CHP Cheat Sheet 2026

The 30 highest-yield CHP facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. When a CHP officer encounters a hazardous materials incident, the initial isolation perimeter should be established based on: → The Emergency Response Guidebook (ERG) recommended isolation distances
2. Under California's Basic Speed Law, a driver must never drive faster than: → What is safe for current conditions
3. Why does the CHP require ongoing physical fitness standards for sworn officers, not just applicants? → To ensure officers can safely perform their duties throughout their career
4. In California, the crime of 'battery' under Penal Code §242 is defined as: → Willful and unlawful use of force or violence upon another person
5. Which statement, if true, would most strongly support the conclusion that poor lighting causes accidents at a specific intersection? → Accident rates at the intersection drop significantly after streetlights are installed
6. Under California Vehicle Code, what is the speed limit in a residential district unless otherwise posted? → 25 mph
7. In California, what is the maximum speed limit in an alley? → 15 mph
8. A CHP applicant fails one component of the Physical Fitness Evaluation but passes the rest. What is the outcome? → The applicant fails overall because all components must be passed
9. Under CVC 24400, vehicle headlights must be turned on: → From 30 minutes after sunset to 30 minutes before sunrise
10. What does 'abuse of authority' mean in the context of CHP professional standards? → Using the power granted by law enforcement office for personal gain or to harm others
11. When should a CHP officer use a barrier device (CPR mask or face shield) during rescue breathing? → Always, to protect both the officer and the victim from disease transmission
12. An officer is offered a free meal by a restaurant owner who says 'officers eat free here.' Under CHP ethics policy, the officer should: → Decline and explain department gratuity policy
13. A CHP officer makes a lawful traffic stop and smells marijuana inside the vehicle. Under current California law, what does this odor alone establish? → Probable cause to search the entire vehicle and all containers within it
14. A group of friends is standing in a line. If Adam is to the left of Brian, and Brian is to the left of Charlie, which of the following statements is correct? → Brian is to the right of Adam.
15. An officer who uses their badge and authority to gain personal advantage in a non-law-enforcement situation is committing: → Color-of-law abuse
16. When investigating a collision involving a suspected DUI driver, when should field sobriety tests (FSTs) be administered? → After the scene is secure and immediate medical needs are addressed
17. In a CHP arrest report, the 'probable cause statement' must establish: → Specific articulable facts that led a reasonable officer to believe a crime was committed
18. Under what circumstances may a CHP officer use their badge or status to receive preferential treatment in a personal transaction? → Never — using official status for personal benefit is prohibited
19. An officer is asked by a supervisor to omit a key fact from an incident report to protect the department from liability. The officer should: → Refuse and document the request, reporting it if necessary
20. Under California law, what is required when a driver's view at a railroad crossing is obstructed? → Stop between 15 and 50 feet from the nearest rail and check
21. The 'exclusionary rule' established in Mapp v. Ohio applies to state law enforcement officers and means: → Evidence obtained through unlawful search or seizure cannot be used at trial
22. Which California Vehicle Code section makes it illegal for a person to drive with a BAC of 0.08% or higher? → CVC 23152(b)
23. What does a flashing yellow traffic signal indicate under California law? → Proceed with caution at reduced speed
24. Under California's hands-free cell phone law (CVC 23123), an adult driver may legally use a cell phone while driving only if: → The phone is mounted and operated in a hands-free, voice-activated mode
25. What does the coefficient of friction (drag factor) represent in accident reconstruction? → The resistance between tires and road surface used to calculate braking speed
26. An officer stops a vehicle and suspects the driver has an outstanding warrant but the computer system is slow. The officer should: → Detain the driver briefly for a reasonable time to complete the query
27. What is the purpose of the 'synopsis' section at the beginning of a CHP major incident report? → To provide a brief overview of the incident for quick reference
28. An officer learns that a fellow officer has been falsifying DUI test records. Who must the officer report this to? → Their immediate supervisor or Internal Affairs
29. Which of the following is the best logical conclusion from the statement: 'Most traffic accidents at this intersection occur between 4 PM and 6 PM'? → Increased patrol presence during 4–6 PM may reduce accidents
30. When a suspect invokes their right to counsel during a custodial interrogation, what must the officer do? → Stop all questioning immediately until an attorney is present or the suspect reinitiates