Mayfield Site Contractors INC Safety Record

DOT# 2144345 · King of Prussia, PA 19406 · 6102792000

B

Good safety record — scored 30/100. Below-average out-of-service rates and few crashes.

Last inspected 01/15/2026

Grade based on FMCSA inspection, crash, and violation data. See methodology →

Vehicle OOS Rate 0/30 pts
Driver OOS Rate 20/20 pts
Crash Rate 10/30 pts
Fatal Crash Penalty 0/20 pts

Lower scores are better. How is this calculated?

According to FMCSA records, Mayfield Site Contractors INC (DOT# 2144345) in King of Prussia, Pennsylvania has 10 inspections on record with 8 violations and a 0.0% vehicle out-of-service rate and 1 crash. Safety grade: B.

10 Inspections
0.0% Vehicle OOS Rate
1 Crashes
6 Power Units

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 Rate 0.0%
Carrier: 0.0% (0 of 10) National: 23.2%
Driver OOS Rate 10.0%
Carrier: 10.0% (1 of 10) National: 6.4%
70% OOS rate better than 70% of carriers in Pennsylvania
14% crash rate better than 14% of carriers in Pennsylvania

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.

8 total violations across 10 inspections
1 violations resulted in out-of-service orders (12%)
Unsafe Driving
6
Driver Fitness
2

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.

Level 3: 10 (100%)
Date State Level Veh OOS Drv OOS
01/15/2026 PA 3 0 0
07/28/2025 PA 3 0 0
04/30/2025 PA 3 0 0
03/26/2025 PA 3 0 1
03/18/2025 PA 3 0 0
01/13/2025 PA 3 0 0
11/13/2024 PA 3 0 0
03/27/2024 PA 3 0 0
09/27/2023 PA 3 0 0
08/24/2023 PA 3 0 0
1 injury crash
15-OCT-24 most recent crash on record
Date State Fatalities Injuries Tow-Aways
15-OCT-24 PA 0 1 0

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.

Power Units 6
Drivers 5
Fleet Size Small Fleet
Operation Type Interstate
Hazmat No
Operating Since 04/19/2011
MCS-150 Filed 20240523 0
Annual Mileage (MCS-150) 109,212
Address 596 Swedeland Road, King of Prussia, PA 19406