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Speed Limits
Louisiana Permit Test: Speed Limits Practice Questions
Posted and default limits, school zones and the basic speed law.
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Question 1
A frontal impact at 35 mph is how much more violent than one at 30 mph?
Ten percent more
About the same
Twice as violent
One-third more
Correct answer: One-third more
A frontal impact at 35 mph is one-third more violent than one at 30 mph.
Source: Chapter 6: Traffic Laws and Regulations – Speed
Question 2
What does Louisiana's General Speed Law require?
Drive 5 mph over to keep up with traffic
Only obey limits at night
Always drive at the posted limit
Never drive faster than is reasonable
Correct answer: Never drive faster than is reasonable
You must not drive at a speed greater than is reasonable for the area, road, traffic, light and weather.
Source: Chapter 6: Traffic Laws and Regulations – Speed
Question 3
What is the maximum speed limit on Louisiana interstates unless otherwise posted?
70 mph
65 mph
60 mph
75 mph on all of I-10
Correct answer: 70 mph
The maximum speed allowed on the interstate is 70 mph unless otherwise posted (75 on portions of I-49).
Source: Chapter 6: Traffic Laws and Regulations – Speed
Question 4
On portions of which Louisiana interstate is the speed limit 75 mph?
I-20
I-49
I-10
I-12 near Baton Rouge
Correct answer: I-49
The speed limit is 75 mph on portions of I-49.
Source: Chapter 6: Traffic Laws and Regulations – Speed
Question 5
When pulling or towing another motor vehicle in Louisiana, what is the speed limit?
55 mph
65 mph on interstates
45 mph
35 mph
Correct answer: 45 mph
When pulling or towing another motor vehicle the speed limit is 45 mph.
Source: Chapter 6: Traffic Laws and Regulations – Speed
Question 6
What is the maximum speed for school buses frequently stopping to load or unload children in Louisiana?
25 mph in all areas
35 mph
55 mph
45 mph
Correct answer: 35 mph
School buses are limited to 35 mph when frequently stopping to load or unload children.
Source: Chapter 10: General Information for Class D "Chauffeur's" License
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