US Iowa DMV Traffic Laws Test 1

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Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

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DMV Iowa — Traffic Laws DMV — Iowa (USA, State Traffic Law) USA — Iowa State DMV & FMCSA (MUTCD) — USA

What is this test? for Iowa DMV Traffic Laws permit/CDL, USA (MUTCD) — DMV — Iowa (USA, State Traffic Law) level, USA — Iowa.
Is this for you? For driver candidates in Iowa, USA — Traffic Laws permit/CDL (16+, State DMV)
Section: DMV Iowa — Traffic Laws · Education: High School & Adult (16+) · Part: DMV Iowa — Traffic Laws · Country: USA · Region: USA — Iowa

The DMV written test is an important step measuring driver candidates' knowledge of traffic laws, first aid, and vehicle technology.

This test reinforces your theoretical knowledge and provides the fundamentals needed to pass the exam and become a safe driver.

By solving this test of 20 questions, you can both test your knowledge and identify the topics you need to improve.

Question 1

In Iowa, what is the speed limit in a residential area unless posted?

A) 25 mph

B) 15 mph

C) 55 mph

D) 70 mph

Question 2

In Iowa, who goes first at a 4-way stop?

A) the biggest car

B) always the right car

C) the driver who arrived first

D) the fastest car

Question 3

In Iowa, what is the legal blood alcohol limit for drivers 21+?

A) 0.00% BAC

B) 0.10% BAC

C) 0.08% BAC

D) 0.05% BAC

Question 4

In Iowa, how far should you stay behind the car ahead (rule)?

A) 3-4 seconds of distance

B) 1 second

C) 10 feet

D) 1 car length

Question 5

In Iowa, what must you do for a stopped school bus with flashing reds?

A) stop in both directions (unless divided highway)

B) pass slowly

C) honk and pass

D) speed past

Question 6

In Iowa, when must headlights be on?

A) only on highways

B) only at midnight

C) half hour after sunset to half hour before sunrise (and in rain)

D) never in rain

Question 7

In Iowa, what does a flashing yellow light mean?

A) turn only

B) slow down and proceed with caution

C) stop fully

D) speed up

Question 8

In Iowa, what does a flashing red light mean?

A) stop, then go when safe (like a stop sign)

B) no stopping

C) go fast

D) yield only

Question 9

In Iowa, is it legal to turn right on red?

A) only at night

B) yes without stopping

C) never

D) yes, after a full stop unless signed otherwise

Question 10

In Iowa, what is tailgating?

A) using high beams

B) parking far

C) slow driving

D) following too closely (major crash cause)

Question 11

In Iowa, when must you wear a seatbelt?

A) only at night

B) never required

C) always, driver and passengers

D) only on highways

Question 12

In Iowa, what is the move-over law?

A) honk at police

B) drive faster past

C) no such law

D) move over or slow for stopped emergency vehicles

Question 13

In Iowa, how far ahead should you signal a turn?

A) at least 100 feet

B) 10 feet

C) 500 feet

D) no signal needed

Question 14

In Iowa, what does a solid double yellow line mean?

A) pass anytime

B) no passing from either side

C) HOV lane

D) bike lane

Question 15

In Iowa, what does a broken yellow line mean?

A) crosswalk

B) passing allowed when safe

C) never pass

D) stop line

Question 16

In Iowa, what is hydroplaning?

A) tires lose grip on wet roads

B) brake failure

C) engine flooding

D) tire pop

Question 17

In Iowa, what should you do if your car skids?

A) ease off gas, steer where you want to go

B) jerk wheel hard

C) slam brakes

D) close eyes

Question 18

In Iowa, what is the first thing to do in a crash?

A) move car to hide

B) stop, check injuries, call 911

C) drive away

D) argue first

Question 19

In Iowa, can you park in front of a fire hydrant?

A) yes briefly

B) yes at night

C) only Sundays

D) no, keep 15 feet clear

Question 20

In Iowa, what does a yellow diamond sign warn?

A) hospital near

B) hazards or changing road conditions ahead

C) stop now

D) speed up

US Iowa DMV Traffic Laws Test 1

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