DOT Numbers For My Truck.

CDL:

Commercial Driver's License (CDL)

A CDL is required to drive any of the following vehicles:

• Any combination of vehicles with a gross combined weight rating (GCWR) of 26,001 or more pounds, providing the gross vehicle weight rating (GVWR) of the vehicle being towed is in excess of 10,000 pounds.
• Any single vehicle with a GVWR of 26,001 or more pounds, or any such vehicle towing another not in excess of 10,000 pounds.
• Any vehicle, regardless of size, designed to transport 16 or more persons, including the driver.
• Any vehicle required by federal regulations to be placarded while transporting hazardous materials.

DOT:

Department Of Transportation

A department of the federal executive branch responsible for the national highways and for railroad and airline safety. It also manages Amtrak, the national railroad system, and the Coast Guard.

State and Federal DOT Officers are responsible for commercial vehicle enforcement. "The truck police" you could call them.

OOS:

When a violation by either a driver or company is confirmed, an out-of-service order removes either the driver or the vehicle from the roadway until the violation is corrected.

OOIDA:

Owner-Operator Independent Drivers Association

Who They Are

OOIDA is an international trade association representing the interests of independent owner-operators and professional drivers on all issues that affect truckers. The over 150,000 members of OOIDA are men and women in all 50 states and Canada who collectively own and/or operate more than 240,000 individual heavy-duty trucks and small truck fleets.

Their Mission

The mission of OOIDA is to serve owner-operators, small fleets and professional truckers; to work for a business climate where truckers are treated equally and fairly; to promote highway safety and responsibility among all highway users; and to promote a better business climate and efficiency for all truck operators.