According to FMCSA records, S1lk INC (DOT# 3972080) in Rockford, Illinois has 188 inspections on record with 202 violations and a 12.2% vehicle out-of-service rate and 2 crashes. Safety grade: C. Active common authority.
188Inspections
12.2%Vehicle OOS Rate
2Crashes
51Power Units
Out-of-Service Rates vs. National Average
An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.
Vehicle OOS Rate12.2%
Carrier: 12.2% (23 of 188)National: 23.2%
Driver OOS Rate14.9%
Carrier: 14.9% (28 of 188)National: 6.4%
54%OOS rate better than 54% of carriers in Illinois
40%crash rate better than 40% of carriers in Illinois
Violation Categories · 202 total violations
FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.
202total violations across 188 inspections
55violations resulted in out-of-service orders (27%)
Vehicle Maintenance
83
Unsafe Driving
73
Hours of Service
11
Driver Fitness
31
Other
4
Inspection History · 100 records
FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.
FMCSA operating authority permits interstate for-hire transportation. Carriers must maintain minimum insurance coverage levels to keep authority active. BIPD (bodily injury and property damage) insurance is required for all for-hire carriers.
MC/MX NumberMC1484557
Common AuthorityActive
Contract AuthorityN
Broker AuthorityN
BIPD InsuranceNot On File
Cargo InsuranceNot On File
Surety BondNot On File
Type
Insurer
Coverage
Effective
BIPD/Primary
State Nationalspecialty Insco/national Specia
$1,000
04/13/2026
BIPD/Primary
State Nationalspecialty Insco/national Specia
$1,000
01/07/2026
Fleet Profile
Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.