Iowa Permit Test: Road Signs Practice Questions

Correct answer: Incident management, like crash cleanup

Fluorescent pink is used for warning and guide signs in incident management, such as crash cleanup and debris removal.

Source: Chapter 2: Traffic Signs & Rules of the Road – 2.1 Traffic Signs

Correct answer: 35 mph or less

In Iowa, the slow-moving vehicle triangle means the vehicle travels 35 mph or less (farm, maintenance or horse-drawn).

Source: Chapter 2: Traffic Signs & Rules of the Road – 2.5 Slow-Moving Vehicle Sign

Correct answer: Miles from where the route entered the state

Mile markers show the number of miles from where the interstate entered the state and help give your exact location in an emergency.

Source: Chapter 2: Traffic Signs & Rules of the Road – 2.6 Guide Signs

Correct answer: Reporting problems, using the railroad's number and crossing ID

The blue ENS sign gives a phone number and a unique crossing ID to report stalled vehicles, bad signals or other hazards.

Source: Chapter 2: Traffic Signs & Rules of the Road – 2.2 Regulatory Signs

Correct answer: Get off the traveled lanes and turn around safely

You've entered a lane of oncoming traffic; remove your vehicle from the traveled road and turn around as quickly and safely as possible.

Source: Chapter 2: Traffic Signs & Rules of the Road – 2.2 Regulatory Signs

Correct answer: They may double

Stay alert and drive cautiously, as fines may double in work zones.

Source: Chapter 2: Traffic Signs & Rules of the Road – 2.11 Work Zones

Correct answer: Fluorescent yellow-green or orange

Flaggers should wear fluorescent yellow-green or orange vests, shirts or jackets and usually use stop/slow paddles.

Source: Chapter 2: Traffic Signs & Rules of the Road – 2.11 Work Zones

Correct answer: Check your brakes before going down

The hill sign warns the road goes downhill; check your brakes before going down.

Source: Chapter 2: Traffic Signs & Rules of the Road – 2.3 Warning Signs

Correct answer: Octagon

The octagon shape is reserved for the stop sign only.

Source: Chapter 2: Traffic Signs & Rules of the Road – 2.1 Traffic Signs