IA DMV Traffic Laws and Regulations 3

Question 1

In Iowa, what is the minimum following distance a driver should maintain behind another vehicle under normal conditions?

Accepted Answer

3-second rule

Answer

Iowa recommends at least a 3-second following distance under normal driving conditions to allow adequate stopping time.

Question 2

What does a solid white line between traffic lanes in Iowa indicate?

Accepted Answer

Lane changing is discouraged or prohibited

Answer

A solid white line indicates that lane changes are discouraged or prohibited in that area.

Question 3

In Iowa, a driver must signal before turning or changing lanes how many feet in advance?

Accepted Answer

100 feet

Answer

Iowa law requires drivers to signal at least 100 feet before turning or changing lanes.

Question 4

When driving in a roundabout in Iowa, who has the right-of-way?

Accepted Answer

Vehicles already circulating inside the roundabout

Answer

Vehicles already inside the roundabout have the right-of-way over vehicles entering.

Question 5

Under Iowa law, what is the speed limit in a school zone when children are present unless otherwise posted?

Accepted Answer

20 mph

Answer

The default speed limit in an Iowa school zone when children are present is 20 mph unless another limit is posted.

(IA DMV) Iowa Department of Motor Vehicle Practice Test