Shawn J Sylvester (DOT# 597426) – FMCSA Carrier Profile
doing business as SYLVESTER CONSTRUCTION LLC
DOT# 597426● Active
Updated monthly · 2026-03-09
This carrier is active. Review the inspection and crash data below.
Shawn J Sylvester is a registered motor carrier with the FMCSA under USDOT number 597426. The company operates from Conway, NH and maintains an active operating status with 2 power units and 1 drivers on record.
Safety Rating
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Company Information
Address23 Towle Rd, Conway, NH, 03818
Phone(603) 986-5424
Entity TypePrivate Property
OperationInterstate
Power Units2(Small carrier)
Drivers1
MCS-150 FiledDecember 31, 2025
Annual Mileage1,641 mi (2025)
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories0.0
Unsafe Driving
Measures violations related to speeding, reckless driving, and improper lane changes.
0.0
HOS Compliance
Tracks hours-of-service violations, including driving beyond legal limits without rest.
0.0
Driver Fitness
Reflects issues with driver qualifications, licenses, and medical certifications.
0.0
Controlled Substances
Captures drug and alcohol violations, including failed or refused tests.
0.0
Vehicle Maintenance
Reflects brake, tire, lighting, and other equipment-related inspection violations.
Scores above 65 (general freight) or 50 (passenger/hazmat) trigger an FMCSA Alert. Higher scores indicate more safety risk. National median is approximately 20–30 for active carriers.
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Carrier Insight
Shawn J Sylvester is a small motor carrier operating in New Hampshire.
Shawn J Sylvester has not received a formal safety rating from the FMCSA. This is common for smaller or newer carriers and does not necessarily indicate a safety problem.
The company operates 2 power units and employs 1 driver. This is a small carrier operation.
Frequently Asked Questions
What is USDOT Number 597426?
USDOT number 597426 is assigned to Shawn J Sylvester, an active motor carrier registered with the FMCSA, based in Conway, NH.
Where is Shawn J Sylvester located?
Shawn J Sylvester is headquartered at 23 Towle Rd, Conway, NH 03818.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 597426 · Last updated: 2026-03-09. View official FMCSA record →