by FMCSA standards.
Does DEE BUS SERVICE INC transport hazardous materials?
No. DEE BUS SERVICE INC does not have a hazardous materials flag in the FMCSA database.
Where is DEE BUS SERVICE INC located?
DEE BUS SERVICE INC is based in SHIRLEY, Massachusetts at 33 GREAT RD, 01464. Phone: (978) 425-4706.
What are DEE BUS SERVICE INC's out-of-service rates?
Their vehicle out-of-service rate is 0.0% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.