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Louisiana General Knowledge Test

You'll drive over the 18‑mile Atchafalaya Basin Bridge and past the Port of South Louisiana – this test gets you ready for those roads.

140

Questions

80%

To Pass

Minutes

140 questions · 60 min time limit · 80% to pass

Opens in a practice window — choose your mode inside.

Reviewed by Jack Mahana, CDL Instructor (13+ years)

Last verified: August 2026

All questions sourced from the official Louisiana CDL handbook and FMCSA regulations.

About the Louisiana General Knowledge Test

Louisiana's roads aren't like anywhere else. You'll haul loads through the Atchafalaya Basin on I‑10, dodge cane trucks on narrow bayou highways, and navigate New Orleans' tight streets. This test preps you for all of it. We built these 50 questions directly from the Louisiana CDL handbook.

Weather's a big deal here. Summer thunderstorms can turn I‑12 into a skating rink. Hurricane season means you might need to drive evacuation routes. Our questions cover how to handle those conditions safely.

The trucking industry drives Louisiana's economy. You'll move chemicals from Baton Rouge refineries, seafood from the coast, and building supplies across the state. Understanding air brakes, combination vehicles, and cargo securement isn't just for a test – it's for your daily job.

Take this practice test anywhere – on your phone at the Lafayette truck stop or at home. Each question shows the exact handbook section so you can review weak spots. Finish with an 80% or better, and you're ready for the real thing at the OMV.

Louisiana's commercial driving is shaped by the Gulf Coast petrochemical industry, the Port of New Orleans, and the I-10/I-12/I-20 corridors that cross the state. The state is a major hub for oil and gas refining, chemical manufacturing, and agricultural exports. Our general knowledge practice test mirrors the official Louisiana OMV CDL written exam.

Hazmat driving is a way of life here. The Mississippi River industrial corridor from Baton Rouge to New Orleans (known as 'Cancer Alley') is lined with refineries and chemical plants, generating constant tanker and hazmat truck traffic on I-10, US-61, and LA-1. The Louisiana Department of Transportation enforces strict hazmat routing through these corridors. The exam tests hazmat placarding, tanker driving, and emergency response awareness directly.

Topics Covered

✓Safe driving practices – handling Louisiana's two‑lane highways with no shoulder

✓Air brakes – common on the heavy rigs that haul sugar cane from the fields

✓Combination vehicles – hooking up trailers on the busy docks in New Orleans

✓Cargo securement – keeping chemicals and steel coils from shifting on I‑10

✓Transporting passengers – school buses and tour coaches in Baton Rouge traffic

✓Pre‑trip inspection – you'll inspect your rig under the Louisiana sun before every haul

Study Tips

Don't just read the handbook – take notes on the Louisiana‑specific rules. For example, you need to know the weight limits on parish roads and the special signs for the Causeway Bridge. Write down the numbers you'll need for the test.

Use the Official Louisiana CDL Handbook as your main study guide. Our practice test follows the same sections. After each quiz, review any question you missed. Do that a few times, and you'll walk into the OMV confident.

Louisiana Specific Information

You can take the General Knowledge test at any OMV office that offers CDL services. Major locations include Baton Rouge (3009 S Sherwood Forest Blvd), New Orleans (1001 Howard Ave), and Lafayette (2708 N University Ave). No appointment needed for the knowledge test – just walk in during business hours. Bring your driver's license, Social Security card, and proof of Louisiana residency.
The fee for a CDL learner's permit is $15. The skills test costs $55 if you use state equipment or free with your own truck and trailer. You'll also need a DOT medical card. Check the Real ID requirements if you want a compliant license.
The Louisiana Office of Motor Vehicles (OMV) requires a knowledge test for all CDL classes; the general knowledge exam is the foundation for every commercial license.
The I-10 corridor from Baton Rouge to New Orleans carries heavy tanker and hazmat traffic serving refineries and chemical plants.
The Port of New Orleans and the Port of South Louisiana handle bulk, container, and breakbulk cargo — drayage traffic is heavy on I-10 and US-61.
Hurricane season can require evacuation and road closures; the exam tests emergency routing and weather awareness.
Louisiana's low-lying coastal highways are prone to flooding during storms and high tides — never drive through flooded roads.

Frequently Asked Questions

Do I need a CDL to drive a farm vehicle in Louisiana?

Only if you drive a covered vehicle more than 150 miles from the farm. Short hauls on back roads usually don't require a CDL, but check the handbook for exact exemptions.

What are the vision requirements for a Louisiana CDL?

You need at least 20/40 in each eye (with or without correction) and a horizontal field of vision of 70 degrees. Color blindness doesn't automatically disqualify you, but you must be able to identify traffic signals.

How do I schedule a CDL skills test in Louisiana?

You schedule through a third‑party tester approved by the OMV. Find the list on the OMV website. You'll need your permit and a vehicle that passes inspection. Phone the tester directly – no online booking yet.

Can I take the CDL knowledge test online in Louisiana?

No. You must take it in person at any OMV office that offers CDL services. No appointment needed – just walk in. Bring your ID and pay the fee.

What's the fee for a Louisiana CDL learner's permit?

$15. That's for the permit itself. You'll also pay for the knowledge test – it's included in the permit fee. The skills test costs $55 if you use OMV equipment or free with your own truck and trailer.

Reviewed by Jack Mahana, CDL Instructor (13+ years)

Last verified: August 2026 · FMCSA-compliant content