Highway Mail Company Safety Record

DOT# 304808 · Granger, IA 50109-0577 · 5152383341

A

Excellent safety record — scored 15/100 (lower is better). This carrier has one of the best inspection records on file.

Last inspected 03/10/2026

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

Vehicle OOS Rate 10/30 pts
Driver OOS Rate 0/20 pts
Crash Rate 5/30 pts
Fatal Crash Penalty 0/20 pts

Lower scores are better. How is this calculated?

According to FMCSA records, Highway Mail Company (DOT# 304808) in Granger, Iowa has 52 inspections on record with 70 violations and a 13.5% vehicle out-of-service rate and 2 crashes. Safety grade: A (excellent safety record). Inactive common authority.

52 Inspections
13.5% Vehicle OOS Rate
2 Crashes
22 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 13.5%
Carrier: 13.5% (7 of 52) National: 23.2%
Driver OOS Rate 1.9%
Carrier: 1.9% (1 of 52) National: 6.4%
44% OOS rate better than 44% of carriers in Iowa
20% crash rate better than 20% of carriers in Iowa

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.

70 total violations across 52 inspections
8 violations resulted in out-of-service orders (11%)
Vehicle Maintenance
17
Unsafe Driving
33
Hours of Service
19
Driver Fitness
1

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.

Inspected across 13 states
Level 1: 2 (4%) Level 2: 11 (21%) Level 3: 39 (75%)
Date State Level Veh OOS Drv OOS
03/10/2026 IN 3 0 1
02/09/2026 IA 3 0 0
01/29/2026 IL 2 0 0
01/27/2026 SD 3 0 0
01/12/2026 WI 3 0 0
11/26/2025 KS 2 0 0
11/07/2025 IN 3 0 0
10/27/2025 MN 3 0 0
10/07/2025 IA 3 0 0
09/30/2025 OK 3 0 0
1 injury crash
20-MAR-25 most recent crash on record
Date State Fatalities Injuries Tow-Aways
20-MAR-25 IA 0 0 0
05-JAN-25 MO 0 1 0

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 Number MC620731
Common Authority N
Contract Authority Active
Broker Authority N
BIPD Insurance Not On File
Cargo Insurance Not On File
Surety Bond Not On File
Type Insurer Coverage Effective
BIPD/Primary Zurich American Insurance Company $1,000 01/01/2011

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 22
Drivers 32
Fleet Size Small Fleet
Operation Type Interstate
Hazmat No
Operating Since 11/06/1987
MCS-150 Filed 20240513 1
Annual Mileage (MCS-150) 2,194,000
Address 18555 Y Avenue, Granger, IA 50109-0577