BMV Speed Limits and Following Distance

Question 1

What is the typical default speed limit in an urban/residential area in most U.S. states when no posted sign is present?

Accepted Answer

25 mph

Answer

Most states set a default speed limit of 25 mph in residential and urban areas when no sign is posted.

Question 2

What is the standard maximum speed limit on most interstate highways in the United States?

Accepted Answer

70 mph

Answer

70 mph is the most common posted maximum on U.S. interstate highways, though it varies by state.

Question 3

The 'two-second rule' is used to maintain a safe following distance. How is it applied?

Accepted Answer

Count two seconds from when the car ahead passes a fixed point until you pass it

Answer

You pick a fixed roadside marker, count two seconds after the car ahead passes it, and ensure you reach it no sooner.

Question 4

Under wet or slippery road conditions, how should you adjust your following distance?

Accepted Answer

Double it to at least four seconds

Answer

Wet roads increase stopping distance, so doubling the following distance to four seconds provides a safe buffer.

Question 5

In a school zone with children present, what speed limit is most commonly posted?

Accepted Answer

25 mph

Answer

Most school zones require drivers to slow to 25 mph when children are present or during school hours.

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