Iowa Driver's License Manual Practice Flashcards

A collection of vocabulary flashcards based on the Iowa Driver's License Manual, covering traffic signs, road rules, safety laws, and driving procedures.

Iowa Resident Definition

A person who has registered to vote in the state, enrolled a child in an Iowa public school, accepted a permanent job, lived in the state continuously for $30$ days, filed for a homestead or military tax exemption, or receives public assistance from the state of Iowa.

Standard Color: RED

Used for stop, yield, or to indicate that the driver must do what is shown on the sign.

Standard Color: GREEN

Indicates direction, showing where a place is or how far it is from the current location.

Standard Color: FLUORESCENT YELLOW-GREEN

Used specifically for pedestrian, bicycle, and school warning signs.

Standard Color: WHITE

Identifies regulatory information regarding enforceable laws and ordinances.

Standard Color: FLUORESCENT PINK

Warning and guide signs for incident management, such as crash clean up and debris removal.

Octagon Shape

A shape reserved exclusively for stop signs.

Pennant Shape

Located on the left side of the road to warn of a no passing zone.

Pentagon Shape

Used to mark school areas and school crossings.

Crossbuck

A railroad crossing sign placed at each crossing; a number sign below it indicates how many sets of tracks are present.

Emergency Notification System (ENS) Sign

A blue sign posted at railroad crossings providing a phone number and a unique crossing identification number to report stalled vehicles or malfunctioning signals.

Yield Sign

A sign indicating that a driver must slow down and yield the right of way to traffic in the intersection or roadway being entered.

Pedestrian Conveyance

Any human-powered device by which a pedestrian may move other than by walking, including wheelchairs, strollers, skateboards, and scooters.

Slow-Moving Vehicle Sign

A reflective orange triangle on the rear of a vehicle indicating it is traveling $35\,\text{mph}$ or less.

Steady Red Arrow

A signal indicating that drivers turning left or right must stop.

Flashing Yellow Arrow

Instructs drivers to yield to oncoming traffic and pedestrians before turning left with caution.

Passively Protected Railroad Crossing

A crossing marked only with a crossbuck and a stop or yield sign, lacking lights or gates.

Yield Lines

A row of solid white triangles pointing toward approaching vehicles indicating the point where vehicles should yield.

Shared Left-Turn Lane

A lane reserved for vehicles making left turns from either direction, marked by a solid yellow and dashed yellow line on each side.

Sharrows

Shared lane pavement markings that alert motorists to the presence of bicyclists and encourage safe passing.

Bicycle Boxes

Solid green pavement markings located adjacent to a crosswalk to allow bicyclists a safe way to turn at a signalized intersection.

Iowa’s Move Over or Slow Down Law

Requires motorists to change lanes or slow down when approaching stopped emergency, recovery, maintenance, or any vehicle displaying hazard lights.

Steer It-Clear It

An Iowa law requiring drivers involved in a crash with no injuries to move their operable vehicle out of driving lanes.

Minimum Headlight Visibility

Iowa law requires at least one red light on the back of a vehicle visible for at least $500\,\text{feet}$, and headlights to be used when visibility is $500\,\text{feet}$ or less.

Tire Tread Penny Test

A check where a penny is inserted into the tread head-first; if the tread does not reach the top of Lincoln's head, the tire is unsafe and should be replaced.

Seat Alignment for Airbag Safety

There should be at least $10\,\text{inches}$ between the steering wheel and the driver's chest.

No-Zones

The large blind spots around the front, back, and sides of large trucks where the truck driver cannot see other vehicles.

Three- to Four-Second Rule

A method to establish a safe following distance by counting seconds after the vehicle ahead passes a landmark.

Urban Interstate Highway Speed Limit

The general limit set at $60\,\text{mph}$ unless otherwise posted.

Iowa Law Signal Distance

Drivers must signal at least $100\,\text{feet}$ before a turn if the speed limit is $45\,\text{mph}$ or less, and at least $300\,\text{feet}$ if the speed limit is over $45\,\text{mph}$.

Operating While Intoxicated (OWI)

Operating a motor vehicle with a blood alcohol concentration (BAC) of $0.08$ or higher, or $0.02$ or higher for drivers under age $21$.

Drowsy Driving Impairment

Being awake for $18\,\text{hours}$ straight is as impairing as a blood alcohol concentration ($BAC$) of $0.08\,\text{percent}$.

Reduced-Conflict Intersection

A design where drivers on a side road turn right, merge, and then make a U-turn at a designated median opening to cross a four-lane highway.

Truck Apron

The area in a roundabout designed to accommodate the rear wheels of long vehicles such as semis or trailers.

Hydroplaning

A condition where a layer of water between the tires and the road reduces friction and results in loss of control.