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MAINLINE UNDERGROUND CORPORATION
DOT: 4270233 MC:
Common
Common carrier authority is inactive
Contract
Contract carrier authority is inactive
Broker
Broker authority is inactive

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5

Total
Trucks

4

Trucks
Inspections

5

Total
Drivers

4

Driver
Inspections

Company Information

Physical Address:

599 S Main St

Brighton, CO 80601

Mailing Address:

599 S Main St

Brighton, CO 80601

Email Address:

michelle.salas@szt-ml.com

Telephone:

Missing

Company Representative:

Missing

Authority Type:

Inactive

Inspections Map

0

Semi-trucks

2

Semi-trailers

4

Straight Trucks

2

Other Units

Inspections

Per State:

State

__

Inspections Recorded

4

Out of Service:

Trucks

2 (50.0%)

Drivers

0 (0.0%)

Crashes

0

CSA Basics:

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Measures unsafe driving behaviors like speeding and reckless driving
Measures violations of Hours of Service (HOS) rules
Measures violations of driver qualifications and fitness
Measures violations related to alcohol or drug use
Measures violations related to vehicle maintenance issues
Authority
0
Years
0
Months
0
Days

The carrier has established its authority on 07/08/2026