New Jersey Speed Limits practice test

Practice limits and how to adjust your speed, with questions based on the New Jersey Driver Manual.

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Sample Speed Limits questions

What is a New Jersey Safe Corridor?

A walking route to school
A road with no speed limit
A highway where fines for many offenses are doubled
A lane reserved for buses

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A highway where fines for many offenses are doubled

Highways with high crash rates can be named Safe Corridors, where fines for speeding and other offenses double.

Source: New Jersey Driver Manual, Chapter 4, Speed Control, p. 62-64

What is the fastest a moped may legally go in New Jersey?

15 mph
35 mph
45 mph
25 mph

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25 mph

Moped riders may not exceed 25 mph and must ride with traffic on the right.

Source: New Jersey Driver Manual, Chapter 8, Mopeds, p. 150

What is the speed limit on a rural New Jersey road with no posted limit?

50 mph
55 mph
65 mph
40 mph

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50 mph

Non-posted rural roads have a 50 mph limit.

Source: New Jersey Driver Manual, Chapter 4, Speed Control, p. 62-64

What is the highest speed limit posted on certain New Jersey interstate highways?

55 mph
75 mph
65 mph
70 mph

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65 mph

Some interstates are posted at 65 mph; many highways are 55 mph.

Source: New Jersey Driver Manual, Chapter 4, Speed Control, p. 62-64

What happens to traffic fines in New Jersey road construction zones?

They stay the same
They are waived
They are cut in half
They are doubled

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They are doubled

Fines for moving violations double in highway work zones.

Source: New Jersey Driver Manual, Chapter 5, Construction Zones/Work Zones, p. 103

Unless another limit is posted, what is the speed limit in a New Jersey school zone?

20 mph
15 mph
35 mph
25 mph

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25 mph

School zones, business districts and residential districts default to 25 mph.

Source: New Jersey Driver Manual, Chapter 4, Speed Control, p. 62-64

How many points does New Jersey assess for driving 30 mph or more over the speed limit?

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Going 30 mph or more over the limit costs 5 points.

Source: New Jersey Driver Manual, Chapter 7, Moving Violation Point Chart, p. 138-140

Unless posted otherwise, what is the limit in New Jersey's suburban business and residential districts?

50 mph
45 mph
25 mph
35 mph

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35 mph

Suburban business and residential districts default to 35 mph.

Source: New Jersey Driver Manual, Chapter 4, Speed Control, p. 62-64

In a New Jersey 65 mph zone, when is a speeding fine doubled?

Only in the rain
When you go 10 mph or more over the limit
When you go 1 mph over the limit
Only at night

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When you go 10 mph or more over the limit

Exceeding the 65 mph limit by 10 mph or more doubles the fine.

Source: New Jersey Driver Manual, Chapter 4, Speed Control, p. 62-64

How many points does New Jersey assess for driving 15 to 29 mph over the speed limit?

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That range costs 4 points; 1 to 14 mph over costs 2 and 30 or more costs 5.

Source: New Jersey Driver Manual, Chapter 7, Moving Violation Point Chart, p. 138-140

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About these questions

We wrote these practice questions from the facts in the New Jersey Driver Manual (2026 edition (back cover code R0726), PDF modified 2026-09-23, read 2026-11-07 edition) and from official sources on road signs. Every answer links to its source, so you can check it and read more.

DMV Decoded is an independent guide, not a government agency. This practice test is not connected to the New Jersey Motor Vehicle Commission (MVC), and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.