Free Practice Questions for WA State Trooper
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Key Facts: WA State Trooper Exam
~50 items
Cognitive Ability Section
Public Safety Testing (GSI)
70%
Passing Score
Public Safety Testing
~3h 15m
Full Assessment Time
Public Safety Testing (GSI)
$65
Written Test Fee (1-2 agencies)
Public Safety Testing
19.5 yrs
Minimum Age
Washington State Patrol
Mar 2025
GSI Replaced LST
Public Safety Testing
The Washington State Patrol trooper written test is administered by Public Safety Testing and developed by I/O Solutions. Since March 1, 2025, the Guardian Selection Inventory (GSI) replaced the LST; its cognitive section has about 50 multiple-choice items and the full assessment runs about 3 hours 15 minutes. A passing score is 70%, and the written test fee is $65 for 1-2 agencies.
Sample WA State Trooper Practice Questions
Try these sample questions to review concepts for the WA State Trooper exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.
1Read the passage: "Troopers shall complete a collision report for any traffic crash that results in injury, death, or property damage of $1,000 or more. Crashes below this threshold may be documented at the trooper's discretion." Based on the passage, a trooper is REQUIRED to complete a collision report when:
2Read the passage: "Before transporting a detainee, the trooper must search the rear seat of the patrol vehicle, secure the detainee with a seat belt, and notify dispatch of the starting mileage and destination." According to the passage, which step is the trooper NOT required to perform before transport?
3Read the passage: "A driver who refuses a breath test is subject to an automatic license suspension under Washington's implied consent law. The refusal may also be used as evidence in a subsequent criminal trial." Which statement is supported by the passage?
4Read the passage: "Patrol shifts rotate on a four-week cycle. Troopers work seven consecutive day shifts, take two days off, then work seven consecutive night shifts, followed by four days off before the cycle repeats." How many total days off does a trooper get in one complete four-week cycle?
5Read the passage: "When responding to a domestic disturbance, troopers should approach without lights or sirens for the final block to avoid alerting involved parties, then position the patrol vehicle so it does not block other emergency responders." The main purpose of approaching without lights or sirens is to:
6Read the passage: "All evidence must be sealed in a tamper-evident bag, labeled with the case number and date, and logged into the evidence management system within 24 hours of collection." If a trooper collects evidence at 3:00 PM on Monday, the latest acceptable time to log it is:
7Read the passage: "The Washington State Patrol's primary mission on the highways is collision prevention through visible enforcement, public education, and rapid incident clearance." The passage suggests the WSP views collision prevention as:
8Read the passage: "A trooper may request a tow only after attempting to contact the registered owner. If the owner cannot be reached within 30 minutes and the vehicle obstructs traffic, the trooper may authorize an immediate tow." A trooper may authorize an immediate tow when:
9Read the passage: "Community trust is built over years through consistent, fair treatment but can be eroded in a single negative encounter that becomes public." The author's main point is that community trust is:
10Read the passage: "Radar units must be calibrated with two tuning forks at the start and end of each shift. A failed calibration invalidates all readings taken since the last successful calibration." If a unit passes calibration at shift start but fails at shift end, which readings are invalidated?
About the WA State Trooper Exam
The Washington State Patrol Trooper Cadet Written Examination is the entry-level cognitive-ability test for candidates seeking to become Washington State Troopers. It is administered by Public Safety Testing (PST) and developed by I/O Solutions. As of March 1, 2025, the Guardian Selection Inventory (GSI) replaced the older Law Enforcement Officer Selection Tool (LST); the cognitive section contains roughly 50 multiple-choice items measuring reading, deductive and inductive reasoning, information ordering, vocabulary, grammar, pattern recognition, and selective attention. A passing score is 70%, and the written test is one early step in a multi-stage process that also includes a Physical Ability Test, background investigation, polygraph, and medical and psychological evaluations.
Exam sponsor: Washington State Patrol; written test administered by Public Safety Testing (PST) and developed by I/O Solutions. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
100 questions
Time Limit
About 3 hours 15 minutes for the full Guardian Selection Inventory
Passing Score
70%
Exam / Certification Fees
$65 written test for 1-2 agencies (Public Safety Testing); fee waivers available for demonstrated need
Exam sponsor websiteReported exam pass rate: Not published. Public Safety Testing and the Washington State Patrol do not publish a single first-time pass-rate percentage for the trooper cadet written examination. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Our practice resources: topics covered
We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.
Reading Comprehension
Procedural and policy passages with fact-extraction, main-idea, and inference items
Deductive Reasoning
Applying stated rules and policies to scenarios to reach a logically valid conclusion
Inductive Reasoning
Pattern recognition, number and letter series, analogies, and hypotheses from observed data
Information Ordering
Sequencing events, prioritizing calls, and arranging procedural steps in correct order
Vocabulary
Synonyms, antonyms, and context-clue items using law-enforcement and general vocabulary
Grammar and Written Expression
Subject-verb agreement, punctuation, spelling, word choice, and clear report writing
Basic Math
Arithmetic, percentages, averages, elapsed time, and rate-distance-time word problems
Preparing for the WA State Trooper Exam
What You Need to Know
- Passing score: 70%
- Exam length: 100 questions
- Time limit: About 3 hours 15 minutes for the full Guardian Selection Inventory
- Exam / certification fees: $65 written test for 1-2 agencies (Public Safety Testing); fee waivers available for demonstrated need Official sources
Using Our Practice Resources
- Work through all 200 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
WA State Trooper: Suggested Study Strategy
Frequently Asked Questions
What is the Washington State Patrol trooper written exam?
It is the entry-level cognitive-ability test for trooper cadet applicants, administered by Public Safety Testing (PST) and developed by I/O Solutions. The cognitive section uses about 50 multiple-choice items covering reading, reasoning, information ordering, vocabulary, grammar, and math.
Who administers the exam?
Public Safety Testing (PST) administers the written test on behalf of the Washington State Patrol. The test itself was developed by I/O Solutions, and candidates schedule it through publicsafetytesting.com.
Did the exam change recently?
Yes. As of March 1, 2025, the Guardian Selection Inventory (GSI) replaced the Law Enforcement Officer Selection Tool (LST) for Public Safety Testing law enforcement and corrections applicants. The cognitive skills tested are largely the same, so LST cognitive prep still applies.
How much does the exam cost?
The Public Safety Testing written test fee is $65 when applying to one or two agencies, rising for additional agencies. Fee waivers are available for candidates with demonstrated financial hardship who apply in advance.
What score do I need to pass?
A passing score on the Public Safety Testing written exam is 70%. Final selection also depends on the Physical Ability Test and later stages of the hiring process.
What is the Physical Ability Test?
Trooper cadet applicants must pass a Physical Ability Test (PAT) of 20 push-ups in 90 seconds, 25 sit-ups in 90 seconds, and 35 squat thrusters in 3 minutes. The PAT must be completed within 90 days of the written exam.
Can I take the exam remotely?
The Washington State Patrol trooper process requires in-person testing through Public Safety Testing's approved testing centers, and the Physical Ability Test must be completed in person.
What comes after passing the written test?
After the written test and Physical Ability Test, candidates complete a Personal History Statement and proceed to a background investigation, polygraph, and medical and psychological evaluations before a conditional offer and academy training.