Louisiana DMV Practice Test 4 (2026)

Impaired driving law is strict in Louisiana, and this Louisiana DMV practice test makes the numbers stick so they never surprise you on the exam. This free Louisiana DMV practice test covers the 0.08 BAC limit for drivers 21 and older, the 0.04 limit for commercial drivers, and the tough 0.02 limit for anyone under 21. Your Louisiana OMV practice test also explains implied consent, meaning driving in Louisiana means you already agreed to chemical testing, plus the license suspensions and penalties that follow a refusal. Each Louisiana permit practice test item ties a rule to a real consequence.

How many questions are on the Louisiana permit test? Forty, and you need 80% (32 correct) to pass, per the Louisiana OMV and the Louisiana Driver's Guide. This LA permit test practice is free with no signup and gives plain-language reasons behind every alcohol and drug rule. The safest blood alcohol level behind the wheel is always zero, and this Louisiana DMV test 2026 prep reinforces that. Review this Louisiana DMV practice test before your 2026 appointment so the impaired-driving section is easy points.

Keep going:

• Louisiana DMV Practice Test 1
• Louisiana DMV Practice Test 2
• Louisiana DMV Practice Test 3
• Louisiana DMV Practice Test 5
• Louisiana DMV Written Test
• Louisiana Road Signs Practice Test
• Louisiana Defensive Driving Test
• Louisiana Parking Rules Test
• Louisiana DMV Points Test
• Louisiana DMV Practice Test

Every question traces back to the Louisiana Driver's Manual - skim the right-of-way and signs chapters before your retake.