Keystone Lines (DOT# 372135 · MC# 151558) – FMCSA Carrier Profile

DOT# 372135MC# 151558● Active
Updated monthly · 2026-03-09

This carrier is active with a Satisfactory safety rating.

Keystone Lines is a registered motor carrier with the FMCSA under USDOT number 372135. The company operates from Valparaiso, IN and maintains an active operating status with 48 power units and 41 drivers on record.

Safety Rating

FMCSA Safety Rating
Satisfactory
Rated: February 7, 2011

Keystone Lines holds a "Satisfactory" safety rating from the Federal Motor Carrier Safety Administration (FMCSA). This rating indicates that the carrier has been found to comply with federal safety regulations based on the most recent compliance review conducted by FMCSA. View official FMCSA record →

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Company Information

Address336 West Us Hwy 30 Suite 201, Valparaiso, IN, 46385
Phone(219) 476-1300
Entity TypeAuthorized For Hire
OperationInterstate
Power Units48(Medium carrier)
Drivers41
MCS-150 FiledMay 13, 2025
Annual Mileage1,779,679 mi (2024)
All carriers in IndianaCarriers in Valparaiso, IN

Inspection Summary

All-time Inspections
All-time
72
Total
17
OOS
0
Driver OOS
17
Vehicle OOS
72 inspections reflects moderate road activity.
OOS Rate23.61%
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 23.6% — above the national vehicle OOS average of ~21%. Review BASICS scores below.

Crash History

Crash Records
All-time
6
Total
0
Fatal
7
Injuries
0
Tow-Away
6 crashes on record. This is within a common range for active carriers — assess relative to fleet size and inspection volume.

BASICS Safety Scores

BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories
3.4
Unsafe Driving
Measures violations related to speeding, reckless driving, and improper lane changes.
0.9
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.
7.2
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

Keystone Lines is a medium-sized motor carrier operating in Indiana. With 72 total inspections on record, the carrier has an out-of-service rate of 23.6%, which exceeds the national average of approximately 21%. 6 crashes have been reported. Review crash details alongside fleet size and inspection history before making hiring decisions.

A Satisfactory rating from the FMCSA indicates that Keystone Lines meets federal safety standards based on the most recent compliance review. This is the highest rating a carrier can receive.

The company operates 48 power units and employs 41 drivers. This is a mid-sized operation relative to the broader carrier market.

Frequently Asked Questions

What is USDOT Number 372135?
USDOT number 372135 is assigned to Keystone Lines, an active motor carrier registered with the FMCSA, based in Valparaiso, IN.
What is the safety rating of Keystone Lines?
Keystone Lines has a safety rating of Satisfactory as of February 7, 2011.
How many inspections has Keystone Lines had?
Keystone Lines has recorded 72 total inspections with 17 out-of-service orders, representing an OOS rate of 23.61%.
Where is Keystone Lines located?
Keystone Lines is headquartered at 336 West Us Hwy 30 Suite 201, Valparaiso, IN 46385.
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.
What is the MC number for Keystone Lines?
The MC number for Keystone Lines is MC# 151558. The MC number is issued by the FMCSA and authorizes carriers to operate in interstate commerce.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 372135 · Last updated: 2026-03-09. View official FMCSA record →